Manual For The 62404 9 Gal. 212cc 135 PSI Wheelbarrow Air Compressor EPA III

User Manual: Manual for the 62404 9 gal. 212cc 135 PSI Wheelbarrow Air Compressor EPA III 9 gal. 212cc 135 PSI Wheelbarrow Air Compressor EPA III

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Page Count: 44

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Owner’s Manual & Safety Instructions

Save This Manual%Keep this manual for the safety warnings and precautions, assembly,

operating, inspection, maintenance and cleaning procedures. Write the product’s serial number in the

back of the manual near the assembly diagram (or month and year of purchase if product has no number).

Keep this manual and the receipt in a safe and dry place for future reference.

When unpacking, make sure that the product is intact

and undamaged. If any parts are missing or broken,

please call 1-888-866-5797 as soon as possible.

No portion of this manual or any artwork contained herein may be reproduced in

any shape or form without the express written consent of Harbor Freight Tools.

Diagrams within this manual may not be drawn proportionally. Due to continuing

improvements, actual product may differ slightly from the product described herein.

Tools required for assembly an d se rv ic e may n ot b e in cl uded.

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ITEM 62404

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Safety ........................................................................2

Specifications ............................................................5

Setup .........................................................................6

Operation ..................................................................10

Maintenance .............................................................14

Parts List and Diagram .............................................18

Warranty ...................................................................20

Y=I>@>Z%FBD[CAF%=>L%L6K@>@E@C>F

This is the safety alert symbol. It is used to alert you to potential personal injury hazards.

Obey all safety messages that follow this symbol to avoid possible injury or death.

Indicates a hazardous situation which, if not avoided,

will result in death or serious injury.

Indicates a hazardous situation which, if not avoided,

could result in death or serious injury.

Indicates a hazardous situation which, if not avoided,

could result in minor or moderate injury.

Addresses practices not related to personal injury.

FH5+&7 X(&/*($H%&(%F$,$*5*8$

IXD Revolutions Per Minute

OX Horsepower

WARNING marking concerning Risk

of Eye Injury. Wear ANSI-approved

safety goggles with side shields.

FH5+&7 X(&/*($H%&(%F$,$*5*8$

WARNING marking concerning

Risk of Respiratory Injury.

Operate engine OUTSIDE and far away

from windows, doors, and vents.

WARNING marking concerning

Risk of Explosion.

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Failure to follow the warnings and instructions may result in electric shock, fire and/or serious injury.

F,M*%,77%),(8"83#%,89%"8#$('4$"&8#%2&(%2'$'(*%(*2*(*84*1

The warnings, precautions, and instructions discussed in this instruction manual cannot cover all possible

conditions and situations that may occur. It must be understood by the operator that common sense

and caution are factors which cannot be built into this product, but must be supplied by the operator.

F*$%'/%X(*4,'$"&8#

1. Gasoline fuel and fumes are flammable, and

potentially explosive. Use proper fuel storage

and handling procedures. Do not store fuel

or other flammable materials nearby.

2. Have multiple ABC class fire extinguishers nearby.

3. Operation of this equipment may create sparks

that can start fires around dry vegetation. A spark

arrestor may be required. The operator should

contact local fire agencies for laws or regulations

relating to fire prevention requirements.

4. Set up and use only on a flat, level,

well-ventilated surface.

5. Use only lubricants and fuel recommended

in the engine manual or in the

Specifications chart of this manual.

6. Wear ANSI-approved safety goggles, heavy-duty

work gloves, and dust mask/respirator during set up.

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ITEM 62404

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Follow engine precautions and instructions in the included engine instruction manual.

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1. <=I[C>%DC>C\@L6%O=]=IL%

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BC;%@>%D@>;E6F1%

Engine exhaust contains carbon

monoxide. This is a poison you cannot see or smell.

NEVER use inside a home or garage, EVEN IF

doors and windows are open.

Only use OUTSIDE and far away from windows,

doors, and vents.

2. Keep children away from the equipment,

especially while it is operating.

3. Fire Hazard! Do not fill gas tank while

Compressor engine is running. Do not

operate if gasoline has been spilled. Clean

spilled gasoline before starting engine. Do

not operate near pilot light or open flame.

4. Do not touch Compressor engine during

use. Let engine cool down after use.

5. Never store fuel or other flammable

materials near the Compressor engine.

6. Only use a suitable means of transport and

lifting devices with sufficient weight bearing

capacity when transporting the Compressor.

7. Secure the Compressor on transport vehicles to

prevent the tool from rolling, slipping, and tilting.

8. Industrial applications must follow

OSHA requirements.

9. Do not leave the equipment unattended when it is

running. Turn off the equipment (and remove safety

keys, if available) before leaving the work area.

10. Wear ANSI-approved safety glasses, hearing

protection, and NIOSH-approved dust mask/

respirator under a full face shield along

with steel-toed work boots during use.

11. People with pacemakers should consult their

physician(s) before use. Electromagnetic fields

in close proximity to a heart pacemaker could

cause pacemaker interference or pacemaker

failure. Caution is necessary when near

the engine’s magneto or recoil starter.

12. Use only accessories that are recommended

by Harbor Freight Tools for your model.

Accessories that may be suitable for one

piece of equipment may become hazardous

when used on another piece of equipment.

13. Do not operate in explosive atmospheres,

such as in the presence of flammable

liquids, gases, or dust. Gasoline-powered

engines may ignite the dust or fumes.

14. Stay alert, watch what you are doing and

use common sense when operating this

piece of equipment. Do not use this piece

of equipment while tired or under the

influence of drugs, alcohol or medication.

15. Do not overreach. Keep proper footing and

balance at all times. This enables better control

of the equipment in unexpected situations.

16. Dress properly. Do not wear loose clothing or

jewelry. Keep hair, clothing and gloves away

from moving parts. Loose clothes, jewelry or

long hair can be caught in moving parts.

17. Parts, especially exhaust system components,

get very hot during use. Stay clear of hot parts.

18. Do not cover the engine or

equipment during operation.

19. Keep the equipment, engine, and

surrounding area clean at all times.

20. Use the equipment, accessories, etc., in

accordance with these instructions and in the

manner intended for the particular type of

equipment, taking into account the working

conditions and the work to be performed. Use of

the equipment for operations different from those

intended could result in a hazardous situation.

21. Do not operate the equipment with known

leaks in the engine’s fuel system.

22. WARNING: This product contains or, when

used, produces a chemical known to the State

of California to cause cancer and birth defects

or other reproductive harm. (California Health

& Safety Code § 25249.5, et seq.)

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ITEM 62404

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23. WARNING: The brass components of this product

contain lead, a chemical known to the State

of California to cause cancer and birth defects

or other reproductive harm. (California Health

& Safety Code § 25249.5, et seq.)

24. When spills of fuel or oil occur, they must be

cleaned up immediately. Dispose of fluids and

cleaning materials as per any local, state, or

federal codes and regulations. Store oil rags in

a bottom-ventilated, covered, metal container.

25. Keep hands and feet away from moving parts. Do

not reach over or across equipment while operating.

26. Before use, check for misalignment or binding

of moving parts, breakage of parts, and any

other condition that may affect the equipment’s

operation. @2%9,5,3*9J%.,M*%$.*%*R'"/5*8$%

#*(M"4*9%+*2&(*%'#"831 Many accidents are

caused by poorly maintained equipment.

27. Use the correct equipment for the application.

Do not modify the equipment and do not use the

equipment for a purpose for which it is not intended.

F*(M"4*%X(*4,'$"&8#

1. [*2&(*%#*(M"4*J%5,"8$*8,84*J%&(%47*,8"83-

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2. Keep all safety guards in place and in

proper working order. Safety guards include

muffler, air cleaner, mechanical guards,

and heat shields, among other guards.

3. L&%8&$%,7$*(%&(%,9N'#$%,8H%/,($%&2%$.*%

*R'"/5*8$%&(%"$#%*83"8*%$.,$%"#%#*,7*9%+H%$.*%

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4. Wear ANSI-approved safety goggles,

heavy-duty work gloves, and dust

mask/respirator during service.

5. Maintain labels and nameplates on

the equipment. These carry important

information. If unreadable or missing, contact

Harbor Freight Tools for a replacement.

6. Have the equipment serviced by a qualified repair

person using only identical replacement parts.

This will ensure that the safety of the equipment

is maintained. Do not attempt any service or

maintenance procedures not explained in this

manual or any procedures that you are uncertain

about your ability to perform safely or correctly.

7. Store equipment out of the reach of children.

8. Follow scheduled engine and

equipment maintenance.

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1. Risk of fire or explosion - Do not spray flammable

liquid in a confined area or towards a hot surface.

Spray area must be well-ventilated. Do not

smoke while spraying or spray where spark or

flame is present. Arcing parts - Keep compressor

at least 20 feet away from explosive vapors,

such as when spraying with a spray gun.

2. Risk of bursting - Do not adjust regulator higher

than maximum stated pressure of attachment.

3. Risk of injury - Do not direct air

stream at people or animals.

4. Do not use to supply breathing air.

5. Do not use the air hose to move the compressor.

6. Drain Tanks daily and after use. Internal

rust causes tank failure and explosion.

7. =99%4&((*4$%,5&'8$%&2%4&5/(*##&(%&"7%+*2&(*%

2"(#$%'#*%,89%*M*(H%'#*1%C/*(,$"83%)"$.%$.*%

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8. Compressor head gets hot during operation.

Do not touch it or allow children nearby

during or immediately following operation.

9. Release the pressure in the storage

tanks before moving.

10. The use of accessories or attachments not

recommended by the manufacturer may

result in a risk of injury to persons.

11. All air line components, including hoses, pipe,

connectors, filters, etc., must be rated for a minimum

working pressure of 125 PSI, or 150% of the

maximum system pressure, whichever is greater.

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ITEM 62404

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Air Outlet Size 2 Male 1/4" -18 NPT

Air Pressure Auto Shut-Off @ 135 PSI

Restart @ 105 PSI

Air Tank Capacity 9 Gallons

Air Flow Capacity 9 CFM @ 90 PSI

11 CFM @ 40 PSI

Compressor Oil

Capacity 27 oz. (0.8L)

Compressor Oil Type

SAE 30W non-detergent

Air Compressor Oil

(Item 68097, sold separately)

Required Rotation

viewed from PTO

(power takeoff - the output shaft)

Counterclockwise

Required Engine

Idle Speed 2260 RPM ± 100 RPM

Note: Engine specifications are found in the engine manual supplied with this equipment.

