Mcculloch 96192004001 Owners Manual OM, MC624ES, 2010 09, SNOW BLOWERS/THROWERS,

96192004001 50945aa5-ffcc-496c-b2e9-fe24d3a1e71c McCulloch Snow Blower 96192004001 User Guide |

2014-12-13

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MC624ES
Owner's Manual

IMPORTANT

Safe Operation Practices for Walk-Behind Snow Throwers
This snow thrower is capable of amputating hands and feet and throwing objects.
Failure to observe the following safety instructions could result in serious injury.
WARNING: Snow throwers have exposed rotating parts, which can cause
severe injury from contact, or from material thrown from the discharge chute.
Keep the area of operation clear of all
persons, small children and pets at all
times including startup.

Look for this symbol to point out important safety precautions. It means
CAUTION!!! BECOME ALERT!!! YOUR
SAFETY IS INVOLVED.
WARNING: Always disconnect spark
plug wire and place it where it cannot
contact plug in order to prevent accidental starting when setting up, transporting, adjusting or making repairs.

CAUTION: Muffler and other engine
parts become extremely hot during
operation and remain hot after engine
has stopped. To avoid severe burns on
contact, stay away from these areas.

WARNING: This snow thrower is for
use on sidewalks, driveways and other
ground level surfaces. Caution should
be exercised while using on sloping surfaces. Do not use snow thrower on
surfaces above ground level such as
roofs of residences, garages, porches
or other such structures or buildings.

WARNING: Engine exhaust, some of
its constituents, and certain vehicle
components contain or emit chemicals known to the State of California
to cause cancer and birth defects or
other reproductive harm.

Training
1. Read, understand and follow all instructions on the
machine and in the manual(s) before operating this
unit. Be thoroughly familiar with the controls and the
proper use of the equipment. Know how to stop the
unit and disengage the controls quickly.
2. Never allow children to operate the equipment. Never
allow adults to operate the equipment without proper
instruction.
3. Keep the area of operation clear of all persons, particularly small children.
4. Exercise caution to avoid slipping or falling, especially
when operating the snow thrower in reverse.

5.
6.

Preparation
1. Thoroughly inspect the area where the equipment is
to be used and remove all doormats, sleds, boards,
wires, and other foreign objects.
2. Disengage all clutches and shift into neutral before
starting the engine (motor).
3. Do not operate the equipment without wearing adequate
winter garments. Avoid loose fitting clothing that can
get caught in moving parts. Wear footwear that will
improve footing on slippery surfaces.
4. Handle fuel with care; it is highly flammable
(a) Use an approved fuel container.
(b) Never add fuel to a running engine or hot engine.
(c) Fill fuel tank outdoors with extreme care. Never fill
fuel tank indoors.
(d) Never fill containers inside a vehicle or on a truck
or trailer bed with a plastic liner. Always place
containers on the ground, away from your vehicle,
before filling.
(e) When practical, remove gas-powered equipment
from the truck or trailer and refuel it on the ground.
If this is not possible, then refuel such equipment
on a trailer with a portable container, rather than
from a gasoline dispenser nozzle.

7.
8.

(f) Keep the nozzle in contact with the rim of the fuel
tank or container opening at all times, until refueling is complete. Do not use a nozzle lock-open
device.
(g) Replace gasoline cap securely and wipe up spilled
fuel.
(h) If fuel is spilled on clothing, change clothing immediately.
Use extension cords and receptacles as specified by
the manufacturer for all units with electric drive motors
or electric starting motors.
Adjust the collector housing height to clear gravel or
crushed rock surface.
Never attempt to make any adjustments while the
engine (motor) is running (except when specifically
recommended by manufacturer).
Always wear safety glasses or eye shields during operation or while performing an adjustment or repair to
protect eyes from foreign objects that may be thrown
from the machine.

Operation

1. Do not put hands or feet near or under rotating parts.
Keep clear of the discharge opening at all times.
2. Exercise extreme caution when operating on or crossing gravel drives, walks, or roads. Stay alert for hidden
hazards or traffic.
3. After striking a foreign object, stop the engine (motor),
remove the wire from the spark plug, disconnect the
cord on electric motors, thoroughly inspect the snow
thrower for any damage, and repair the damage before
restarting and operating the snow thrower.
4. If the unit should start to vibrate abnormally, stop the
engine (motor) and check immediately for the cause.
Vibration is generally a warning of trouble.
5. Stop the engine (motor) whenever you leave the operating position, before unclogging the collector/impeller
housing or discharge chute, and when making any
repairs, adjustments or inspections.

6. When cleaning, repairing or inspecting the snow thrower,
stop the engine and make certain the collector/impeller and all moving parts have stopped. Disconnect
the spark plug wire and keep the wire away from the
plug to prevent someone from accidentally starting the
engine.
7. Do not run the engine indoors, except when starting
the engine and for transporting the snow thrower in or
out of the building. Open the outside doors; exhaust
fumes are dangerous.
8. Exercise extreme caution when operating on slopes.
9. Never operate the snow thrower without proper guards,
and other safety protective devices in place and working.
10. Never direct the discharge toward people or areas
where property damage can occur. Keep children and
others away.
11. Do not overload the machine capacity by attempting
to clear snow at too fast a rate.
12. Never operate the machine at high transport speeds
on slippery surfaces. Look behind and use care when
operating in reverse.
13. Disengage power to the collector/impeller when snow
thrower is transported or not in use.
14. Use only attachments and accessories approved by
the manufacturer of the snow thrower (such as wheel
weights, counterweights, or cabs).
15. Never operate the snow thrower without good visibility
or light. Always be sure of your footing, and keep a firm
hold on the handles. Walk; never run.
16. Never touch a hot engine or muffler.

Clearing a Clogged Discharge Chute

CONGRATULATIONS on your purchase of a new snow
thrower. It has been designed, engineered and manufactured to give best possible dependability and performance.
Should you experience any problem you cannot easily
remedy, please contact your nearest authorized service
center. We have competent, well-trained technicians and
the proper tools to service or repair this unit.
Please read and retain this manual. The instructions will
enable you to assemble and maintain your snow thrower
properly. Always observe the “SAFETY RULES”.

PRODUCT SPECIFICATIONS

Hand contact with the rotating impeller inside the discharge
chute is the most common cause of injury associated with
snow throwers. Never use your hand to clean out the discharge chute. To clear the chute:
1. SHUT THE ENGINE OFF!
2. Wait 10 seconds to be sure the impeller blades have
stopped rotating.
3. Always use a clean-out tool, not your hands.

Maintenance and Storage
1. Check shear bolts and other bolts at frequent intervals
for proper tightness to be sure the equipment is in safe
working condition.
2. Never store the machine with fuel in the fuel tank
inside a building where ignition sources are present
such as hot water heaters, space heaters, or clothes
dryers. Allow the engine to cool before storing in any
enclosure.
3. Always refer to operator’s manual for important details
if the snow thrower is to be stored for an extended
period.
4. Maintain or replace safety and instruction labels, as
necessary.
5. Run the machine a few minutes after throwing snow
to prevent freeze-up of the collector/impeller.

SERIAL NUMBER: ___________________________
DATE OF PURCHASE: _______________________

Gasoline Capacity
and Type:

.5 Gal (1,89 Liters)
Unleaded Regular only

Oil Type
(API SG–SL):

SAE 30 (above 50°F)
SAE 5W-30 or 10W-30
(32° to 50°F)
SAE 5W-30 (below 32°F)

Oil Capacity:

16 Ounces (0,47 Liters)

Spark Plug:
Gap:

F6RTC
0.030" (0,762 mm)

CUSTOMER RESPONSIBILITIES

THE MODEL AND SERIAL NUMBERS WILL BE FOUND
ON A DECAL ATTACHED TO THE REAR OF THE SNOW
THROWER HOUSING.

•
•

YOU SHOULD RECORD BOTH SERIAL NUMBER AND
DATE OF PURCHASE AND KEEP IN A SAFE PLACE
FOR FUTURE REFERENCE.

•

Read and observe the safety rules.
Follow a regular schedule in maintaining, caring for
and using your snow thrower.
Follow the instructions under “Maintenance” and “Storage” sections of this owner’s manual.

TABLE OF CONTENTS
SAFETY RULES ........................................................ 2-3
PRODUCT SPECIFICATIONS ...................................... 3
CUSTOMER RESPONSIBILITIES................................ 3
ASSEMBLY / PRE-OPERATION ............................... 4-6
OPERATION ............................................................ 7-12
MAINTENANCE SCHEDULE ..................................... 13

MAINTENANCE ..................................................... 13-14
SERVICE AND ADJUSTMENTS ........................... 15-17
STORAGE ................................................................... 18
TROUBLESHOOTING ................................................ 19
REPAIR PARTS ..................................................... 20-37
WARRANTY............................................ BACK COVER

PARTS PACKED SEPARATELY IN CARTON

(1) AUGER CONTROL ROD

(1) MULTIWRENCH
(180684)

(1) DISCHARGE CHUTE

(3) RETAINER
SPRINGS
(169675)

(1) POWER CORD
(198563)

(2) FLAT WASHERS

ROTATOR HEAD MOUNTING
(2) CARRIAGE BOLTS
3/8-16 x 2.25

(1) WASHER 3/8
(19131316)

(1) LOCKNUT 3/8
(73800600)

SAFTEY IGNITION KEY(S)
(422663)

(2) HANDLE KNOBS

EXTRA SHEAR BOLTS AND NUTS

(2) SHEAR BOLTS 1/4-20 x 1-3/4
(192090)

(2) LOCKNUTS
1/4-20
(73800400)

ASSEMBLY / PRE-OPERATION
2. Cut down all four corners of carton and lay panels flat.
3. Remove the two (2) screws securing the auger housing
to the pallet.
4. Remove all packing materials except plastic tie holding
speed control rod to lower handle.
5. Remove the two (2) plastic ties securing the upper
handle to the pallet.
6. Remove snow thrower from carton and check carton
thoroughly for additional loose parts.

Read these instructions and this manual in its entirety
before you attempt to assemble or operate your new
snow thrower. Reading the entire manual will familiarize you with the unit, which will assist you in assembly,
operation and maintenance of the product.
Your new snow thrower has been assembled at the factory
with the exception of those parts left unassembled for shipping purposes. All parts such as nuts, washers, bolts, etc.,
necessary to complete the assembly have been placed in
the parts bag. To ensure safe and proper operation of your
snow thrower, all parts and hardware you assemble must
be tightened securely. Use the correct tools as necessary
to ensure proper tightness.

HOW TO SET UP YOUR SNOW THROWER
TOOL BOX (See Fig. 8)
A toolbox is provided on your snow thrower. The toolbox is
located on top of the belt cover. Store the extra shear bolts,
nuts and multi-wrench provided in parts bag in the toolbox.

REMOVE SNOW THROWER FROM CARTON
1. Remove all accessible loose parts and parts boxes
from carton.

ASSEMBLY / PRE-OPERATION
NOTE: The multi-wrench may be used for assembly of the
chute rotator head to snow thrower and making adjustments
to the skid plates.

INSTALL TRACTION DRIVE CONTROL ROD
(See Figs. 3 and 4)
The traction drive control rod is installed on the snow
thrower.
1. Remove plastic tie securing rod to lower handle.
2. With top end of rod positioned under left side of control
panel, push rod down and insert top end of rod into hole
in drive control bracket. Secure with retainer spring.

UNFOLD UPPER HANDLE
1. Raise upper handle to the operating position and
tighten handle knobs securely. Additional carriage
bolts, washers and handle knobs are in bag of parts.
Use to secure upper handle to lower handle. Install
in lower holes in handles.
INSTALL SPEED CONTROL ROD (See Figs. 1 and 2)
1. Remove plastic tie securing rod to lower handle.
2. Insert rod into speed control bracket and secure with
retainer spring.

PLASTIC TIE

TRACTION DRIVE
CONTROL ROD

SPEED
CONTROL
ROD

VINYL
SLEEVE

PLASTIC TIE
UPPER
HANDLE

HANDLE
KNOB

LOWER
HANDLE

FIG. 3

TRACTION DRIVE
CONTROL LEVER

RETAINER
SPRING

FIG. 1
SPEED CONTROL ROD
TRACTION
DRIVE
CONTROL
ROD

RETAINER
SPRING

DRIVE
CONTROL
BRACKET
FIG. 4
SPEED
CONTROL
BRACKET

SPEED
CONTROL
LEVER

FIG. 2

ASSEMBLY / PRE-OPERATION
INSTALL DISCHARGE CHUTE / CHUTE ROTATER
HEAD (See Fig. 7)
NOTE: The multi-wrench provided in your parts bag may
be used to install the chute rotater head.
1. Place discharge chute assembly on top of chute base
with discharge opening toward front of snow thrower.
2. Position chute rotater head over chute bracket. If necessary, rotate chute assembly to align square and pin on underside of chute rotater head with holes in chute bracket.
3. With chute rotater head and chute bracket aligned,
position chute rotater head on pin and threaded stud
of mounting bracket.
4. Install 3/8 washer and locknut on threaded stud and
tighten securely.

INSTALL AUGER CONTROL ROD (See Figs. 5 and 6)
1. Retrieve vinyl sleeve and spring from bag of parts and
retrieve the auger control rod from carton chute tray.
Slide straight rod end through the small hole in the
vinyl sleeve. Hook spring in hole in rod end.
2. Hook end of spring into control arm with loop opening
up as shown. (See Fig. 5)
3. With top end of rod positioned under right side of
control panel, push down on rod and insert end of rod
into hole in auger control bracket. Secure with retainer
spring.

AUGER
CONTROL
ROD

CHUTE
ROTATER
HEAD

3/8 LOCKNUT
3/8 WASHER

VINYL
SLEEVE
CONTROL
ARM

PIN
THREADED
STUD

LOOP
OPENING
UP
CHUTE
BRACKET

ALIGN BEFORE
TIGHTENING LOCKNUT

ROTATER HEAD
MOUNTING
BRACKET

FIG. 7

CHECK TIRE PRESSURE
The tires on your snow thrower were overinflated at the factory for shipping purposes. Correct and equal tire pressure
is important for best snow throwing performance.
• Reduce tire pressure to 14-17 PSI.

FIG. 5

AUGER CONTROL ROD
RETAINER
SPRING

AUGER
CONTROL
LEVER

AUGER
CONTROL
BRACKET
FIG. 6

OPERATION
KNOW YOUR SNOW THROWER
READ THIS OWNER'S MANUAL AND ALL SAFETY RULES BEFORE OPERATING YOUR SNOW THROWER. Compare
the illustrations with your snow thrower to familiarize yourself with the location of various controls and adjustments. Save
this manual for future reference.
These symbols may appear on your snow thrower or in literature supplied with the product. Learn and understand
their meaning.

PRIMER

DANGER
OR WARNING

FORWARD

REVERSE

READ AND FOLLOW ALL SAFETY INFORMATION
AND INSTRUCTIONS BEFORE USE OF THIS PRODUCT.
KEEP THESE INSTRUCTIONS FOR FUTURE REFERENCE.

IGNITION KEY.
INSERT TO START
AND RUN,
PULL OUT TO STOP.

DISENGAGED

ENGAGED

SNOW
DISCHARGE

TRACTION
DRIVE CONTROL
7

OPERATION
ELECTRIC
START
BUTTON

MUFFLER
GASOLINE
FILLER CAP

AUGER
CONTROL
LEVER

POWER
CORD
PLUG

CHOKE
CONTROL

DISCHARGE CHUTE CONTROL LEVER
DRIVE SPEED
CONTROL LEVER

TRACTION
DRIVE
CONTROL
LEVER

CHUTE
DEFLECTOR

SAFETY
IGNITION
KEY
ON / OFF
SWITCH

DISCHARGE
CHUTE

PRIMER

CHUTE
DEFLECTOR
KNOB

FUEL SHUT-OFF VALVE
RECOIL (AUXILIARY) STARTER HANDLE

HANDLE
KNOB

CLEAN-OUT TOOL

MUFFLER
NOTE: ITEMS ABOVE
ARE SHOWN IN
THEIR TYPICAL
LOCATION ON THE
ENGINE. ACTUAL
LOCATION MAY VARY
WITH THE ENGINE
ON YOUR UNIT.

TOOLBOX

SKID PLATE
AUGERS

FIG. 8

MEETS A.N.S.I. SAFETY REQUIREMENTS
Our snow throwers conform to the standards of the American National Standards Institute.
Toolbox - used to store spare shear bolts, locknuts and
wrench.
Safety ignition key - must be inserted for the engine to
start and run. Remove when snow thrower is not in use.
Electric start button – used for starting the engine.
Recoil (auxiliary) starter handle – used for starting the
engine.
Primer - pumps additional fuel from the carburetor to the
cylinder for use when starting a cold engine.
ON / OFF switch - used to STOP the engine.
8

Choke control - used for starting a cold engine.
Drive speed control lever - used to select forward or
reverse motion and speed of snow thrower.
Traction drive control lever - used to engage power-propelled forward or reverse motion of snow thrower.
Auger control lever - used to engage auger motion (throw
snow).
Discharge chute control lever - used to change the direction the snow is thrown.
Skid plate - used to adjust height of scraper bar from the
ground.