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1. [*7$%Z',(9 - The Belt Guard encloses the pulleys and drive belts.

It protects the user from the moving parts and allows the

large pulley to direct cooling air to the Air Pump.

2. C"7%F"3.$%Z7,##%S%The oil sight glass shows proper level of

the oil. Oil level should be at center of Sight Glass.

3. E,8`%L(,"8%!,7M*#%S The Air Tank Drain Valves allow moisture

to be removed from the tanks to prevent corrosion.

4. F,2*$H%!,7M*%S The Safety Valve automatically releases air if the Air

Tank pressure exceeds the preset maximum. In an emergency, the

ring can be pulled to relieve tank air pressure. There is one safety

valve on the pump and one on the pneumatic assembly.

5. ="(%C'$7*$%S An air hose attaches to this valve.

Air pressure required by tools is set by an air pressure regulator.

6. ="(%F$&(,3*%E,8`#%S The Air Tanks are where air

pressurized by the Air Pump is stored for use.

7. E,8`%X(*##'(*%Z,'3*%S The Air Tank Pressure

Gauge displays the air pressure in the tank.

8. X"7&$%!,7M*%S Open the Pilot Valve before starting the engine.

It relieves resistance on the engine to make starting possible.

Rotate the pin so it is vertical to open it. Once the engine is running,

close the Pilot Valve so the Compressor can build up pressure.

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Page 6 K&(%4&5/(*##&(%$*4.8"4,7%R'*#$"&8#J%/7*,#*%4,77%PSTTTSTQQSUVWV1%

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ITEM 62404

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F*$'/

The emission control system for this Compressor’s Engine is warranted for standards set by the U.S. Environmental

Protection Agency and by the California Air Resources Board (also known as CARB). For warranty information,

refer to the engine manual.

@8#$,77%$.*%Y.**7

1. Position an Axle Washer on each

side of the Tire (57).

2. Slide the Front Axle through the

Axle Washers and Wheel.

3. Attach the Axle and Wheel Assembly

to the frame. Tighten securely.

4. Check the Wheel for proper function.

5. Check the Wheel air pressure, and

fill to no more than 36 PSI.

@8#$,77%$.*%O,897*#

1. Insert each of the two Handles into the Handle

Brackets on the side of each Air Tank.

2. Secure each Handle in place using

Bolt (72), Washers. Tighten securely.

3. Install the Handle Grips (76) on each Handle.

4. Recheck all bolts and fasteners

periodically during work to ensure the

assembly remains secure and safe.

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To install the Air Filter (23), fit the Filter Connecting

Tube (24) into the Filter. Keeping the Seal (25)

between them, slide the assembly into the hole on

the side of the Cylinder Cap (35). Secure in place

with two Screws (22). See Figure A.

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ITEM 62404

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Break in the new Air Compressor as follows:

a. Make sure the engine is off. Open the air outlet

valve. If the air outlet has a quick coupler

valve, insert a male coupler into it to open it.

b. Check all fluid levels in the engine and pump.

c. Start the engine following the

General Operating Instructions.

d. Let the unit run for 30 minutes. Air will

expel freely through the Coupler.

e. Turn OFF the engine.

f. Remove the male coupler.

<&88*4$"&8

1. Connect a regulator valve, an in-line shut off valve

and a 1/2″ NPT air hose (all sold separately) to

the Quick Coupler. The air hose must be long

enough to reach the work area with enough extra

length to allow free movement while working.

>&$*- =8%"8S7"8*%#.'$&22%+,77%M,7M*%"#%,8%"5/&($,8$%

#,2*$H%9*M"4*%+*4,'#*%"$%4&8$(&7#%$.*%,"(%#'//7H%*M*8%

"2%$.*%,"(%.&#*%"#%('/$'(*91%%E.*%#.'$&22%M,7M*%#.&'79%

+*%,%+,77%M,7M*%+*4,'#*%"$%4,8%+*%47&#*9%R'"4`7H1

2. Depending on the tool which you will be

using with this compressor, you may need

to incorporate additional components, such

as an in-line oiler, a filter, or a dryer (all

sold separately). Consult your air tool’s manual

for needed accessories. See Typical Air

Line Setup charts on the following pages.

This is a truckbed compressor, so use

the portable setup as a model.

Page 8 K&(%4&5/(*##&(%$*4.8"4,7%R'*#$"&8#J%/7*,#*%4,77%PSTTTSTQQSUVWV1%

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ITEM 62404

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E H

Non-lubricated

Tools

Lubricated

Tools

L*#4("/$"&8 K'84$"&8

A Air Hose Connects air to tool

B Filter Prevents dirt and condensation from damaging tool or work piece

C Regulator Adjusts air pressure to tool

D Lubricator (optional) For air tool lubrication

E Coupler and Plug Provides quick connection and release

F Leader Hose (optional) Increases coupler life

G Air Cleaner / Dryer (optional) Prevents water vapor from damaging work piece

H Air Adjusting Valve (optional) For fine tuning airflow at tool

Page 9K&(%4&5/(*##&(%$*4.8"4,7%R'*#$"&8#J%/7*,#*%4,77%PSTTTSTQQSUVWV1%

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ITEM 62404

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Non-lubricated

Tools

Lubricated

Tools

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Slope

B B

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A Vibration Pads For noise and vibration reduction

B Anchor Bolts Secures air compressor in place

C Ball Valve Isolates sections of system for maintenance

D Isolation Hose For vibration reduction

EMain Air Line - 3/4″ minimum recommended Distributes air to branch lines

F Ball Valve To drain moisture from system

GBranch Air Line -1/2″ minimum recommended Brings air to point of use

H Air Hose Connects air to tool

I Filter Prevents dirt and condensation from damaging tool or work piece

J Regulator Adjusts air pressure to tool

K Lubricator (optional) For air tool lubrication

L Coupler and Plug Provides quick connection and release

M Leader Hose (optional) Increases coupler life

N Air Cleaner / Dryer (optional) Prevents water vapor from damaging work piece

O Air Adjusting Valve (optional) For fine tuning airflow at tool

Page 10 K&(%4&5/(*##&(%$*4.8"4,7%R'*#$"&8#J%/7*,#*%4,77%PSTTTSTQQSUVWV1%

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ITEM 62404

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;#"83%$.*%<&5/(*##&(

Inspect Compressor, engine, pump and equipment looking for damaged, loose, and missing parts

before set up and starting. If any problems are found, do not use equipment until fixed properly.

>&$*- At the beginning of the day’s first use of the Air Compressor, check for air leaks by applying soapy water to

connections while the Air Compressor is pumping and after pressure cut-out. Look for air bubbles. If air bubbles

are present at connections, tighten connections. Do not use the air compressor unless all connections are air tight.

The extra air leaking out will cause the compressor to operate too often, increasing wear on the compressor.

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c. @8#/*4$%,77%4&5/&8*8$#%&2%$.*%#*$'/1%D,`*%#'(*%,77%8'$#%,89%+&7$#%,(*%$"3.$1

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e. K"77%$.*%<&5/(*##&(%X'5/%)"$.%4&5/(*##&(%&"7%2&77&)"83%

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E&%F$,($%,89%;#*%$.*%<&5/(*##&(

1. Close the Drain Valves by turning the levers up

so that they are perpendicular to the valve.

2. Open the Pilot Valve by rotating it to a vertical position.

3. Open the Fuel Valve.

Page 11K&(%4&5/(*##&(%$*4.8"4,7%R'*#$"&8#J%/7*,#*%4,77%PSTTTSTQQSUVWV1%

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ITEM 62404

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4. To start a cold engine, move the Choke to the CHOKE

(start/closed) position.

To restart a warm engine, leave the

Choke in the RUN position.

5. Turn the Engine Switch to ON.

6. Grip the Starter Handle of the Engine loosely and pull

it slowly several times to allow the gasoline to flow into

the Engine’s carburetor. Then pull the Starter Handle

gently until resistance is felt. Allow Cable to retract fully

and then pull it quickly. Repeat until the engine starts.

>&$*- Do not let the Starter Handle snap back against the

engine. Hold it as it recoils so it doesn't hit the engine.

>&$*- If engine does not start, check engine oil. Engine

will not start with low or no engine oil.

7. Allow the Engine to run for several seconds.

Then, if the Choke lever is in the CHOKE position,

move the Choke Lever very slowly to its RUN position.

>&$*- Moving the Choke Lever too fast could kill the engine.

8. Close the Pilot Valve by rotating

it to a horizontal position.

CKK

;#"83%$.*%<&5/(*##&(%a4&8$b9c

Page 12 K&(%4&5/(*##&(%$*4.8"4,7%R'*#$"&8#J%/7*,#*%4,77%PSTTTSTQQSUVWV1%

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9. When the Gas Engine is started and running, the

compressor Pump starts compressing air into

the Air Tank. Open the in-line Shutoff Valve and

adjust the Pressure Regulator (sold separately)

so that the air output is enough to properly

power the tool, but the output will not exceed the

tool’s maximum air pressure at any time. Turn

the knob clockwise to increase the pressure

and counterclockwise to decrease pressure.

Adjust the pressure gradually, while checking

the air output gauge to set the pressure.

@DXCIE=>E- Allow the engine to run for five minutes with no load

after each start-up so that the engine can stabilize.

10. Adjust the Throttle as needed.

11. [(*,`S"8%X*("&9-

a. Breaking-in the engine will help to ensure proper equipment and engine operation.

b. The operational break-in period will last about 3 hours of use. During this period:

• Do not apply a heavy load to the equipment.

• Do not operate the engine at its maximum speed.

c. The maintenance break-in period will last about 20 hours of use. After this period:

• Change the engine oil.

Under normal operating conditions subsequent maintenance follows the schedule

explained in the MAINTENANCE AND SERVICING section.

>&$*-%When maximum tank pressure is reached, the compressor automatically disengages, and the engine

RPM drops down to idle speed. The engine remains at idle until Air Tank pressure falls to a preset level.

The Gas Engine will then accelerate and air pressure once again begins to build up in the Air Tank.

>&$*-%As long as the engine is running, the operation of the Air Compressor

is automatic, controlled by an internal pressure switch.

@DXCIE=>E- The internal pressure switch is not user adjustable; 9&%8&$%5,`*%4.,83*#%$&%$.*%

,"(%/(*##'(*%#*$$"83#%&2%$.*%"8$*(8,7%/(*##'(*%#)"$4.1%%Any change to the automatic pressure

levels may cause excess pressure to accumulate, causing a hazardous situation.