OPERATION
The operation of any snow thrower can result
in foreign objects thrown into the eyes, which
can result in severe eye damage. Always wear
safety glasses or eye shields while operating
your snow thrower or performing any adjustments or repairs. We recommend standard safety glasses
or a wide vision safety mask worn over spectacles.

TO CONTROL SNOW DISCHARGE (See Figs. 11 & 12)
WARNING: Snow throwers have exposed rotating parts, which can cause
severe injury from contact, or from material thrown from the discharge chute.
Keep the area of operation clear of all
persons, small children and pets at all
times including startup.

HOW TO USE YOUR SNOW THROWER
Know how to operate all controls before adding fuel or
attempting to start the engine.

WARNING: If the discharge chute or
auger become clogged, shut-off engine
and wait for all moving parts to stop. Use
the clean-out tool, NOT YOUR HANDS,
to unclog the chute and/or auger.

STOPPING
TRACTION DRIVE
• Release traction drive control lever to stop the forward
or reverse movement of the snow thrower.
AUGER
• Release the auger control lever to stop throwing snow.
ENGINE
1. Move ON / OFF switch to “OFF” position.
2. Remove (do not turn) safety ignition key to prevent
unauthorized use.
NOTE: Never use choke to stop engine.

The DIRECTION in which snow is to be thrown is controlled
by the discharge chute control lever.
• To change the discharge chute position, press downward
on discharge chute control lever and move lever left
or right until chute is in desired position. Be sure lever
springs back and locks into desired position.
DISCHARGE CHUTE
CONTROL LEVER

TO USE FUEL SHUT-OFF VALVE (See Fig. 9)
The fuel shut-off valve is located beneath the fuel tank on
the engine. Always operate the snow thrower with the fuel
shut-off valve in the OPEN position.

OFF

FIG. 11

The DISTANCE that snow is thrown is controlled by the
position of the chute deflector. Set the deflector low to
throw snow a short distance; set the deflector higher to
throw snow farther.
• To change the deflector position, loosen knob, move deflector to desired position and tighten knob securely.

OPEN

FIG. 9

TO USE CHOKE CONTROL (See Fig. 10)
The choke control is located on the engine. Use the choke
control whenever you are starting a cold engine. Do not
use to start a warm engine.
• To engage choke, move lever to “FULL” position.

FULL

HIGH
POSITION

OFF

KNOB

CHUTE
DEFLECTOR
LOW POSITION

FIG. 10

FIG. 12

OPERATION
TO THROW SNOW (See Fig. 13)
The auger rotation is controlled by the auger control lever
located on the right side handle.
• Squeeze auger control lever to handle to engage the
auger and throw snow.
• Release the auger control lever to stop throwing snow.

TO MOVE FORWARD AND BACKWARD (See Fig. 15)
SELF-PROPELLING, forward and reverse movement of
the snow thrower, is controlled by the traction drive control
lever located on the left side handle.
• Squeeze traction drive control lever to handle to engage
the drive system.
• Release traction drive control lever to stop the forward
or reverse movement of the snow thrower.
SPEED and DIRECTION are controlled by the drive speed
control lever.
• Press downward on the speed control lever and move
lever to desired position BEFORE engaging the traction drive control lever. Be sure lever springs back and
locks into desired position.

AUGER
CONTROL
LEVER

CAUTION: Do not move speed control lever
when traction drive control lever is engaged.
Damage to the snow thrower can result.
FIG. 13

•

Slower speeds are for heavier snow and faster speeds
are for light snow and transporting the snow thrower. It
is recommended that you use a slower speed until you
are familiar with the operation of the snow thrower.
NOTE: When both traction drive and auger control levers
are engaged, the traction drive control lever will lock the
auger control lever in the engaged position. This will allow
you to release your right hand from the handle and adjust
the discharge chute direction without interrupting the snow
throwing process.

USING THE CLEAN-OUT TOOL (See Fig. 14)
In certain snow conditions, the discharge chute may become clogged with ice and snow. Use the clean-out tool
to dislodge this blockage.
When cleaning, repairing, or inspecting, make
certain all controls are disengaged and the auger/impeller and all moving parts have stopped.
Disconnect the spark plug wire and keep the
wire away from the spark plug to prevent accidental starting.

TRACTION DRIVE
CONTROL LEVER

•
•

Release the auger control lever and shut off the engine.
Remove the clean-out tool from it's mounting clip. Grasp
the tool firmly by the handle and push and twist the tool
into the discharge chute to dislodge the blockage.
After the packed snow has been dislodged, return the cleanout tool to it's mounting clip by pushing it into the clip.
• Make sure the discharge chute is pointed in a safe direction (no vehicles, buildings, people, or other objects are
in the direction of discharge) before restarting engine.
• Restart the engine, then squeeze the auger control
lever to the handle to clear snow from the auger housing and the discharge chute.

DRIVE SPEED
CONTROL LEVER
FIG. 16

DISCHARGE CHUTE

CLEAN-OUT
TOOL
MOUNTING
CLIP

FIG. 14

OPERATION
ADD GASOLINE (See Fig. 17)
• Fill fuel tank to bottom of tank filler neck. Do not overfill. Use fresh, clean, regular unleaded gasoline with
a minimum of 87 octane. Do not mix oil with gasoline.
Purchase fuel in quantities that can be used within 30
days to assure fuel freshness.

TO ADJUST SKID PLATES (See Fig. 16)
NOTE: The wrench provided in your parts bag may be
used to adjust the skid plates.
Skid plates are located on each side of the auger housing
and adjust the clearance between the scraper bar and the
ground surface. Adjust skid plates evenly to proper height
for current surface conditions. For removal of snow in
normal conditions, such as a paved driveway or sidewalk,
place skid plates in the highest position (lowest scraper
clearance) to give a 1/8" clearance between the scraper
bar and the ground. Use a middle position if the surface
to be cleared is uneven.
NOTE: It is not recommended to operate the snow thrower
over gravel or rocky surfaces. Objects such as gravel, rocks
or other debris, can easily be picked up and thrown by the
impeller, which can cause serious personal injury, property
damage or damage to the snow thrower.
• If snow thrower must be operated over gravel surface,
use extra caution and be sure skid plates are adjusted
to lowest (highest scraper clearance) position.
1. Shut off engine and wait for all moving parts to stop.
2. Adjust skid plates by loosening the hex nuts, then moving skid plate to desired position. Be sure both plates
are adjusted evenly. Tighten securely.

WARNING: Wipe off any spilled oil or
fuel. Do not store, spill or use gasoline
near an open flame.
CAUTION: Alcohol blended fuels (called gasohol or using ethanol or methanol) can attract
moisture which leads to separation and formation of acids during storage. Acidic gas can
damage the fuel system of an engine while in
storage. To avoid engine problems, the fuel
system should be emptied before storage of
30 days or longer. Empty the gas tank, start
the engine and let it run until the fuel lines
and carburetor are empty. Use fresh fuel next
season. See Storage Instructions for additional
information. Never use engine or carburetor
cleaner products in the fuel tank or permanent
damage may occur.

HIGH POSITION
(LOW GROUND
CLEARANCE)

RECOIL (AUXILIARY)
STARTER HANDLE

ON / OFF
SWITCH

GASOLINE
FILLER CAP

AUGER
HOUSING
SCRAPER BAR
HEX
NUTS

ENGINE OIL FILL
CAP / DIPSTICK

CHOKE
CONTROL

SKID PLATE

STARTER
BUTTON

LOW POSITION (HIGH GROUND CLEARANCE)
FIG. 16

SCRAPER BAR (See Fig. 16)
The scraper bar is not adjustable, but is reversible. After
considerable use it may become worn. When it has worn
almost to the edge of the housing, it can be reversed,
providing additional service before requiring replacement.
Replace a damaged or worn scraper bar.

SAFETY
IGNITION
KEY
PRIMER

BEFORE STARTING THE ENGINE
CHECK ENGINE OIL LEVEL (See Fig. 17)
The engine on your snow thrower has been shipped from
the factory already filled with oil.
1. Check engine oil with snow thrower on level ground.
2. Remove oil fill cap/dipstick and wipe clean, reinsert
the dipstick and screw tight, wait for a few seconds,
remove and read oil level. If necessary, add oil until
“FULL” mark on dipstick is reached. Do not overfill.
• To change engine oil, see “TO CHANGE ENGINE OIL”
in the Maintenance section of this manual.

POWER
CORD
PLUG

FUEL SHUT-OFF VALVE

NOTE: ALL ITEMS ARE SHOWN IN THEIR TYPICAL LOCATION.
ACTUAL LOCATION MAY VARY WITH ENGINE ON YOUR UNIT.
FIG. 21

OPERATION
TO START ENGINE
• Be sure fuel shut-off valve is in the “OPEN” position.
Your snow thrower engine is equipped with both a 120 Volt
A.C. electric starter and a recoil starter. The electric starter
is equipped with a three-wire power cord and plug and is
designed to operate on 120 Volt A.C. household current.
• Be sure your house is a 120 Volt A.C. three-wire
grounded system. If you are uncertain, consult a
licensed electrician.

6. When the engine starts, release the recoil starter handle
and slowly move the choke control to the “OFF” position.
Allow the engine to warm up for a few minutes. Engine will
not develop full power until it has reached normal operating temperature.
WARM START - RECOIL STARTER
Follow the steps above, keeping the choke in the “OFF”
position. DO NOT push the primer.
BEFORE STOPPING
Run the engine for a few minutes to help dry off any moisture on the engine.

WARNING: Do not use the electric
starter if your house is not a 120 Volt
A.C. three-wire grounded system. Serious personal injury or damage to your
snow thrower could result.
COLD START - ELECTRIC STARTER
1. Insert safety ignition key (tied to recoil start cord) into
ignition slot until it clicks. DO NOT turn the key. Keep
the extra safety ignition key in a safe place.
2. Place ON / OFF switch in “ON” position.
3. Move choke control to “FULL” position.
4. Connect the power cord to the engine.
5. Plug the other end of the power cord into a three-hole
grounded 120 Volt A.C. receptacle.
NOTE: Do not use primer when starting engine with the
electric starter.
6. Push starter button until engine starts.
IMPORTANT: Do not crank engine more than five continuous seconds between each time you try to start. Wait 5 to
10 seconds between each attempt.
7. When the engine starts, release the starter button and
slowly move the choke control to the “OFF” position.
8. Disconnect the power cord from the receptacle first,
then from the engine.
Allow the engine to warm up for a few minutes. Engine will
not develop full power until it has reached normal operating temperature.
WARM START - ELECTRIC STARTER
Follow the steps above, keeping the choke control in the
“OFF” position.
COLD START - RECOIL STARTER
1. Insert safety ignition key (tied to recoil start cord) into
ignition slot until it clicks. DO NOT turn the key. Keep
the extra safety ignition key in a safe place.
2. Place ON / OFF switch in “ON” position.
3. Rotate choke control to “FULL” position.
4. Push the primer four (4) times if the temperature is
below 15°F, or two (2) times if temperature is between
15° and 50°F. If temperature is above 50°F, priming is
not necessary.
NOTE: Over priming may cause flooding, preventing the
engine from starting. If you do flood the engine, wait a few
minutes before attempting to start and DO NOT push the
primer.
5. Pull recoil starter handle quickly. Do not allow starter
rope to snap back.

IF RECOIL STARTER HAS FROZEN
If the recoil starter has frozen and will not turn the engine,
proceed as follows:
1. Grasp the recoil starter handle and slowly pull as much
rope out of the starter as possible.
2. Release the recoil starter handle and let it snap back
against the starter.
If the engine still fails to start, repeat the above steps or
use the electric starter.

SNOW THROWING TIPS
•
•
•
•
•
•
•
•
•
•

Go slower in deep, freezing or heavy wet snow. Use
the drive speed control, NOT the ON / OFF switch, to
adjust speed.
It is easier and more efficient to remove snow immediately after it falls.
The best time to remove snow is the early morning. At
this time the snow is usually dry and has not been exposed to the direct sun and warming temperatures.
Slightly overlap each successive path to ensure all
snow will be removed.
Throw snow downwind whenever possible.
Adjust the skid plates to proper height for current snow
conditions. See “TO ADJUST SKID PLATES” in this
section of this manual.
For extremely heavy snow, reduce the width of snow
removal by overlapping previous path and moving
slowly.
Keep engine clean and clear of snow during use. This
will help air flow and extend engine life.
After snow-throwing is completed, allow engine to run for
a few minutes to melt snow and ice off the engine.
Clean the entire snow thrower thoroughly after each
use and wipe dry so it is ready for next use.
WARNING: Do not operate snow
thrower if weather conditions impair
visibility. Throwing snow during a
heavy, windy snowstorm can blind you
and be hazardous to the safe operation
of the snow thrower.

MAINTENANCE

GENERAL RECOMMENDATIONS

LUBRICATION CHART

The warranty on this snow thrower does not cover items
that have been subjected to operator abuse or negligence.
To receive full value from the warranty, operator must
maintain snow thrower as instructed in this manual. Some
adjustments will need to be made periodically to properly
maintain your snow thrower.
At least once a season, check to see if you should make
any of the adjustments described in the Service and Adjustments section of this manual.
• At least once a year, you should replace the spark plug
and check belts for wear. A new spark plug will help
your engine run better and last longer.
• Follow the maintenance schedule in this manual.
NOTE: Use only Original Equipment Manufacturer (OEM)
parts to service this unit. Failure to do so can cause the unit
to malfunction and pose a risk of injury to the operator.

➀ SAE 30 Motor Oil
➁ See “ENGINE” in

Maintenance section

➂ General

Purpose
Grease

➀ Pivot points

BEFORE EACH USE
1. Check engine oil level.
2. Check for loose fasteners.
3. Check controls to be sure they are functioning properly.

LUBRICATION

➂ Auger

Keep your snow thrower well lubricated
(See “LUBRICATION CHART”).

➁ Engine

oil

grease fittings

SNOW THROWER
Always observe the safety rules when performing any
maintenance.

•

TIRES
• Maintain proper air pressure in both tires
(14–17 P.S.I.).
13

Keep tires free of gasoline and oil, which can harm
rubber.
NOTE: To seal tire punctures and prevent flat tires due
to slow leaks, tire sealant may be purchased from your
local parts dealer. Tire sealant also prevents tire dry rot
and corrosion.

MAINTENANCE
TO CHANGE ENGINE OIL
Determine temperature range anticipated before next oil
change. All oil must meet API service classification SG–SL.
• Be sure snow thrower is on level surface.
• Oil will drain more freely when warm.
• Catch oil in a suitable container.
NOTE: The left side wheel may be removed from snow
thrower for easier access to the oil drain plug and placement of a suitable container. The unit tilted, resting on the
frame with the left wheel removed, will help drain any oil
trapped inside the engine. (See “TO REMOVE WHEELS”
in the Service and Adjustments section of this manual).
1. Remove safety ignition key and disconnect spark plug
wire from spark plug and place wire where it cannot
come in contact with plug.
2. Clean area around drain plug.
3. Remove drain plug and drain oil in a suitable container.
4. Install drain plug and tighten securely.
5. Wipe off any spilled oil from snow thrower and engine.
6. Install left wheel (if removed for draining oil). Be sure to
install klik pin into proper hole in wheel axle (See “TO
REMOVE WHEELS” in the Service and Adjustments
section of this manual).
7. Remove oil fill cap/dipstick. Be careful not to allow dirt
to enter the engine.
8. Refill engine with oil through oil dipstick tube. Pour
slowly. Do not overfill. For approximate capacity see
“PRODUCT SPECIFICATIONS” section of this manual.
9. Use gauge on oil fill cap/dipstick for checking level.
Be sure dipstick cap is tightened securely for accurate
reading. Keep oil at “FULL” line on dipstick.
10. Wipe off any spilled oil.

BELTS
Check belts for deterioration and wear after every 50 hours
of operation and replace if necessary. The belts are not
adjustable. Replace belts if they begin to slip from wear.
(See “TO REMOVE BELT COVER” in the Service and
Adjustments section of this manual).
The belts on your snow thrower are of special construction
and should be replaced by original equipment manufacturer
(OEM) belts available from your nearest dealer. Using other
than OEM belts can cause personal injury or damage to
the snow thrower.
AUGER GEAR CASE
• The gear case was filled with lubricant to the proper
level at the factory. The only time the lubricant needs
attention is if service has been performed on the gear
case.
• If lubricant is required, use only Ronex ED #1 grease.
TRACTION DRIVE SYSTEM
DO NOT lubricate the drive components inside the snow
thrower. The sprockets, hex shafts, drive disc and friction
wheel require no lubrication. The bearings and bushings
are lifetime lubricated and require no maintenance.
CAUTION: Any lubricating of the above components can cause contamination of the friction
wheel and damage to the drive system of your
snow thrower.

ENGINE
See engine manual.
LUBRICATION
Use only high quality detergent oil rated with API service
classification SG–SL. Select the oil's SAE viscosity grade
according to your expected operating temperature.