>&$*-%L*/(*##'("i,$"&8%S%If it is necessary to quickly depressurize the Compressor, turn OFF the engine.

Then, pull on the ring on the tank Safety Valve to release stored air pressure.

12. Use the air tool as needed.

;#"83%$.*%<&5/(*##&(%a4&8$b9c

Page 13K&(%4&5/(*##&(%$*4.8"4,7%R'*#$"&8#J%/7*,#*%4,77%PSTTTSTQQSUVWV1%

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ITEM 62404

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13. To stop the engine in an emergency,

turn the Engine Switch off.

Under normal conditions, use the following procedure:

a. Slide the Throttle or Speed Control

Lever to SLOW (the “turtle”).

b. Turn the Engine Switch off.

c. Close the Fuel Valve.

Y=I>@>Zj%%E.*%2'*7%M,7M*%5'#$%+*%47&#*9%+*2&(*%5&M"83%

$.*%*83"8*%$&%/(*M*8$%2'*7%7*,`,3*%,89%2"(*1

14. Bleed air from the tool, then disconnect the tool.

15. Open the Drain Valve at the bottom of the Tank,

to release any built-up moisture

and the internal tank pressure.

16. Clean, then store the Air Compressor indoors.

11 C@

CKK

;#"83%$.*%<&5/(*##&(%a4&8$b9c

Page 14 K&(%4&5/(*##&(%$*4.8"4,7%R'*#$"&8#J%/7*,#*%4,77%PSTTTSTQQSUVWV1%

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/(*##'(*J%),"$%2&(%$.*%*83"8*%$&%4&&7J%,89%9"#4&88*4$%$.*%#/,(`%/7'3%4,/%+*2&(*%

/*(2&(5"83%,8H%"8#/*4$"&8J%5,"8$*8,84*J%&(%47*,8"83%/(&4*9'(*#1

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L&%8&$%'#*%9,5,3*9%*R'"/5*8$1%%@2%,+8&(5,7%8&"#*J%M"+(,$"&8J%&(%*G4*##%

#5&`"83%&44'(#J%.,M*%$.*%/(&+7*5%4&((*4$*9%+*2&(*%2'($.*(%'#*1

K&77&)%,77%#*(M"4*%"8#$('4$"&8#%"8%$."#%5,8',71%%E.*%*83"8*%5,H%2,"7%4("$"4,77H%"2%8&$%#*(M"4*9%/(&/*(7H1

D,8H%5,"8$*8,84*%/(&4*9'(*#J%"847'9"83%,8H%8&$%9*$,"7*9%"8%$."#%5,8',7J%)"77%8**9%$&%+*%/*(2&(5*9%

+H%,%R',7"2"*9%$*4.8"4",8%2&(%#,2*$H1%%@2%H&'%.,M*%,8H%9&'+$#%,+&'$%H&'(%,+"7"$H%$&%#,2*7H%#*(M"4*%$.*%

*R'"/5*8$%&(%*83"8*J%.,M*%,%R',7"2"*9%$*4.8"4",8%#*(M"4*%$.*%*R'"/5*8$%"8#$*,91

<&5/(*##&(%X'5/%C"7%D,"8$*8,84*

Check oil periodically for clarity. Replace oil if it appears milky or if debris is present, or

every 6 months, or 100 hours of runtime, whichever comes first. In harsh environments such

as high heat or high humidity, you will need to replace the oil more frequently.

<.,83*%$.*%4&5/(*##&(%&"7%,2$*(%$.*%2"(#$%.&'(%&2%'#*%$&%(*5&M*%,8H%9*+("#1

=99"83%C"7

1. The oil level should be at the center of the “full”

level on the Oil Sight Glass, as shown above. Add

oil as needed to maintain this level. Do not let the

oil level go below the center dot (LOW as shown

above) and do not overfill the oil so that it is above

the center dot (OVERFILL as shown above) on the

Oil Sight Glass. See “Figure D” on page 14.

C"7%F"3.$%

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2. To add oil:

a. Remove the Oil Breather (55).

b. Using a funnel to avoid spills, pour enough

oil into the pump Crankcase to reach

the “full” level in the Oil Sight Glass.

c. Replace the Oil Plug.

<&79%Y*,$.*(%C/*(,$"&8

Premium quality 30-weight, non-detergent air

compressor oil (sold separately) is recommended

for use with this compressor. Start compressor in

heated area if outdoor temperatures drop below

32° F. If this is not practical, drain out the old

pump oil and use SAE 10W Non-detergent Air

Compressor Oil in the pump crankcase instead

whenever the compressor’s temperature will fall

below 40°. Do not use multi-viscosity oil (such

as 10W-30), they leave carbon deposits on pump

components and lead to accelerated failure. Heavy

operation may require heavier viscosity oil.

3. If uncertain which oil to use for this compressor,

please call Harbor Freight Tools customer

service at 1-888-866-5797 for assistance.

Y=I>@>Zj To prevent serious injury from burns:

Do not add or change the oil while

the compressor is in operation.

Allow the compressor to cool before replacing oil.

Page 15K&(%4&5/(*##&(%$*4.8"4,7%R'*#$"&8#J%/7*,#*%4,77%PSTTTSTQQSUVWV1%

K&(%*83"8*%$*4.8"4,7%R'*#$"&8#J%/7*,#*%4,77%PSTTTSTQQSUVWV1

ITEM 62404

F=K6EBF6E;XCX6I=E@C>D=@>E6>=><6

<.,83"83%C"7

1. Place a container under the Drain Plug.

2. Remove the Oil Plug to allow air flow into the Pump.

3. Remove the Drain Plug, allowing the

oil to drain into the container.

4. When the oil is completely drained from

the Pump, replace the Drain Plug.

5. Fill the Pump with new compressor oil to

the FULL level on the Oil Sight Glass.

6. Replace and tighten the Oil Plug.

7. Discard the old oil according to local,

state and federal regulations.

L(,"8"83%D&"#$'(*%2(&5%$.*%E,8`#

The Drain Valves are located under the Tanks.

They must be accessed daily to release all

trapped air and moisture from the Tanks. This

will eliminate condensation which can cause tank

corrosion. To empty the air and condensation:

1. Make sure the compressor engine is off.

2. Place a collection pan under the Drain Valves.

3. Open the Drain Valves by pivoting the lever

on the bottom of the Compressor so the

lever is in line with the Drain Valves.

4. When all the pressure is released, close the

Drain Valves by pivoting the lever on the

bottom of the compressor so that the lever

is perpendicular to the Drain Valve.

="(%K"7$*(%D,"8$*8,84*

Check the Air Filter weekly to see if it needs

replacement. If working in dirty environments, you may

need to clean the filter more often. To clean the Air Filter:

1. Unthread the Wing Nut holding the

Air Filter Assembly in place.

2. Remove the air filter cover and the

air filter elements and check for dirt.

Clean or replace as described below.

3. <7*,8"83-

• For “paper” filter elements:

To prevent injury from dust and debris,

wear ANSI-approved safety goggles,

NIOSH-approved dust mask/respirator, and

heavy-duty work gloves. In a well-ventilated

area away from bystanders, use pressurized

air to blow dust out of the air filter.

If this does not get the filter clean, replace it.

• For foam filter elements:

Wash the element in warm water and

mild detergent several times. Rinse.

Squeeze out excess water and allow it to dry

completely. Soak the filter in lightweight oil

briefly, then squeeze out the excess oil.

4. Install the cleaned filter. Secure in

place with the Wing Nut.

Page 16 K&(%4&5/(*##&(%$*4.8"4,7%R'*#$"&8#J%/7*,#*%4,77%PSTTTSTQQSUVWV1%

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=9N'#$"83%[*7$%E*8#"&8

1. Remove the Belt Guard Cover (1) and set it aside.

2. Press on the center of the longest

span on each belt with moderate finger

pressure (4-4.5 lb). Then measure the deflection

distance, the distance that the belt moved.

The belt should deflect anywhere from 1/2″ to 1″.

L*27*4$"&8%

L"#$,84*

3. @2%*"$.*(%+*7$%9*27*4$#%$&&%5'4.J tighten

belts by loosening the four Engine Mounting

Bolts and moving the engine away from the

other pulley slightly by turning the Nut (93)

holding the Brace Rod (91). Secure engine

mounting bolts and retest tension. If either

belt is too long to be properly tensioned, both

belts must be replaced. See Figure E.

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4. @2%*"$.*(%+*7$%9*27*4$#%$&&%7"$$7*J loosen belts

by loosening the Bolts on the Bottom Plate and

moving the engine towards the other pulley slightly

by turning the Nut (93) on the Brace Rod (91).

Secure engine mounting bolts and retest tension.

5. Before use, replace belt cover.

Page 17K&(%4&5/(*##&(%$*4.8"4,7%R'*#$"&8#J%/7*,#*%4,77%PSTTTSTQQSUVWV1%

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Engine will

not start

(Note: See

engine manual

for engine

specific issues.)

COMPRESSOR SPECIFIC:

Pilot Valve closed.

COMPRESSOR SPECIFIC:

Open pilot valve before start procedure,

close after unit is running.

Compressor

overheats

1. Incorrect lubrication or

not enough lubrication.

2. Worn parts.

1. Lubricate using recommended oil or

grease according to directions.

2. Have qualified technician inspect internal

mechanism and replace parts as needed.

Severe air

leakage

1. Poor air outlet seal.

2. Loose cylinder/cylinder head.

3. Damaged valve or housing.

4. Dirty, worn or damaged valve.

1. Tighten or re-attach using thread seal tape.

2. Tighten cylinder/cylinder head assembly.

If cylinder/cylinder head cannot tighten

properly, internal parts may be misaligned.

3. Replace damaged components.

4. Clean or replace valve assembly.

Unit stalls

1. Low engine idle.

2. Severely clogged air filter.

3. Improper lubrication.

4. Defective pilot/unloader valve.

1. Qualified technician should increase idle to

2,200±100 RPM by adjusting pressure switch.

2. Replace air filter.

3. Check for proper oil level.

4. Replace pilot valve.

Excessive noise

1. Loose drive pulley

or flywheel.

2. Misaligned pulleys.

3. Lack of oil in crankcase.

4. Worn connecting rod.

5. Worn wrist pin bushing.

6. Worn bearings.

7. Loose belts.

1. Loose pulleys are a common cause of

“knocking”. Tighten appropriate bolts.

2. Align pulleys with straightedge and secure in place.

3. Check for proper oil level.

4. Replace connecting rod.

5. Remove piston assembly and replace necessary parts.

6. Replace bearings and oil.

7. Check for proper belt tension.

Oil in the

discharge air

1. Wrong type of oil or low-

quality oil.

2. Overheating.

3. Restricted intake air.

4. Worn piston rings.

5. Excessive moisture

in the tank.

1. Change oil. Check oil recommendations

under EQUIPMENT SET UP, Equipment

Oil Fill section of this manual.

2. See above Excessive Noise section.

3. Clean or replace air filter.

4. Replace piston rings.

5. Drain moisture from the tank daily.

Low discharge

pressure

1. Air leaks.

2. Leaking valves.

3. Restricted air intake.

4. Blown gaskets.

5. Slipping belts.

1. Listen for escaping air. Apply soap solution

to all fittings and connections. Bubbles will

appear at points of leakage. Tighten or

replace leaking fittings or connections.

2. Remove head and inspect for valve breakage,

weak valves, scored valve plate, etc. Replace

defective parts and reassemble. Replace head

gasket each time the head is removed.

3. Clean or replace air filter element.

4. Replace and gaskets proven faulty on inspection.

5. Tighten Belts (See monthly maintenance.)

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Page 18 K&(%4&5/(*##&(%$*4.8"4,7%R'*#$"&8#J%/7*,#*%4,77%PSTTTSTQQSUVWV1%

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ITEM 62404

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X,($ L*#4("/$"&8 d$H

1 Belt Guard Cover 1

2 Screw M8x20 1

3 Screw M8x30 1

4 Washer 8 2

5 Bushing 1

6 Flat Key 1

7 Drive Pulley 1

8 Driven Pulley 1

9 Belt 1

10 Flat Washer 6 16

11 Bolt M6×12 16

12 Belt Guard Frame 1

13 Restrictive Block 1

14 Pull Block 1

15 Crank Shaft 1

16 Connecting Rod 2

17 Piston 2

18 Piston Pin 2

19 Closing Ring 4

20 Piston Ring 2

21 Taper-Face Ring 2

22 Screw M8x20 4

23 Air Filter 1

24 Filter Connecting Tube 1

25 Seal 1

26 Washer 6

27 Socket Head Cap Screw M8x60 6

28 Paper Washer 1

29 Radiator 1

30 Connector 1

31 Taper Sleeve 2

32 Nut 2

33 Brass Tube 1

34 Cooling Fins 1

35 Cylinder Cap 1

36 Gasket 1

37 Upper Valve Plate 1

38 Metal Gasket 1

39 Valve 4

40 Lower Valve Plate 1

41 Cylinder 1

42 Gasket 1

43 Bolt M8×60 4

44 Washer 4

45 Bearing 2

46 End Cap Gasket 2

47 Oil Breather Cover 1

X,($ L*#4("/$"&8 d$H

48 Oil Sight Glass 1

49 Washer 1

50 Seal 1

51 Oil Pan 1

52 Screwm5x16 14

53 Screw M6×16 8

54 Spring Washer6 8

55 Oil Breather 1

56 Engine 1

57 Tire 1

58 Screw M6×20 2

59 Clip 2

60 Wheel Supporting Tube 1

61 Throttle Control Valve 1

62 Pilot Valve 1

63 Elbow 1

64 Bolt M6×16 4

65 Pneumatic Combination 1

66 Tank Pressure Gauge 1

67 Quick Connecter 2

68 Safety Valve 1

69 Discharge Tube 1

70 Taper Sleeve 2

71 3/8 Pipe Nut 2

72 Bolt M8x20 4

73 Closing Ring 2

74 Tank Assy. 1

75 Handle 2

76 Rubber Handgrip 2

77 Screw M6x20 4

78 Flat Washer 4

79 Rubber Foot 4

80 Gasket 1

81 Elbow 1

82 Crank Case 1

83 Oil Seal Ø40mmxØ25mm 1

84 O-Ring Ø14.3xØ2.5 1

85 Drain Bolt 1

86 Crankcase End Cover 1

87 Wiper Ring 2

88 Bushing 1

89 Bolt M8x35 1

90 Bolt M8x20 6

91 Brace Rod 1

92 U Shape Part 1

93 Nut M12 1

94 Tank Pressure Gauge 1

I*4&(9%X(&9'4$b#%F*(",7%>'5+*(%O*(*-%

>&$*- If product has no serial number, record month and year of purchase instead.

>&$*- Some parts are listed and shown for illustration purposes only,

and are not available individually as replacement parts.

Page 19K&(%4&5/(*##&(%$*4.8"4,7%R'*#$"&8#J%/7*,#*%4,77%PSTTTSTQQSUVWV1%

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)))1.,(+&(2(*"3.$14&5

XA6=F6%I6=L%EO6%KCAACY@>Z%<=I6K;AAB

THE MANUFACTURER AND/OR DISTRIBUTOR HAS PROVIDED THE PARTS LIST AND ASSEMBLY DIAGRAM IN

THIS MANUAL AS A REFERENCE TOOL ONLY. NEITHER THE MANUFACTURER OR DISTRIBUTOR MAKES ANY

REPRESENTATION OR WARRANTY OF ANY KIND TO THE BUYER THAT HE OR SHE IS QUALIFIED TO MAKE ANY

REPAIRS TO THE PRODUCT, OR THAT HE OR SHE IS QUALIFIED TO REPLACE ANY PARTS OF THE PRODUCT.

IN FACT, THE MANUFACTURER AND/OR DISTRIBUTOR EXPRESSLY STATES THAT ALL REPAIRS AND PARTS

REPLACEMENTS SHOULD BE UNDERTAKEN BY CERTIFIED AND LICENSED TECHNICIANS, AND NOT BY THE

BUYER. THE BUYER ASSUMES ALL RISK AND LIABILITY ARISING OUT OF HIS OR HER REPAIRS TO THE

ORIGINAL PRODUCT OR REPLACEMENT PARTS THERETO, OR ARISING OUT OF HIS OR HER INSTALLATION

OF REPLACEMENT PARTS THERETO.

A"5"$*9%Wm%L,H%Y,((,8$H

Harbor Freight Tools Co. makes every effort to assure that its products meet high quality and durability standards,

and warrants to the original purchaser that this product is free from defects in materials and workmanship for the

period of 90 days from the date of purchase. This warranty does not apply to damage due directly or indirectly,

to misuse, abuse, negligence or accidents, repairs or alterations outside our facilities, criminal activity, improper

installation, normal wear and tear, or to lack of maintenance. We shall in no event be liable for death, injuries

to persons or property, or for incidental, contingent, special or consequential damages arising from the use of

our product. Some states do not allow the exclusion or limitation of incidental or consequential damages, so the

above limitation of exclusion may not apply to you. THIS WARRANTY IS EXPRESSLY IN LIEU OF ALL OTHER

WARRANTIES, EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS.

To take advantage of this warranty, the product or part must be returned to us with transportation charges

prepaid. Proof of purchase date and an explanation of the complaint must accompany the merchandise.

If our inspection verifies the defect, we will either repair or replace the product at our election or we may

elect to refund the purchase price if we cannot readily and quickly provide you with a replacement. We will

return repaired products at our expense, but if we determine there is no defect, or that the defect resulted

from causes not within the scope of our warranty, then you must bear the cost of returning the product.

This warranty gives you specific legal rights and you may also have other rights which vary from state to state.

!"#"$%&'(%)*+#"$*%,$-%.$$/-00)))1.,(+&(2(*"3.$14&5

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)"89&)#J%9&&(#J%

,89%M*8$#1

Owner’s Manual & Safety Instructions

Save This Manual%Keep this manual for the safety warnings and precautions, assembly,

operating, inspection, maintenance and cleaning procedures. Write the product’s serial number in the

back of the manual near the assembly diagram (or month and year of purchase if product has no number).

Keep this manual and the receipt in a safe and dry place for future reference.

When unpacking, make sure that the product is intact

and undamaged. If any parts are missing or broken,

please call 1-888-866-5797 as soon as possible.

No portion of this manual or any artwork contained herein may be reproduced in

any shape or form without the express written consent of Harbor Freight Tools.

Diagrams within this manual may not be drawn proportionally. Due to continuing

improvements, actual product may differ slightly from the product described herein.

Too ls r eq ui re d for a ss em bl y and s er vi ce m ay not be i nc lu de d.

I*,9%$."#%5,$*(",7%+*2&(*%'#"83%$."#%/(&9'4$1%

K,"7'(*%$&%9&%#&%4,8%(*#'7$%"8%#*("&'#%"8N'(H1%

F=!6%EO@F%D=>;=A1

I6!%PQ,

Page 2 K&(%$*4.8"4,7%R'*#$"&8#J%/7*,#*%4,77%PSTTTSTUUSVQWQ1 ITEM 62404

E,+7*%&2%<&8$*8$#

Specifications ............................................. 2

Safety ......................................................... 3

Setup .......................................................... 6

Operation .................................................... 8

Maintenance .............................................. 12

Troubleshooting ......................................... 16

Warranties ................................................. 18

Parts Lists and Diagrams .......................... 20

F/*4"2"4,$"&8#

Displacement 212cc

Engine Type Horizontal Single Cylinder

4 stroke OHV

Cooling System Forced air cooled

Fuel Type 87+ octane unleaded gasoline

Capacity 0.9 Gallon (3.6 Liter)

Engine Oil Type SAE 10W-30 above 32° F

5W-30 at 32° F or below

Capacity 0.5 qt

Run Time @ 50% Load

with full tank 3 hr.

Sound Level at 22 feet 91 dB

Bore x Stroke 70 mm x 55 mm

Compression Ratio 8.5:1

Rotation viewed from PTO

(power takeoff - the output shaft) Counterclockwise

Shaft

Shaft 3/4″ x 2.43″

Keyway 3/16″ (4.76 mm)

End Tapped 5/16″ - 24 UNF

Spark Plug Type NGK® BP-6ES

NHSP® / Torch® F6TC

Gap 0.0275″ - 0.0314″

Valve Clearance Intake 0.0039″ - 0.0059″

Exhaust 0.0059″ - 0.0078″

Speed Idle 2260 ± 50 RPM

The emissions control system for this Engine is warranted for standards set by the

U.S. Environmental Protection Agency and by the California Air Resources Board (also known as CARB).

For warranty information, refer to the last pages of this manual.