MUFFLER
Inspect and replace corroded muffler as it could create a
fire hazard and/or damage.
SPARK PLUG
Replace spark plug at the beginning of each season or after
every 100 hours of operation, whichever occurs first. Spark
plug type and gap setting are shown in the “PRODUCT
SPECIFICATIONS” section of this manual.

CLEANING
IMPORTANT: For best performance, keep snow thrower
housing free of any dirt or trash. Clean the outside of your
snow thrower after each use.

NOTE: Although multi-viscosity oils (5W30, 10W30 etc.)
improve starting in cold weather, these multi-viscosity oils
will result in increased oil consumption when used above
32°F. Check your engine oil level more frequently to avoid
possible engine damage from running low on oil.
Change the oil after every 25 hours of operation or at least
once a year if the snow thrower is not used for 25 hours
in one year.
Check the crankcase oil level before starting the engine and
after each five (5) hours of continuous use. Tighten oil fill
cap / dipstick securely each time you check the oil level.

WARNING: Remove safety ignition key
and disconnect spark plug wire from
spark plug. Place wire where it cannot
come in contact with spark plug.
•
•

Keep finished surfaces/wheels free of gasoline, oil, etc.
We do not recommend using a garden hose to clean
your snow thrower unless the electrical system, muffler
and carburetor are covered to keep water out. Water
in engine can result in shortened engine life..

SERVICE AND ADJUSTMENTS

3. Make sure the augers and all moving
parts have completely stopped.

To replace the capscrew/shear bolts:
1. Disengage all controls and move throttle control to
STOP position. Wait for all moving parts to stop.
2. Remove safety ignition key and disconnect spark plug
wire from spark plug. Place wire where it cannot come
in contact with spark plug.
3. Align holes in impeller hub with holes in impeller shaft
and install two (2) new 1/4-20 x 1-5/8" capscrew/shear
bolts. Install 1/4-20 locknuts and tighten securely.

4. Disconnect spark plug wire from
spark plug and place wire where it
cannot come in contact with plug.

CAUTION: Do not substitute. Use only original
equipment capscrew/shear bolts as supplied
with your snow thrower.

WARNING: To avoid serious injury,
before performing any service or adjustments:
1. Be sure the on/off switch is in the
OFF position.
2. Remove safety ignition key.

SNOW THROWER
TO ADJUST SNOW THROWER HEIGHT
See “TO ADJUST SKID PLATES” and “SCRAPER BAR”
in the Operation section of this manual.

4. Insert safety ignition key and reconnect spark plug wire
to spark plug.
1/4-20
LOCKNUT

CHUTE DEFLECTOR
The chute deflector, attached to the top of the discharge
chute, is provided to direct discharging snow away from
the operator. If the deflector becomes damaged, it should
be replaced.

1/4-20 x 1-5/8
CAPSCREW /
SHEAR BOLT

1/4-20 x 2
SHOULDER /
SHEAR BOLT

IMPELLER HUB
IMPELLER
SHAFT

WARNING: To avoid serious injury,
never operate your snow thrower with
the deflector removed or damaged.
•

To change direction and/or distance snow is discharged,
see “TO CONTROL SNOW DISCHARGE” in the Operation section of this manual.
SHEAR BOLTS (See Fig. 18)
AUGER SHEAR BOLTS
Both right and left-hand augers are secured to the auger
shaft with a shear bolt and hex nut. Should a foreign object or ice become lodged in the augers, the shear bolts
are designed to break, preventing damage to any other
components. If one or both augers do not turn when auger
control lever is engaged, check to see if one or both of the
bolts have sheared. To replace the shear bolts:
1. Disengage all controls and move throttle control to
STOP position. Wait for all moving parts to stop.
2. Remove safety ignition key and disconnect spark plug
wire from spark plug. Place wire where it cannot come
in contact with spark plug.
3. Align hole in auger hub with hole in auger shaft and
install a new 1/4-20 x 2" shear bolt. Install 1/4-20
lock nut and tighten securely.

AUGER
HUB

1/4-20
LOCKNUT

AUGER HUB

AUGER SHAFT

FIG. 18

TO REMOVE BELT COVER (See Fig. 19)
1. Remove the two (2) screws securing belt cover to
frame.
2. Remove belt cover.
3. Replace belt cover by installing cover and screws and
tighten securely.
BELT
COVER

CAUTION: Do not substitute. Use only original
equipment shear bolts as supplied with your
snow thrower.
4. Insert safety ignition key and reconnect spark plug wire
to spark plug.
IMPELLER SHEAR BOLTS
The impeller is secured to the impeller shaft with two (2)
capscrew/shear bolts and hex nuts. Should a foreign object
or ice become lodged in the impeller, the capscrews are
designed to break, preventing damage to any other components. If impeller does not turn when auger control lever
is engaged, check to see if the capscrews have sheared. 15

FRAME
SCREWS
FIG. 19

SERVICE AND ADJUSTMENTS
TO REPLACE BELTS (See Fig. 20)
The auger and traction drive belts are not adjustable. If
the belts are damaged or begin to slip from wear, they
should be replaced. It is recommended that the belt(s) be
replaced by a service center/department.
NOTE: It is recommended that both the auger and traction
drive belt be replaced at the same time.
The V-belts on your snow thrower are of special construction and should be replaced by original equipment manufacturer (OEM) belts available from your nearest service
center/department. Using other than OEM belts can cause
personal injury or damage to the snow thrower.

8. RELIEVE TENSION ON TRACTION DRIVE BELT
IDLER and remove traction drive belt from around
pulleys.
HINT: Insert a 3/8" drive ratchet (in the “ON” position) into
the square hole in idler arm and rotate ratchet clockwise
to relieve tension.
9. With tension relieved on idler, install new traction drive
belt around pulleys and inside belt keepers.
10. Install clutch rod in swing plate; secure with hairpin.
11. Place auger belt around and inside the groove of auger
pulley only.
12. While your assistant slowly raises handles to rejoin
the auger housing and frame assembly, pull up on the
auger belt and squeeze sides together above pulley
so belt is fully seated in groove of pulley.
13. Move idler arm so it does not hit impeller pulley as you
bring snow thrower completely together and check
carefully for proper routing of belts. If auger belt has
become dislodged from the pulley (by catching the idler
arm bracket while bringing snow thrower together),
separate the snow thrower and repeat step 12. Belt
must be fully seated in pulley groove when bringing
the snow thrower together.
14. Install the two (2) hex bolts and tighten securely.
15. INSTALL ENGINE PULLEY - Place belt in pulley groove
and slide pulley on crankshaft. Install flat washer, bolt
and tighten securely (41-47 N-m torque). Make sure
belt is inside belt keeper.
16. INSTALL BELT COVER and two (2) screws. Tighten
securely.
17. INSTALL DISCHARGE CHUTE – See “INSTALL DISCHARGE CHUTE / CHUTE ROTATER HEAD” in the
Assembly / Pre-Operation section of this manual.

WARNING: Belt replacement requires
separation of the snow thrower. While
separating the auger housing from the
frame assembly, it is important that
an assistant stand in the operating
position and hold the snow thrower
handles. Serious personal injury and/
or damage to the unit could occur if
the snow thrower should fall during
the belt changing process.
FRAME
ASSEMBLY

AUGER
HOUSING

HANDLES

1. REMOVE GASOLINE FROM FUEL TANK - Drain
gasoline from fuel tank into a suitable container, outdoors, away from fire or flame. Wipe up any spilled
gasoline.
2. REMOVE DISCHARGE CHUTE - Loosen locknut
securing chute rotator head to mounting bracket only
enough to allow chute rotator head to be raised and
discharge chute to be removed from snow thrower.
3. REMOVE BELT COVER - See “TO REMOVE BELT
COVER” in this section of this manual.
4. REMOVE ENGINE PULLEY - Remove bolt, flat washer
securing pulley to engine crankshaft. Remove outside
(auger) pulley only from crankshaft.
5. SEPARATE SNOW THROWER - With your assistant
standing in the operating position holding the handles,
remove the two (2) bolts holding the auger housing
and frame together.

BELT KEEPER
TRACTION DRIVE BELT
ENGINE
PULLEY

BOLT
AUGER
BELT

IDLER ARM
SQUARE
HOLE
CLUTCHING
IDLER ARM
BRACKET
FRAME

AUGER
HOUSING

AUGER PULLEY
BOLTS

WARNING: As the last bolt is removed,
have your assistant carefully lower the
handles down to the ground.
6. REMOVE HAIRPIN FROM CLUTCH ROD and remove clutch rod from swing plate. Tip swing plate
forward.
7. REMOVE AUGER BELT from around pulley.