Page 3K&(%$*4.8"4,7%R'*#$"&8#J%/7*,#*%4,77%PSTTTSTUUSVQWQ1ITEM 62404

F=K6EBCX6I=E@C>D=@>E6>=><6 F6E;X

Y=I>@>Z%FBD[CAF%=>L%L6K@>@E@C>F

This is the safety alert symbol. It is used to alert you to potential

personal injury hazards. Obey all safety messages that

follow this symbol to avoid possible injury or death.

Indicates a hazardous situation which, if not avoided,

will result in death or serious injury.

Indicates a hazardous situation which, if not avoided,

could result in death or serious injury.

Indicates a hazardous situation which, if not avoided,

could result in minor or moderate injury.

Addresses practices not related to personal injury.

FH5+&7%L*2"8"$"&8#

FH5+&7 X(&/*($H%&(%F$,$*5*8$

IXD Revolutions Per Minute

OX Horsepower

WARNING marking concerning

Risk of Eye Injury. Wear ANSI-approved

safety goggles with side shields.

Read the manual before

set-up and/or use.

WARNING marking concerning

Risk of Hearing Loss.

Wear hearing protection.

FH5+&7 X(&/*($H%&(%F$,$*5*8$

WARNING marking concerning

Risk of Respiratory Injury.

Operate engine OUTSIDE and far away

from windows, doors, and vents.

WARNING marking concerning

Risk of Fire while handling fuel.

Do not smoke while handling fuel.

WARNING marking concerning

Risk of Fire.

Do not refuel while operating.

Keep flammable objects

away from engine.

F,2*$H%Y,(8"83#

% Y=I>@>Z\%I*,9%,77%"8#$('4$"&8#1

K,"7'(*%$&%2&77&)%,77%"8#$('4$"&8#%7"#$*9%+*7&)%5,H%(*#'7$%"8%2"(*J%#*("&'#%"8N'(H%,890&(%L6=EO1%

The warnings and precautions discussed in this manual cannot cover all possible conditions and

situations that may occur. It must be understood by the operator that common sense and caution

are factors which cannot be built into this product, but must be supplied by the operator.

F=!6%EO6F6%@>FEI;<E@C>F

Page 4 K&(%$*4.8"4,7%R'*#$"&8#J%/7*,#*%4,77%PSTTTSTUUSVQWQ1 ITEM 62404

F=K6EB CX6I=E@C> D=@>E6>=><6F6E;X

F*$%'/%X(*4,'$"&8#

1. Gasoline fuel and fumes are flammable, and

potentially explosive. Use proper fuel storage

and handling procedures. Do not store fuel

or other flammable materials nearby.

2. Have multiple ABC class fire extinguishers nearby.

3. Operation of this equipment may create sparks

that can start fires around dry vegetation. A spark

arrestor may be required. The operator should

contact local fire agencies for laws or regulations

relating to fire prevention requirements.

4. Set up and use only on a flat, level,

well-ventilated surface.

5. Wear ANSI-approved safety goggles, heavy-duty

work gloves, and dust mask/respirator during set up.

6. Use only lubricants and fuel recommended

in the Specifications chart of this manual.

C/*(,$"83%X(*4,'$"&8#

1. <=I[C>%DC>C]@L6%O=^=IL%

;#"83%,8%*83"8*%"89&&(#%<=>%?@AA%

BC;%@>%D@>;E6F1%

Engine exhaust contains carbon

monoxide. This is a poison you cannot

see or smell.

NEVER use inside a home or garage,

EVEN IF doors and windows are open.

Only use OUTSIDE and far away from windows,

doors, and vents.

2. Keep children away from the equipment,

especially while it is operating.

3. Keep all spectators at least six feet

from the Engine during operation.

4. Fire Hazard! Do not fill gas tank while engine is

running. Do not operate if gasoline has been spilled.

Clean spilled gasoline before starting engine.

Do not operate near pilot light or open flame.

5. Do not touch engine during use.

Let engine cool down after use.

6. Never store fuel or other flammable

materials near the engine.

7. Only use a suitable means of transport and

lifting devices with sufficient weight bearing

capacity when transporting the Engine.

8. Secure the Engine on transport vehicles to

prevent the tool from rolling, slipping, and tilting.

9. Industrial applications must follow

OSHA requirements.

10. Do not leave the equipment unattended when it is

running. Turn off the equipment (and remove safety

keys, if available) before leaving the work area.

11. Engine can produce high noise levels.

Prolonged exposure to noise levels

above 85 dBA is hazardous to hearing.

Always wear ear protection when operating or

working around the gas engine while it is operating.

12. Wear ANSI-approved safety glasses, hearing

protection, and NIOSH-approved dust mask/

respirator under a full face shield along

with steel-toed work boots during use.

13. People with pacemakers should consult their

physician(s) before use. Electromagnetic fields in

close proximity to a heart pacemaker could cause

pacemaker interference or pacemaker failure.

Caution is necessary when near the

engine’s magneto or recoil starter.

14. Use only accessories that are recommended

by Harbor Freight Tools for your model.

Accessories that may be suitable for one

piece of equipment may become hazardous

when used on another piece of equipment.

15. Do not operate in explosive atmospheres,

such as in the presence of flammable

liquids, gases, or dust. Gasoline-powered

engines may ignite the dust or fumes.

16. Stay alert, watch what you are doing and

use common sense when operating this

piece of equipment. Do not use this piece

of equipment while tired or under the

influence of drugs, alcohol or medication.

17. Do not overreach. Keep proper footing and

balance at all times. This enables better control

of the equipment in unexpected situations.

18. Use this equipment with both hands

only. Using equipment with only one hand

can easily result in loss of control.

19. Dress properly. Do not wear loose clothing or

jewelry. Keep hair, clothing and gloves away

from moving parts. Loose clothes, jewelry or

long hair can be caught in moving parts.

Page 5K&(%$*4.8"4,7%R'*#$"&8#J%/7*,#*%4,77%PSTTTSTUUSVQWQ1ITEM 62404

F=K6EBCX6I=E@C>D=@>E6>=><6 F6E;X

20. Parts, especially exhaust system components,

get very hot during use. Stay clear of hot parts.

21. Do not cover the engine or

equipment during operation.

22. Keep the equipment, engine, and

surrounding area clean at all times.

23. Do not smoke, or allow sparks, flames,

or other sources of ignition around the

equipment, especially when refuelling.

24. Use the equipment, accessories, etc., in

accordance with these instructions and in the

manner intended for the particular type of

equipment, taking into account the working

conditions and the work to be performed. Use of

the equipment for operations different from those

intended could result in a hazardous situation.

25. Do not operate the equipment with known

leaks in the engine’s fuel system.

26. WARNING: This product contains or, when

used, produces a chemical known to the State

of California to cause cancer and birth defects

or other reproductive harm. (California Health

& Safety Code § 25249.5, et seq.)

27. When spills of fuel or oil occur, they must be

cleaned up immediately. Dispose of fluids and

cleaning materials as per any local, state, or

federal codes and regulations. Store oil rags in

a bottom-ventilated, covered, metal container.

28. Keep hands and feet away from moving parts. Do

not reach over or across equipment while operating.

29. Before use, check for misalignment or binding of

moving parts, breakage of parts, and any other

condition that may affect the equipment’s operation.

@2%9,5,3*9J%.,M*%$.*%*R'"/5*8$%#*(M"4*9%

+*2&(*%'#"831 Many accidents are caused

by poorly maintained equipment.

30. Use the correct equipment for the application.

Do not modify the equipment and do not use the

equipment for a purpose for which it is not intended.

F*(M"4*%X(*4,'$"&8#

1. [*2&(*%#*(M"4*J%5,"8$*8,84*J%&(%47*,8"83-

a. E'(8%$.*%*83"8*%#)"$4.%$&%"$#%_CKK`%/&#"$"&81

b. =77&)%$.*%*83"8*%$&%4&5/7*$*7H%4&&71

c. E.*8J%(*5&M*%$.*%#/,(a%/7'3%

4,/%2(&5%$.*%#/,(a%/7'31

2. Keep all safety guards in place and in

proper working order. Safety guards include

muffler, air cleaner, mechanical guards,

and heat shields, among other guards.

3. L&%8&$%,7$*(%&(%,9N'#$%,8H%/,($%&2%$.*%

*R'"/5*8$%&(%"$#%*83"8*%$.,$%"#%#*,7*9%+H%$.*%

5,8'2,4$'(*(%&(%9"#$("+'$&(1%%C87H%,%R',7"2"*9%

#*(M"4*%$*4.8"4",8%5,H%,9N'#$%/,($#%$.,$%5,H%

"84(*,#*%&(%9*4(*,#*%3&M*(8*9%*83"8*%#/**91

4. Wear ANSI-approved safety goggles,

heavy-duty work gloves, and dust

mask/respirator during service.

5. Maintain labels and nameplates on the equipment.

These carry important information.

If unreadable or missing, contact

Harbor Freight Tools for a replacement.

6. Have the equipment serviced by a qualified repair

person using only identical replacement parts.

This will ensure that the safety of the equipment

is maintained. Do not attempt any service or

maintenance procedures not explained in this

manual or any procedures that you are uncertain

about your ability to perform safely or correctly.

7. Store equipment out of the reach of children.

8. Follow scheduled engine and

equipment maintenance.

I*2'*7"83-

1. Do not refill the fuel tank while the

engine is running or hot.

2. Do not smoke, or allow sparks, flames,

or other sources of ignition around the

equipment, especially when refuelling.

3. Do not fill fuel tank to the top. Leave a little

room for the fuel to expand as needed.

4. Refuel in a well-ventilated area only.

5. Wipe up any spilled fuel and allow excess

to evaporate before starting engine.

E&%/(*M*8$%K@I6J%9&%8&$%#$,($%$.*%*83"8*%

)."7*%$.*%#5*77%&2%2'*7%.,83#%"8%$.*%,"(1

%F=!6%EO6F6%@>FEI;<E@C>F1

C/*(,$"83%X(*4,'$"&8#%b4&8$1c

Page 6 K&(%$*4.8"4,7%R'*#$"&8#J%/7*,#*%4,77%PSTTTSTUUSVQWQ1 ITEM 62404

F=K6EB CX6I=E@C> D=@>E6>=><6F6E;X

F*$%;/

I*,9%$.*%6>E@I6%@DXCIE=>E%F=K6EB%@>KCID=E@C>%#*4$"&8%,$%$.*%+*3"88"83%&2%$."#%5,8',7%

"847'9"83%,77%$*G$%'89*(%#'+.*,9"83#%$.*(*"8%+*2&(*%#*$%'/%&(%'#*%&2%$."#%/(&9'4$1

EC%XI6!6>E%F6I@C;F%@>d;IB-%

C/*(,$*%&87H%)"$.%/(&/*(%#/,(a%,((*#$&(%"8#$,77*91

C/*(,$"&8%&2%$."#%*R'"/5*8$%5,H%4(*,$*%#/,(a#%$.,$%

4,8%#$,($%2"(*#%,(&'89%9(H%M*3*$,$"&81%

=%#/,(a%,((*#$&(%5,H%+*%(*R'"(*91%

E.*%&/*(,$&(%#.&'79%4&8$,4$%7&4,7%2"(*%

,3*84"*#%2&(%7,)#%&(%(*3'7,$"&8#%(*7,$"83%

$&%2"(*%/(*M*8$"&8%(*R'"(*5*8$#1

At high altitudes, the engine’s carburetor, governor

(if so equipped), and any other parts that control the

fuel-air ratio will need to be adjusted by a qualified

mechanic to allow efficient high-altitude use and to

prevent damage to the engine and any other devices

used with this product.

The emission control system for this Engine is warranted

for standards set by the U.S. Environmental Protection

Agency and by the California Air Resources Board

(also known as CARB). For warranty information, refer

to the last pages of this manual.

Y=I>@>Z\%%LC%>CE%@>FE=AA%EO@F%6>Z@>6%C>%=%!6O@<A61

683"8*%<&8$(&7#

683"8*%

F)"$4.

F$,($*(%

O,897*

C"7%L(,"8%X7'3

="(%K"7$*(

K'*7%!,7M*

<.&a*

K'*7%<,/

E.(&$$7*

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Page 7K&(%$*4.8"4,7%R'*#$"&8#J%/7*,#*%4,77%PSTTTSTUUSVQWQ1ITEM 62404

F=K6EBCX6I=E@C>D=@>E6>=><6 F6E;X

O"3.%=7$"$'9*%C/*(,$"&8%=+&M*%efff%2**$

The fuel system on this engine may be influenced by operation at higher altitudes.

Proper operation can be ensured by installing an altitude kit at altitudes higher than 3000 ft. above sea level.

At elevations above 8000 ft, the engine may experience decreased performance, even with the proper main jet.

Operating this engine without the proper altitude kit installed may increase the engine’s emissions and

decrease fuel economy and performance. The kit should be installed by a qualified mechanic.

Y=I>@>Z\ EC%XI6!6>E%F6I@C;F%@>d;IB%KICD%K@I6-

Follow kit procedures in a well-ventilated area away from ignition sources.

If the engine is hot from use, shut the engine off and wait for it to cool before proceeding. Do not smoke.

>CE@<6 Warranty void if necessary adjustments are not made for high altitude use.

O"3.%=7$"$'9*%?"$%@8#$,77,$"&8%@8#$('4$"&8#

1. Turn off the engine.

2. Close the fuel valve.

3. Place a bowl under the fuel cup to catch any spilled fuel.

4. Unthread the bolt holding the fuel cup.

<=;E@C>\ Carburetor bowl may have gas in it

which will leak upon removing the bolt.

5. Remove the bolt, bolt seal, fuel cup, fuel cup seal and main jet

from the body of the carburetor assembly. A carburetor screwdriver

(not included) is needed to remove and install the Main Jet.

>&$*- The mixing tube is held in place by the main jet and

might fall out when it is removed. If it falls out, replace it in

the same orientation before replacing the main jet.

6. Replace the main jet with the replacement jet

needed for your altitude range (part 1 or 2).

>&$*- The Fuel cup seal and bolt seal may be damaged during

removal and should be replaced with the new ones from the kit.

7. Replace the Fuel Cup Seal (4),

fuel cup, Bolt Seal (3) and bolt. Tighten in place.

>CE@<6- Do not cross thread Bolt when tightening. Finger tighten first and

then use a wrench to make sure the Bolt is properly threaded.

8. Wipe up any spilled fuel and allow excess to evaporate before starting engine.

To prevent FIRE, do not start the engine while the smell of fuel hangs in the air.

=7$"$'9*%?"$%X,($#%A"#$

X,($ L*#4("/$"&8 g$H

1 Main Jet 3000-6000 ft. 1

2 Main Jet 6000-8000 ft. 1

3 Bolt Seal 1

4 Fuel Cup Seal 1

<,(+'(*$&(%

=##*5+7H

D,"8%d*$

K'*7%<'/%F*,7

D"G"83%E'+*

b5"3.$%(*5,"8%

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K'*7%<'/

[&7$%F*,7

[&7$

Page 8 K&(%$*4.8"4,7%R'*#$"&8#J%/7*,#*%4,77%PSTTTSTUUSVQWQ1 ITEM 62404

F=K6EB CX6I=E@C> D=@>E6>=><6F6E;X

C/*(,$"&8%

I*,9%$.*%6>E@I6%@DXCIE=>E%F=K6EB%@>KCID=E@C>%#*4$"&8%,$%$.*%+*3"88"83%&2%$."#%5,8',7%

"847'9"83%,77%$*G$%'89*(%#'+.*,9"83#%$.*(*"8%+*2&(*%#*$%'/%&(%'#*%&2%$."#%/(&9'4$1

X(*SF$,($%<.*4a#

Inspect engine and equipment looking for damaged, loose, and missing parts before set up and starting. If any

problems are found, do not use equipment until fixed properly.

<.*4a"83%,89%K"77"83%683"8*%C"7

>CE@<6-%%B&'(%Y,((,8$H%"#%!C@L%"2%$.*%*83"8*h#%

4(,8a4,#*%"#%8&$%/(&/*(7H%2"77*9%)"$.%&"7%+*2&(*%

*,4.%'#*1%%[*2&(*%*,4.%'#*J%4.*4a%$.*%&"7%7*M*71

Engine%)"77%8&$%#$,($%)"$.%7&)%&(%8&%*83"8*%&"71

1. Make sure the engine is stopped and is level.

2. Close the Fuel Valve.

3. Clean the top of the Dipstick and the area around it.

Remove the Dipstick by turning it counterclockwise,

and wipe it off with a clean, lint free rag.

Full level

Reinsert the Dipstick without threading it in and

remove it to check the oil level. The oil level

should be up to the full level as shown above.

5. If the oil level is at or below the low mark add the

appropriate type of oil until the oil level is at the

proper level. SAE 10W-30 oil is recommended for

general use. (The SAE Viscosity Grade chart on

page 13 in the Maintenance section shows other

viscosities to use in different average temperatures.)

6. Thread the dipstick back in clockwise.

>CE@<6-%%L&%8&$%('8%$.*%*83"8*%)"$.%$&&%7"$$7*%&"71

Engine%)"77%#.'$%&22%"2%*83"8*%&"7%7*M*7%"#%$&&%7&)1

<.*4a"83%,89%K"77"83%K'*7

Y=I>@>Z\ EC%XI6!6>E%F6I@C;F%

@>d;IB%KICD%K@I6-

Fill the fuel tank in a well-ventilated area

away from ignition sources. If the engine

is hot from use, shut the engine off and

wait for it to cool before adding fuel. Do not smoke.

1. Clean the Fuel Cap and the area around it.

2. Unscrew and remove the Fuel Cap.

3. Remove the Strainer and remove any dirt

and debris. Then replace the Strainer.

>&$*-%%L&%8&$%'#*%3,#&7"8*%4&8$,"8"83%5&(*%$.,8%

Pfi%*$.,8&7%b6Pfc1%%L&%8&$%'#*%6TV%*$.,8&71%%=99%2'*7%

#$,+"7"j*(%$&%$.*%3,#&7"8*%&(%$.*%Y,((,8$H%"#%!C@L1

>&$*-%%L&%8&$%'#*%3,#&7"8*%$.,$%.,#%+**8%#$&(*9%"8%,%

5*$,7%2'*7%4&8$,"8*(%&(%,%9"($H%2'*7%4&8$,"8*(1%%@$%4,8%

4,'#*%/,($"47*#%$&%*8$*(%$.*%4,(+'(*$&(J%,22*4$"83%

*83"8*%/*(2&(5,84*%,890&(%4,'#"83%9,5,3*1

4. If needed, fill the Fuel Tank to about 1 inch under

the fill neck of the Fuel Tank with 90 octane or

higher unleaded gasoline that has been treated

with a fuel stabilizer additive. Follow fuel stabilizer

manufacturer’s recommendations for use.

5. Then replace the Fuel Cap.

6. Wipe up any spilled fuel and allow excess

to evaporate before starting engine.

To prevent FIRE, do not start the engine

while the smell of fuel hangs in the air.

Page 9K&(%$*4.8"4,7%R'*#$"&8#J%/7*,#*%4,77%PSTTTSTUUSVQWQ1ITEM 62404

F=K6EBCX6I=E@C>D=@>E6>=><6 F6E;X

F$,($"83%$.*%683"8*

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[*2&(*%#$,($"83%$.*%*83"8*-

a. K&77&)%$.*%F*$%;/%@8#$('4$"&8#%"8%$.*%*R'"/5*8$%5,8',7%$&%/(*/,(*%$.*%*R'"/5*8$1

b. @8#/*4$%$.*%*R'"/5*8$%,89%*83"8*1

c. K"77%$.*%*83"8*%)"$.%$.*%/(&/*(%,5&'8$%,89%$H/*%&2%

+&$.%#$,+"7"j*(S$(*,$*9%'87*,9*9%3,#&7"8*%,89%&"71

d. I*,9%$.*%6R'"/5*8$%C/*(,$"&8%#*4$"&8%"8%$.*%*R'"/5*8$%5,8',71

D,8',7%F$,($

1. Close the Drain Valves by turning the levers up

so that they are perpendicular to the valve.

2. Open the Pilot Valve by rotating it to a vertical position.

3. Open the Fuel Valve.

4. To start a cold engine, move the Choke to the

START position.

To restart a warm engine, leave the

Choke in the RUN position.

5. Slide the Throttle or Speed Control Lever to 1/3

away from the SLOW position (the “turtle”).

>&$*- Some tools have a Speed Control Lever located

elsewhere on the tool which functions the same as the

Throttle. Use the Speed Control Lever in place of the

Throttle when the tool is so equipped.

FE=IE% I;>

Page 10 K&(%$*4.8"4,7%R'*#$"&8#J%/7*,#*%4,77%PSTTTSTUUSVQWQ1 ITEM 62404

F=K6EB CX6I=E@C> D=@>E6>=><6F6E;X

6. Turn the Engine Switch on.

>&$*- If engine does not start, check engine oil level.