FLAT WASHER

FIG. 20

SERVICE AND ADJUSTMENTS
TO REMOVE WHEELS (See Fig. 21)
• Remove the klik pin and remove wheel from axle.
IMPORTANT: When installing wheel, be sure to use the innermost hole in axle and the wheel hub hole. To disengage
drive system from the wheels (for pushing or transporting
the snow thrower), remove klik pin from wheel hub and
insert pin into the outermost hole in axle only.
KLIK PIN

TO ADJUST CABLE TENSION (See Fig. 22)
Adjust cable tension by turning the adjuster turn buckle,
located on the right hand cable. Grasp the long section
tightly and turn the short section to lengthen the adjuster.
Adjust until cable is snug.

ADJUSTER TURN
BUCKLE

OUTER HOLE

INNER
HOLE
WHEEL

WHEEL HUB
FIG. 22

FIG. 21

NOTE: To seal punctures or prevent flat tires due to slow
leaks, tire sealant may be purchased from your local parts
dealer. Tire sealant also prevents tire dry rot and corrosion.

ENGINE
See engine manual.
CARBURETOR
Your carburetor is not adjustable. Engine performance
should not be affected at altitudes up to 7,000 feet (2,134
meters). If your engine does not operate properly due to
suspected carburetor problems, take your snow thrower
to a qualified service center.
ENGINE SPEED
Never tamper with the engine governor, which is factory set
for proper engine speed. Overspeeding the engine above
the factory high speed setting can be dangerous and will
void the warranty. If you think the engine-governed high
speed needs adjusting, contact a qualified service center,
which has proper equipment and experience to make any
necessary adjustments.

STORAGE
•

Empty the fuel tank by starting the engine and letting
it run until the fuel lines and carburetor are empty.
• Never use engine or carburetor cleaner products in
the fuel tank or permanent damage may occur.
• Use fresh fuel next season.
NOTE: Fuel stabilizer is an acceptable alternative in minimizing the formation of fuel gum deposits during storage.
Add stabilizer to gasoline in fuel tank or storage container.
Always follow the mix ratio found on stabilizer container.
Run engine at least 10 minutes after adding stabilizer to
allow the stabilizer to reach the carburetor. Do not empty
the gas tank and carburetor if using fuel stabilizer.

Immediately prepare your snow thrower for storage at
the end of the season or if the unit will not be used for 30
days or more.
WARNING: Never store the snow
thrower with gasoline in the tank inside
a building where fumes may reach an
open flame, spark or pilot light as on a
furnace, water heater, clothes dryer or
gas appliance. Allow the engine to cool
before storing in any enclosure.

SNOW THROWER

ENGINE OIL
Drain oil (with engine warm) and replace with clean engine
oil. (See “ENGINE” in the Maintenance section of this
manual).

When snow thrower is to be stored for a period of time,
clean it thoroughly, remove all dirt, grease, leaves, etc.
Store in a clean, dry area.
1. Clean entire snow thrower (See “CLEANING” in the
Maintenance section of this manual).
2. Inspect and replace belts, if necessary (See “TO REPLACE BELTS” in the Service and Adjustments section
of this manual).
3. Lubricate as shown in the Maintenance section of this
manual.
4. Be sure that all nuts, bolts, screws, and pins are securely
fastened. Inspect moving parts for damage, breakage
and wear. Replace if necessary.
5. Touch up all rusted or chipped paint surfaces; sand
lightly before painting.

CYLINDER
1. Remove spark plug.
2. Pour one ounce (29 ml) of oil through spark plug hole
into cylinder.
3. Pull recoil starter handle slowly a few times to distribute
oil.
4. Replace with new spark plug.

OTHER
•
•
•

Remove safety ignition key; store it in a safe place.
Do not store gasoline from one season to another.
Replace your gasoline can if your can starts to rust.
Rust and/or dirt in your gasoline will cause problems.
• If possible, store your snow thrower indoors and cover
it to protect it from dust and dirt.
• Cover your snow thrower with a suitable protective
cover that does not retain moisture. Do not use plastic.
Plastic cannot breathe, which allows condensation to
form and will cause your snow thrower to rust.
IMPORTANT: Never cover snow thrower while engine/exhaust area is still warm.

ENGINE
See engine manual.
FUEL SYSTEM
IMPORTANT: It is important to prevent gum deposits from
forming in essential fuel system parts such as carburetor,
fuel hose, or tank during storage. Also, alcohol blended
fuels (called gasohol or using ethanol or methanol) can
attract moisture which leads to separation and formation
of acids during storage. Acidic gas can damage the fuel
system of an engine while in storage.

TROUBLESHOOTING
See appropriate section in manual unless directed to an authorized service center/department.
PROBLEM

Does not start

CAUSE

1. Fuel shut-off valve (if so
equipped) in OFF position.
2. Safety ignition key
is not inserted.
3. Out of fuel.
4. Throttle in STOP position
(or ON/OFF switch is OFF).
5. Choke in OFF position.
6. Primer not depressed.
7. Engine is flooded.
8. Spark plug wire is
disconnected.
9. Bad spark plug.
10. Stale fuel.
11. Water in fuel.

CORRECTION

1. Turn fuel shut-off valve to OPEN position.
2. Insert safety ignition key.
3. Fill fuel tank with fresh, clean gasoline.
4. Move throttle to FAST position
(or ON/OFF switch to ON position).
5. Move to FULL position.
6. Prime as instructed in the Operation section of this manual.
7. Wait a few minutes before restarting, DO NOT prime.
8. Connect wire to spark plug.
9. Replace spark plug.
10. Empty fuel tank & carburetor, refill with fresh, clean gasoline.
11. Empty fuel tank & carburetor, refill with fresh, clean gasoline.

1. Spark plug wire loose.
2. Throwing too much snow.
3. Fuel tank cap is covered
with ice or snow.
4. Dirty or clogged muffler.

1. Reconnect spark plug wire.
2. Reduce speed and width of swath.
3. Remove ice and snow on and around fuel tank cap.

Engine idles or
runs roughly

1.
2.
3.
4.
5.

Excessive
vibration

1. Loose parts or damaged
augers or impeller.

1. Tighten all fasteners. Replace damaged parts. If vibration
remains, contact an authorized service center/department.

Recoil starter
is hard to pull

1. Frozen recoil starter.

1. See “IF RECOIL STARTER HAS FROZEN”
in the Operation section of this manual.

Loss of traction
drive / slowing
of drive speed

1. Drive belt is worn.
2. Drive belt is off of pulley.
3. Friction drive wheel is worn.

1. Check / replace drive belt.
2. Check / reinstall drive belt.
3. Contact an authorized service center/department.

Loss of snow
discharge or
slowing of
snow discharge

1.
2.
3.
4.

Loss of power

Choke is in FULL position.
Blockage in fuel line.
Stale fuel.
Water in fuel.
Carburetor is in need of
adjustment or overhaul.

Auger belt is off of pulley.
Auger belt is worn.
Clogged discharge chute.
Augers / impeller jammed.

4. Clean or replace muffler.
Move choke to OFF position.
Clean fuel line.
Empty fuel tank & carburetor, refill with fresh, clean gasoline.
Empty fuel tank & carburetor, refill with fresh, clean gasoline.
Contact an authorized service center/department.

Check / reinstall auger belt.
Check / replace auger belt.
Clean snow chute.
Remove debris or foreign object from augers / impeller.

REPAIR PARTS SNOW THROWER - - MODEL NUMBER MC624ES (96192004001)
AUGER HOUSING / IMPELLER ASSEMBLY

11
11

15
14

11
12
4

13 11

1
37

9
2
9
33

34
31

30
31
26

36
27

25
35
22

21
18

2 (EXPLODED)

19
01.07.026-D

NOTE: All component dimensions given in U.S. inches. 1 inch = 25.4 mm
IMPORTANT: Use only Original Equipment Manufacturer (O.E.M.) replacement parts.
Failure to do so could be hazardous, damage your snow thrower and void your warranty.
20

REPAIR PARTS SNOW THROWER - - MODEL NUMBER MC624ES (96192004001)
AUGER HOUSING / IMPELLER ASSEMBLY

KEY
NO.

PART
NO.