Engine will not start with low or no engine oil.

7. Grip the Starter Handle of the Engine loosely and pull

it slowly several times to allow the gasoline to flow into

the Engine’s carburetor. Then pull the Starter Handle

gently until resistance is felt. Allow Cable to retract fully

and then pull it quickly. Repeat until the engine starts.

>&$*- Do not let the Starter Handle snap back against the engine.

Hold it as it recoils so it doesn't hit the engine.

8. Allow the Engine to run for several seconds.

Then, if the Choke Lever is in the START position,

move the Choke Lever very slowly to its RUN position.

>&$*- Moving the Choke Lever too

fast could stall the engine.

9. Close the Pilot Valve by rotating it

to a horizontal position.

10. When the Gas Engine is started and running, the

compressor Pump starts compressing air into the Air

Tank. Open the in-line Shutoff Valve and adjust the

Pressure Regulator (sold separately) so that the air

output is enough to properly power the tool, but the

output will not exceed the tool’s maximum air pressure

at any time. Turn the knob clockwise to increase the

pressure and counterclockwise to decrease pressure.

Adjust the pressure gradually, while checking

the air output gauge to set the pressure.

CKK

FE=IE% I;>

D,8',7%F$,($%b4&8$h9c

Page 11K&(%$*4.8"4,7%R'*#$"&8#J%/7*,#*%4,77%PSTTTSTUUSVQWQ1ITEM 62404

F=K6EBCX6I=E@C>D=@>E6>=><6 F6E;X

@DXCIE=>E- Allow the engine to run at no load for five minutes with no

load after each start-up so that the engine can stabilize.

11. Adjust the Throttle as needed.

12. [(*,aS"8%X*("&9-

a. Breaking-in the engine will help to ensure proper equipment and engine operation.

b. The operational break-in period will last about 3 hours of use. During this period:

• Do not apply a heavy load to the equipment.

• Do not operate the engine at its maximum speed.

c. The maintenance break-in period will last about 20 hours of use. After this period:

• Change the engine oil.

Under normal operating conditions subsequent maintenance follows the schedule

explained in the MAINTENANCE AND SERVICING section.

F$&//"83%$.*%683"8*

1. To stop the engine in an emergency,

turn the Engine Switch off.

2. Under normal conditions, use the following procedure:

a. Slide the Throttle or Speed Control

Lever to SLOW (the “turtle”).

b. Turn the Engine Switch off.

c. Close the Fuel Valve.

Y=I>@>Z\%%E.*%2'*7%M,7M*%5'#$%+*%47&#*9%+*2&(*%5&M"83%

$.*%*83"8*%$&%/(*M*8$%2'*7%7*,a,3*%,89%2"(*1

NOTICE

See “Long-Term Storage” on page 15 for complete storage instructions.

CKK

D,8',7%F$,($%b4&8$h9c

Page 12 K&(%$*4.8"4,7%R'*#$"&8#J%/7*,#*%4,77%PSTTTSTUUSVQWQ1 ITEM 62404

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$.*%#/,(a%/7'3%4,/%+*2&(*%/*(2&(5"83%,8H%"8#/*4$"&8J%5,"8$*8,84*J%&(%47*,8"83%/(&4*9'(*#1

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L&%8&$%'#*%9,5,3*9%*R'"/5*8$1%%@2%,+8&(5,7%8&"#*J%M"+(,$"&8J%&(%*G4*##%

#5&a"83%&44'(#J%.,M*%$.*%/(&+7*5%4&((*4$*9%+*2&(*%2'($.*(%'#*1

K&77&)%,77%#*(M"4*%"8#$('4$"&8#%"8%$."#%5,8',71%%E.*%*83"8*%5,H%2,"7%4("$"4,77H%"2%8&$%#*(M"4*9%/(&/*(7H1

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/*(2&(5*9%+H%,%R',7"2"*9%$*4.8"4",8%2&(%#,2*$H1%%@2%H&'%.,M*%,8H%9&'+$#%,+&'$%H&'(%,+"7"$H%$&%#,2*7H%

#*(M"4*%$.*%*R'"/5*8$%&(%*83"8*J%.,M*%,%R',7"2"*9%$*4.8"4",8%#*(M"4*%$.*%*R'"/5*8$%"8#$*,91

<7*,8"83J%D,"8$*8,84*J%,89%A'+("4,$"&8%F4.*9'7*

>&$*- This maintenance schedule is intended solely as a general guide. If performance decreases or if

equipment operates unusually, check systems immediately. The maintenance needs of each piece of equipment

will differ depending on factors such as duty cycle, temperature, air quality, fuel quality, and other factors.

>&$*- The following procedures are in addition to the regular checks and maintenance

explained as part of the regular operation of the engine and equipment.

X(&4*9'(* [*2&(*%

6,4.%;#*

D&8$.7H%&(%

*M*(H%kf%

.(1%&2%'#*

6M*(H%e%5&1%&(%

Vf%.(1%&2%'#*

6M*(H%U%5&1%&(%

Pff%.(1%&2%'#*%

B*,(7H%&(%%

*M*(H%eff%

.(1%&2%'#*

6M*(H%

k%B*,(#

Brush off outside of engine

Check engine oil level

Check air cleaner

Check deposit cup

Change engine oil

Clean/replace air cleaner *

Check and clean spark plug

1. Check/adjust idle speed

2. Check/adjust valve clearance

3. Clean fuel tank, strainer

and carburetor

4. Clean carbon build-up from

combustion chamber

** **

Replace fuel line if necessary **

*Service more frequently when used in dusty areas.

**These items should be serviced by a qualified technician.

Page 13K&(%$*4.8"4,7%R'*#$"&8#J%/7*,#*%4,77%PSTTTSTUUSVQWQ1ITEM 62404

F=K6EBCX6I=E@C>D=@>E6>=><6 F6E;X

<.*4a"83%,89%K"77"83%K'*7

Y=I>@>Z\ EC%XI6!6>E%F6I@C;F%

@>d;IB%KICD%K@I6-

Fill the fuel tank in a well-ventilated area

away from ignition sources. If the engine is

hot from use, shut the engine off and wait

for it to cool before adding fuel. Do not smoke.

1. Clean the Fuel Cap and the area around it.

2. Unscrew and remove the Fuel Cap.

3. Remove the Strainer and remove any dirt

and debris. Then replace the Strainer.

>&$*-%%L&%8&$%'#*%3,#&7"8*%4&8$,"8"83%5&(*%$.,8%

Pfi%*$.,8&7%b6Pfc1%%L&%8&$%'#*%6TV%*$.,8&71%%=99%2'*7%

#$,+"7"j*(%$&%$.*%3,#&7"8*%&(%$.*%Y,((,8$H%"#%!C@L1

>&$*-%%L&%8&$%'#*%3,#&7"8*%$.,$%.,#%+**8%#$&(*9%"8%,%

5*$,7%2'*7%4&8$,"8*(%&(%,%9"($H%2'*7%4&8$,"8*(1%%@$%4,8%

4,'#*%/,($"47*#%$&%*8$*(%$.*%4,(+'(*$&(J%,22*4$"83%

*83"8*%/*(2&(5,84*%,890&(%4,'#"83%9,5,3*1

4. If needed, fill the Fuel Tank to about 1 inch under

the fill neck of the Fuel Tank with 90 octane or

higher unleaded gasoline that has been treated

with a fuel stabilizer additive. Follow fuel stabilizer

manufacturer’s recommendations for use.

5. Then replace the Fuel Cap.

6. Wipe up any spilled fuel and allow excess

to evaporate before starting engine.

To prevent FIRE, do not start the engine

while the smell of fuel hangs in the air.

683"8*%C"7%<.,83*

<=;E@C>\ Oil is very hot during operation and can

cause burns. Wait for engine to cool before changing oil.

1. Make sure the engine is stopped and is level.

2. Close the Fuel Valve.

3. Place a drain pan (not included) underneath

the crankcase’s drain plug.

4. Remove the drain plug and, if possible,

tilt the crankcase slightly to help drain

the oil out. Recycle used oil.

5. Replace the drain plug and tighten it.

6. Clean the top of the Dipstick and the area around it.

Remove the Dipstick by turning it counterclockwise,

and wipe it off with a clean, lint free rag.

Full level

Add the appropriate type of oil until the oil level is at

the full level. SAE 10W-30 oil is recommended for

general use.

The SAE Viscosity Grade chart shows other

viscosities to use in different average temperatures.

PfYSef

VYSef

-20 0 20 40 60 80 100°F

F=6%!"#4&#"$H%Z(,9*#

=M*(,3*%&'$9&&(%$*5/*(,$'(*

8. Thread the dipstick back in clockwise.

>CE@<6-%%L&%8&$%('8%$.*%*83"8*%)"$.%$&&%7"$$7*%&"71

Engine%)"77%8&$%#$,($%)"$.%7&)%&(%8&%*83"8*%&"7.

Page 14 K&(%$*4.8"4,7%R'*#$"&8#J%/7*,#*%4,77%PSTTTSTUUSVQWQ1 ITEM 62404

F=K6EB CX6I=E@C> D=@>E6>=><6F6E;X

="(%K"7$*(%67*5*8$%D,"8$*8,84*

1. Remove the air filter cover and the

air filter elements and check for dirt.

Clean or replace as described below.

2. <7*,8"83-

• For “paper” filter elements:

To prevent injury from dust and debris,

wear ANSI-approved safety goggles,

NIOSH-approved dust mask/respirator, and

heavy-duty work gloves. In a well-ventilated

area away from bystanders, use pressurized

air to blow dust out of the air filter.

If this does not get the filter clean, replace it.

• For foam filter elements:

Wash the element in warm water and

mild detergent several times. Rinse.

Squeeze out excess water and allow it to dry

completely. Soak the filter in lightweight oil

briefly, then squeeze out the excess oil.

3. Install the new filter or the cleaned filter.

Secure the Air Cleaner Cover before use.

F/,(a%X7'3%D,"8$*8,84*

F/,(a%

X7'3%

<,/

Disconnect spark plug cap from end of plug.

Clean out debris from around spark plug.

2. Using a spark plug wrench, remove the spark plug.

3. Inspect the spark plug:

If the electrode is oily, clean it using a clean, dry rag.

If the electrode has deposits on it, polish it using

emery paper. If the white insulator is cracked or

chipped, the spark plug needs to be replaced.

I*4&55*89*9%F/,(a%X7'3#

NGK®BP-6ES

NHSP® / TORCH®F6TC

>CE@<6- Using an incorrect spark

plug may damage the engine.

4. When installing a new spark plug, adjust the

plug’s gap to the specification on the Technical

Specifications chart. Do not pry against the

electrode, the spark plug can be damaged.

5. Install the new spark plug or the cleaned spark plug

into the engine. Gasket-style: Finger-tighten until

the gasket contacts the cylinder head, then tighten

about 1/2-2/3 turn more.

Non-gasket-style: Finger-tighten until

the plug contacts the head, then

tighten about 1/16 turn more.

>CE@<6- Tighten the spark plug properly.

If loose, the spark plug will cause the engine to

overheat.

If overtightened, the threads in the

engine block will be damaged.

6. Apply dielectric spark plug boot protector

(not included) to the end of the spark

plug and reattach the wire securely.

Page 15K&(%$*4.8"4,7%R'*#$"&8#J%/7*,#*%4,77%PSTTTSTUUSVQWQ1ITEM 62404

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A&83SE*(5%F$&(,3*

When the equipment is to remain idle for longer than 20

days, prepare the engine for storage as follows:

1. <A6=>@>Z:

Wait for engine to cool, then clean engine with

dry cloth. >CE@<6- L&%8&$%47*,8%'#"83%),$*(1

The water will gradually enter the engine

and cause rust damage. Apply a thin coat

of rust preventive oil to all metal parts.

2. K;6A-

To protect the fuel tank during storage, fill the

tank with gasoline that has been treated with

a fuel stabilizer additive. Follow fuel stabilizer

manufacturer’s recommendations for use. Refer

to “Checking and Filling Fuel” on page 8.

Y=I>@>Z\ EC%XI6!6>E%F6I@C;F%

@>d;IB%KICD%K@I6-

Fill tank in a well-ventilated area away from

ignition sources. If the engine is hot from

use, shut the engine off and wait for it to

cool before adding fuel. Do not smoke.

3. A;[I@<=E@C>-

a. Change engine oil.

b. Clean out area around spark plug.

Remove spark plug and pour one tablespoon of

engine oil into cylinder through spark plug hole.

c. Replace spark plug, but leave

spark plug cap disconnected.

d. Pull Starter Handle to distribute oil in cylinder.

Stop after one or two revolutions when you

feel the piston start the compression stroke

(when you start to feel resistance).

4. [=EE6IB-%

Disconnect battery cables (if equipped).

Recharge batteries monthly while in storage.

5. FECI=Z6%=I6=-%

Cover and store in a dry, level, well-ventilated

area out of reach of children. Storage area

should also be away from ignition sources, such

as water heaters, clothes dryers, and furnaces.

>CE@<6- During extended storage periods the

Engine must be started every 3 months and allowed

to run for 15 – 20 minutes or the Warranty is VOID.

6. FE=IE@>Z%6>Z@>6%L;I@>Z0=KE6I%FECI=Z6-%

Before starting the Engine during or after

storage, keep in mind that untreated gasoline

will deteriorate quickly. Drain the fuel tank and

change to fresh fuel if untreated gasoline has

been sitting for a month, if treated gasoline

has been sitting beyond the fuel stabilizer’s

recommended time period, or if the Engine

does not start. For Engine starting instructions

refer to “Starting the Engine” on page 9.

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E(&'+7*#.&&$"83

X(&+7*5 X&##"+7*%<,'#*# X(&+,+7*%F&7'$"&8#

Engine will not start FUEL RELATED:

1. No fuel in tank or fuel valve closed.

2. Choke not in START position, cold engine.

3. Gasoline with more than 10% ethanol used.

(E15, E20, E85, etc.)

4. Low quality or deteriorated, old gasoline.

5. Carburetor not primed.

6. Dirty fuel passageways.

7. Carburetor needle stuck.

Fuel can be smelled in the air.

8. Too much fuel in chamber. This can be

caused by the carburetor needle sticking.

9. Clogged Fuel Filter.

FUEL RELATED:

1. Fill fuel tank with fresh 90+ octane stabilizer-

treated unleaded gasoline and open fuel valve.%

L&%8&$%'#*%3,#&7"8*%)"$.%5&(*%$.,8%

Pfi%*$.,8&7%b6PVJ%6kfJ%6TVJ%*$41c1

2. Move Choke to START position.

3. Clean out ethanol rich gasoline from fuel

system. Replace components damaged by

ethanol. Use fresh 90+ octane stabilizer-

treated unleaded gasoline only. %%

L&%8&$%'#*%3,#&7"8*%)"$.%5&(*%$.,8%

Pfi%*$.,8&7%b6PVJ%6kfJ%6TVJ%*$41c1

4. Use fresh 87+ octane stabilizer-treated

unleaded gasoline.%

L&%8&$%'#*%3,#&7"8*%)"$.%5&(*%$.,8%

Pfi%*$.,8&7%b6PVJ%6kfJ%6TVJ%*$41c1

5. Pull on Starter Handle to prime.

6. Clean out passageways using fuel additive.

Heavy deposits may require further cleaning.

7. Z*8$7H tap side of carburetor float

chamber with screwdriver handle.

8. Turn Choke to RUN position. Remove

spark plug and pull the start handle several

times to air out the chamber. Reinstall

spark plug and set Choke to START position.

9. Replace Fuel Filter.

IGNITION (SPARK) RELATED:

1. Spark plug cap not connected securely.

2. Spark plug electrode wet or dirty.

3. Incorrect spark plug gap.

4. Spark plug cap broken.

5. Incorrect spark timing or

faulty ignition system.

IGNITION (SPARK) RELATED:

1. Connect spark plug cap properly.

2. Clean spark plug.

3. Correct spark plug gap.

4. Replace spark plug cap.

5. Have qualified technician diagnose/

repair ignition system.

COMPRESSION RELATED:

1. Cylinder not lubricated.

Problem after long storage periods.

2. Loose or broken spark plug.

(Hissing noise will occur

when trying to start.)

3. Loose cylinder head or damaged

head gasket. (Hissing noise will

occur when trying to start.)

4. Engine valves or tappets

mis-adjusted or stuck.

ENGINE OIL RELATED:

1. Low engine oil.

2. Engine mounted on slope,

triggering low oil shutdown.

COMPRESSION RELATED:

1. Pour tablespoon of oil into spark plug hole.

Crank engine a few times and try to start again.

2. Tighten spark plug.

If that does not work, replace spark plug.

If problem persists, may have head

gasket problem, see #3.

3. Tighten head.

If that does not remedy problem,

replace head gasket.

4. Have qualified technician adjust/

repair valves and tappets.

ENGINE OIL RELATED:

1. Fill engine oil to proper level.

Check engine oil before EVERY use.

2. Operate engine on level surface.

Check engine oil level.

K&77&)%,77%#,2*$H%/(*4,'$"&8#%).*8*M*(%9",38&#"83%&(%#*(M"4"83%$.*%*R'"/5*8$%&(%*83"8*1

Page 17K&(%$*4.8"4,7%R'*#$"&8#J%/7*,#*%4,77%PSTTTSTUUSVQWQ1ITEM 62404

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X(&+7*5 X&##"+7*%<,'#*# X(&+,+7*%F&7'$"&8#

Engine misfires 1. Spark plug cap loose.

2. Incorrect spark plug gap or

damaged spark plug.

3. Defective spark plug cap.

4. Old or low quality gasoline.

5. Incorrect compression.

1. Check cap and wire connections.

2. Re-gap or replace spark plug.

3. Replace spark plug cap.

4. Use only fresh 90+ octane stabilizer-treated

unleaded gasoline.%

L&%8&$%'#*%3,#&7"8*%)"$.%5&(*%$.,8%

Pfi%*$.,8&7%b6PVJ%6kfJ%6TVJ%*$41c1

5. Diagnose and repair compression.

(Use 683"8*%)"77%8&$%#$,($-%

<CDXI6FF@C>%I6A=E6L section.)

Engine stops

suddenly

1. Fuel tank empty or full of impure or low

quality gasoline.

2. Low oil shutdown.

3. Defective fuel tank cap creating vacuum,

preventing proper fuel flow.

4. Faulty magneto.

5. Disconnected or improperly

connected spark plug cap.

1. Fill fuel tank with fresh 90+ octane stabilizer-

treated unleaded gasoline.%

L&%8&$%'#*%3,#&7"8*%)"$.%5&(*%$.,8%

Pfi%*$.,8&7%b6PVJ%6kfJ%6TVJ%*$41c1

2. Fill engine oil to proper level.

Check engine oil before EVERY use.

3. Test/replace fuel tank cap.

4. Have qualified technician service magneto.

5. Secure spark plug cap.

Engine stops when

under heavy load

1. Dirty air filter

2. Engine running cold.

1. Clean element.

2. Allow engine to warm up prior

to operating equipment.

Engine knocks 1. Old or low quality gasoline.

2. Engine overloaded.

3. Incorrect spark timing, deposit buildup,

worn engine, or other mechanical problems.

1. Fill fuel tank with fresh 90+ octane stabilizer-

treated unleaded gasoline. %%

L&%8&$%'#*%3,#&7"8*%)"$.%5&(*%$.,8%

Pfi%*$.,8&7%b6PVJ%6kfJ%6TVJ%*$41c1

2. Do not exceed equipment’s load rating.

3. Have qualified technician diagnose

and service engine.

Engine backfires 1. Impure or low quality gasoline.

2. Engine too cold.

3. Intake valve stuck or overheated engine.

4. Incorrect timing.

1. Fill fuel tank with fresh 90+ octane stabilizer-

treated unleaded gasoline. %%

L&%8&$%'#*%3,#&7"8*%)"$.%5&(*%$.,8%

Pfi%*$.,8&7%b6PVJ%6kfJ%6TVJ%*$41c1

2. Use cold weather fuel and oil additives

to prevent backfiring.

3. Have qualified technician diagnose

and service engine.

4. Check engine timing.

After sudden

impact, engine will

run, but equipment

will not operate

Shaft key or other shear pin

broken by impact to disconnect

engine and limit damage.

Have qualified technician check and replace

broken shaft key or other shear pins.

K&77&)%,77%#,2*$H%/(*4,'$"&8#%).*8*M*(%9",38&#"83%&(%#*(M"4"83%$.*%*R'"/5*8$%&(%*83"8*1

Page 18 K&(%$*4.8"4,7%R'*#$"&8#J%/7*,#*%4,77%PSTTTSTUUSVQWQ1 ITEM 62404

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