DESCRIPTION

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37

175321X431
427148
188909
427146
175322
178675X431
192199
405400
73800400
74780426
427942
163183
427145
427154
73900600
180355
194189
407760
427302
427345
407770
407762
174697
407763
407764
189282
407758
174683
427147
184205
174681
174684
407769
407768
407767
427317
192090

IMPELLER
GEARBOX ASSEMBLY
BEARING
IMPELLER PULLEY
DISCHARGE BASE
CORNER BRACKET
CLEAN OUT TOOL
TOOL CLIP
NUT 1/4-20
SCREW 1/4-20 X .625
NUT 5/16-18
SCREW 5/16-18 X .625
IMPELLER HUB
IMPELLER SLEEVE
NUT 3/8-16
CARRIAGE BOLT
SCREW 13-16 X .625
PLUG
GEARBOX COVER RH
GASKET
SEAL
BEARING
THRUST WASHER 1.00
WORM GEAR
AUGER SHAFT
SQUARE KEY
BEARING
THRUST WASHER
IMPELLER SHAFT
ROLL PIN
THRUST WASHER
THRUST BEARING
BEARING
O-RING
SCREW 5/16-18 X .750
GEARBOX COVER LH
SHEAR BOLT

REPAIR PARTS SNOW THROWER - - MODEL NUMBER MC624ES (96192004001)
AUGER HOUSING / IMPELLER ASSEMBLY
1

KEY
NO.

PART
NO.

DESCRIPTION

1
2
3
4

404928X428
404931X431
72270505
155377

AUGER HOUSING
SCRAPPER BAR
CARRIAGE BOLT 5/16−18 X .625
NUT 5/16−18

KEY
NO.

PART
NO.

DESCRIPTION

1
2

420493X431
420494X431

AUGER ASSEMBLY LH 24
AUGER ASSEMBLY RH 24

3 (5x)
4 (5x)
2

01.07.001-A

01.07.017-A

REPAIR PARTS SNOW THROWER - - MODEL NUMBER MC624ES (96192004001)
AUGER HOUSING / IMPELLER ASSEMBLY
2

KEY
NO.

PART
NO.

DESCRIPTION

1
2
3

420478
411939
179582

AUGER BEARING
BEARING PLUG
SCREW 5/16−18 X 1.00

3
01.07.024-B

4
01.11.001-B

KEY
NO.

PART
NO.

DESCRIPTION

1
2
3
4

174762X431
178777X431
72270506
751153

SKID PLATE LH
SKID PLATE RH
CARRIAGE BOLT 5/16−18 X .75
NUT 5/16−18

REPAIR PARTS SNOW THROWER - - MODEL NUMBER MC624ES (96192004001)
CONTROL PANEL / CHUTE

11
10

8
3

11
7

6
01.09.005-E

KEY
NO.

PART
NO.

DESCRIPTION

1
2
3
4
5
6
7
8
9
10
11
12
13

435023X428
178633X428
420325
179096X428
189713X428
128415
185600
72270505
191730
155415
179246
430324
419822X431

CHUTE WELDMENT
DEFLECTOR WELDMENT
DEFLECTOR SEAL
STRAP
KNOB BLACK
POP RIVET
SHOULDER BOLT 1/4−20 X .704
CARRIAGE BOLT 5/16−18 X .625
NUT 1/4−20
WASHER
PLASTIC WASHER
CHUTE SNOW SHIELD
SHIELD RETAINER STRAP

REPAIR PARTS SNOW THROWER - - MODEL NUMBER MC624ES (96192004001)
CONTROL PANEL / CHUTE
2

2
1

KEY
NO.
1
2
*3
*4
*5
*6
*7

PART
NO.
428272
17501010
420678
405932
420675
428273
428310

01.09.010-B

DESCRIPTION
LEVER/CABLE ROTATOR ASSEMBLY
SCREW 10-24 X .625
ROTATOR HEAD
ROTATOR PIVOT BRACKET
PULLEY PIVOT
CABLE ASSEMBLY ADJUSTABLE
CABLE ASSEMBLY HEAT SHIELD

NOTES:
1. ITEMS INDICATED WITH AN * ARE LISTED AS REFERENCE FOR SERVICE PARTS ONLY.

REPAIR PARTS SNOW THROWER - - MODEL NUMBER MC624ES (96192004001)
HANDLES
5
1
6
8

2
5

8
6

7
8
4

KEY
NO.
1
2
3
4
5
6
7
8
9

PART
NO.
419800X431
419801X431
196944X431
196943X431
199513
74780512
74780524
751153
155415

DESCRIPTION
PLOW HANDLE LH
PLOW HANDLE RH
PANEL BRACKET LH
PANEL BRACKET RH
HANDLE GRIP
SCREW 5/16−18 X .750
SCREW 5/16−18 X 1.50
NUT 5/16−18
WASHER

KEY
NO.

PART
NO.

DESCRIPTION

1
2
3
4

419797X431
427513X431
428867
17000616

LOWER HANDLE
PIVOT SUPPORT WELDMENT
SCREW 5/16−18 X .750
SCREW 3/8−16 X 1.00

01.08.003-A

2
4
3

4
3

4
01-05-013-A

REPAIR PARTS SNOW THROWER - - MODEL NUMBER MC624ES (96192004001)
HANDLES
10
2
11

14
14
12

KEY
NO.
1
2
3
4
5
6
7
8
9
10
11
12
13
14

PART
NO.
412683
424517
424516
412679
426918
412677
421613
169675
17060410
414280
414281
178899
19131316
72120618

01.08.002-G

DESCRIPTION
CONTROL PANEL
CONTROL LEVER LH
CONTROL LEVER RH
TRACTION ROD ARM
IMPELLER ROD ARM
INTERLOCK BAIL
SPACER
RETAINER
SCREW 1/4-20 X .62
KNOB BLACK
KNOB RED
HANDLE KNOB
WASHER 3/8
CARRIAGE BOLT 3/8-16 X 2.25

REPAIR PARTS SNOW THROWER - - MODEL NUMBER MC624ES (96192004001)
HANDLES

2
10

10
3

8
9

KEY
NO.

PART
NO.

DESCRIPTION

1
2
3
4
5
6
7
8
9
10

180480
405740
180445
187716
180447
178669
180926
72270505
155377
169675

IMPELLER ROD
TRACTION ROD
SHIFTER ROD TOP
SHIFTER ROD BOTTOM
SPRING SLEEVE
IMPELLER SPRING
TRACTION SPRING
CARRIAGE BOLT 5/16-18 X .625
NUT 5/16-18
RETAINER

4
5

10
5

01.12.001-E

REPAIR PARTS SNOW THROWER - - MODEL NUMBER MC624ES (96192004001)
HANDLES

3
1
2

KEY
NO.

PART
NO.

DESCRIPTION

1
2
3

183352
184471
175262

CONSOLE PANEL
SCREW 10−24 X .625
SCREW 10−24 X 1.25

KEY
NO.
1
2
3
4
5
6

PART
NO.
412675X431
414572
178831
169675
17060410
421252X431

DESCRIPTION
INTERLOCK SPRING
INTERLOCK CAM
TORSION SPRING
RETAINER
SCREW 1/4−20 X .625
INTERLOCK STOP

3
2

01.10.001-B

3
2

01.08.007-B

REPAIR PARTS SNOW THROWER - - MODEL NUMBER MC624ES (96192004001)
DRIVE

42 EXPLODED
46
2
45
16

18
15
11
9

8
7

9
11
53
13

49
20

22
19

33
23

53
3
28

33
32
35

24
26

38
53

36
37

4
23

42
43

41
40
39

01.02.013-A

REPAIR PARTS SNOW THROWER - - MODEL NUMBER MC624ES (96192004001)
DRIVE
KEY
NO.

PART
NO.

198875

2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26

17501010
402685X428
17490508
57079
405485
198580
403097X008
402881
403096X431
191730
402856X008
416717X431
187101
700279
427542
402568
169675
401732
402310
12000036
402878
751153
408981
73930500
198176X431

DESCRIPTION

KEY
NO.

PART
NO.

DESCRIPTION

SPEED SELECTOR
ASSEMBLY
SCREW 10-24 X .625
END PLATE
SCREW 5/16-18 X .50
WASHER
CONTROL ARM
CLEVIS PIN
SHIFTER PLATE
SHOULDER BOLT
SHIFTER BRACKET
NUT 1/4-20
CLUTCH PLATE
CLUTCH BRACKET
SHIFTER LINK
RETAINER
CONTROL SHAFT
CLUTCH ROD
RETAINER
SHIFTER YOKE
PIVOT ROD
RETAINER
RETURN SPRING
NUT 5/16-18
BEARING
NUT 5/16-18
RUBBER WHEEL PLATE

27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53

179831
175344
178613
74760514
12000012
402187
401619
417234
401984X431
180135
402652
428288
184471
410877
413429X431
402689
414557
178828
402504
401820
198791
402393
17541008
402511
418894X431
132010
428867

RUBBER RING
BEARING
WHEEL HUB
SCREW 5/16-18-.875
RETAINER RING
SPROCKET SHAFT
CHAIN
SPROCKET WELDMENT
SHIFTER BRACKET
SPRING
PLATE PIVOT ROD
E-RING .375
SHOULDER SCREW
BOTTOM PAN
SPRING BRACKET
DRIVE PLATE ASSEMBLY
IDLER SPRING
IDLER SPRING
PULLEY SHAFT
DRIVE PLATE
BEARING
PULLEY HALF
SCREW 10-24 X .50
SPACER BEARING
SWING PLATE
NUT 3/8-16
SCREW 5/16-18 X .750

REPAIR PARTS SNOW THROWER - - MODEL NUMBER MC624ES (96192004001)
DRIVE
5
6
1b

4
3

1b
1a

2
3
5

01.03.005-B

KEY
NO.

PART
NO.

DESCRIPTION

1
1a
1b
2
3
4
5
6
7

188226
179352
184206
402691
174697
179830
17490508
155443
189282

(assy of 1a,1b) AXLE ASSEMBLY
AXLE SHAFT
ROLL PIN 3/16
SPROCKET
THRUST WASHER
BEARING
BOLT 5/16−18 X .500
CLIK PIN
SQUARE KEY

REPAIR PARTS SNOW THROWER - - MODEL NUMBER MC624ES (96192004001)
CHASSIS / ENGINE / PULLEYS
2
3

01.00.034-A

KEY
NO.

PART
NO.

DESCRIPTION

-1
2
3

436267
418694X428
150406
428867

COMPLETE LCT ENGINE
FRAME
BOLT 3/8-16
SCREW 5/16-18 X .750

KEY
NO.
1

PART
NO.
427963X428

DESCRIPTION
ENGINE MOUNTING PLATE

KEY
NO.
1

PART
NO.
428684

DESCRIPTION
COVER ASSEMBLY

01.01.004-A
1

01.21.013-B

REPAIR PARTS SNOW THROWER - - MODEL NUMBER MC624ES (96192004001)
CHASSIS / ENGINE / PULLEYS
23

11
19

14 21

18
17

16
6

7
10
8

9
1
2

01.21.003-C

KEY
NO.

PART
NO.

DESCRIPTION

KEY
NO.

PART
NO.

DESCRIPTION

1
2
3
4
5
6
7
8
9
10
11
12

408007
419744
423723X431
180523
426589
74780524
423990X431
428867
424297
751153
187786
180522

IMPELLER BELT
TRACTION BELT
IDLER ARM BRACKET
IDLER PULLEY
NUT 5/16-18
SCREW 5/16-18 X 1 .50
IDLER BRACKET
SCREW 5/16-18 X .625
SHOULDER BOLT 5/16-18 X .500
NUT 5/16-18 NYLOCK
TRACTION IDLER ARM
TRACTION PULLEY

13
14
15
16
17
18
19
20
21
22
23
24

74780520
59289
73800500
851084
400026
426491
426490
74610516
10040500
155452
11050500
175331

SCREW 5/16-18 X 1 .00
WASHER
NUT 5/16-18
SCREW 3/8-24 X 1.375
WASHER
PULLEY ENG IMPELLER
PULLEY ENG TRACTION
SCREW 5/16-18 X 1 .00
LOCKWASHER 5/16
BELT GUIDE
LOCKWASHER 5/16
IDLER BUSHING

REPAIR PARTS SNOW THROWER - - MODEL NUMBER MC624ES (96192004001)
WHEELS

KEY
NO.

PART
NO.

DESCRIPTION

1
2

432331X421
432332X421

WHEEL ASSEMBLY LH
WHEEL ASSEMBLY RH

2
01.06.018-A

REPAIR PARTS SNOW THROWER - - MODEL NUMBER MC624ES (96192004001)
BAG OF PARTS
3
4

KEY
NO.

PART
NO.

DESCRIPTION

1
2
3
4
5
6
7

198563
169675
180684X008
73800600
19131316
192090
73800400

POWER CORD
RETAINER PIN
WRENCH
LOCKNUT 3/8−16
WASHER 3/8
SHEAR BOLT 1/4−20 X 1−3/4
LOCKNUT 1/4−20

KEY
NO.
1

PART
NO.
422663

DESCRIPTION
SAFETY IGNITION KEY

6
01.14.004-B

1
01.14.009-A

4
2
01.14.012-A

KEY
NO.
1
2
3
4

PART
NO.
180445
187716
72270505
155377

DESCRIPTION
SHIFTER ROD TOP
SHIFTER ROD BOTTOM
CARRIAGE BOLT 5/16-18 X .75
NUT 5/16-18

REPAIR PARTS SNOW THROWER - - MODEL NUMBER MC624ES (96192004001)
DECALS
1

3
KEY
NO.

PART
NO.

DESCRIPTION

1
3
4
6
9
11
---

181037
181035
181042
181033
429591
428716
439031
439144

DECAL, DANGER
DECAL, DANGER, DEFLECTOR
DECAL, DANGER
DECAL, INSTRUCTION
DECAL, CON RT SPD/LEV/PWST
DECAL, CON LT WD/DEF
OWNER’S MANUAL, ENGLISH
OWNER’S MANUAL, FRENCH

SERVICE NOTES

LIMITED WARRANTY

The Manufacturer warrants to the original consumer purchaser that this product as manufactured is free from defects in materials and workmanship. For a period of two (2) years from date of purchase by the original consumer purchaser, we will repair or
replace, at our option, without charge for parts or labor incurred in replacing parts, any part which we find to be defective due
to materials or workmanship. This Warranty is subject to the following limitations and exclusions.
1.

This warranty does not apply to the engine, transaxle/transmission components, battery (except as noted below) or components parts thereof. Please refer to the applicable manufacturer's warranty on these items.

Transportation charges for the movement of any power equipment unit or attachment are the responsibility of the purchaser. Transportation charges for any parts submitted for replacement under this warranty must be paid by the purchaser unless such return is requested by the manufacturer.

Battery Warranty: On products equipped with a Battery, we will replace, without charge to you, any battery which we find
to be defective in manufacture, during the first ninety (90) days of ownership. After ninety (90) days, we will exchange the
Battery, charging you 1/12 of the price of a new Battery for each full month from the date of the original sale. Battery must
be maintained in accordance with the instructions furnished.

The Warranty period for any products used for rental or commercial purposes is limited to 90 days from the date of original
purchase.

This Warranty applies only to products which have been properly assembled, adjusted, operated, and maintained in accordance with the instructions furnished. This Warranty does not apply to any product which has been subjected to alteration, misuse, abuse, improper assembly or installation, delivery damage, or to normal wear of the product.

Exclusions: Excluded from this Warranty are belts, blades, blade adapters, normal wear, normal adjustments, standard
hardware and normal maintenance.

In the event you have a claim under this Warranty, you must return the product to an authorized service dealer.

Should you have any unanswered questions concerning this Warranty, please contact:
HOP
Outdoor Products Customer Service Dept.
9335 Harris Corners Parkway
Charlotte, NC 28269 USA

In Canada contact:
HOP
5855 Terry Fox Way
Mississauga, Ontario
L5V 3E4

giving the model number, serial number and date of purchase of your product and the name and address of the authorized
dealer from whom it was purchased.
THIS WARRANTY DOES NOT APPLY TO INCIDENTAL OR CONSEQUENTIAL DAMAGES AND ANY IMPLIED WARRANTIES ARE LIMITED TO THE SAME TIME PERIODS STATED HEREIN FOR OUR EXPRESSED WARRANTIES. Some areas
do not allow the limitation of consequential damages or limitations of how long an implied Warranty may last, so the above limitations or exclusions may not apply to you. This Warranty gives you specific legal rights, and you may have other rights which
vary from locale to locale.
This is a limited Warranty within the meaning of that term as defined in the Magnuson-Moss Act of 1975.

439031 09.30.10 SR

Printed in the U.S.A.

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Creator                         : MCCULLOCH
Title                           : OM, MC624ES, 2010-09, SNOW BLOWERS/THROWERS, 96192004001
Description                     : MOUS2010_439031
Create Date                     : 2010:09:30 09:53:30-04:00
Creator Tool                    : Adobe InDesign CS5 (7.0)
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Subject                         : MOUS2010_439031
Author                          : MCCULLOCH
Warning                         : [Minor] Ignored duplicate Info dictionary

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Mcculloch 96192004001 Owners Manual OM, MC624ES, 2010 09, SNOW BLOWERS/THROWERS,

96192004001 50945aa5-ffcc-496c-b2e9-fe24d3a1e71c McCulloch Snow Blower 96192004001 User Guide |

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