Craftsman C950 52677 7 Users Manual

Craftsman Snow Blower C950-52474-7 Craftsman Snowblowers C950-52475-7 4 hp Manual

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SEARS

owner's

manual

Models

C950-52474-7

4 H.P. 21 Inch

C950-52475-7

5

H.P.

23

Inch

C950-52677-7

8

H.P. 25 Inch

• Assembly

• Operating

Instructions

• Replacement

Parts

• Warranty

CAUTION:

You must read and

understand this owner's

manual before operating

unito

Serial No. _

CRAFTSMAN®

DUAL STAGE

SNOWBLOWER

SEARS CANADA

288 .

INC., TORONTO,

ONTARIO M5B

litho in Canada

Part No. 7524

Issue 5/87A

AOANGERA

Gasoline is flammable and caution must be used when

handling or storing il. Do not fili fuel tank while snow-

blower is running, hot, or when snowblower Is in an enclo-

sed area. Keep away from open flame, electrical spark,

and DO NOT SMOKE while filling the fuel tank. Never fili

fuel tank completely; but fili the tank to within 1/4-1/2 inch

from top to provide space for expansion of fuel. Always

fili fuel tank outdoors and use a funnel or spout to pre-

vent spilling. Make sure to wipe up any spilled fuel before

starting the engine.

Store gasoline in a clean, approved container, and keep

the cap in piace on the container. Keep gasoline in a cool

well ventilated piace; never in the house. Never buy more

tllan a 30 day supply of gasoline to assure volatility. Gaso-

line is intended to be used as a fuel for internai combus-

tlon engines; therefore, do not use gasoline for any other

purpose. Since many chlldren like the smell

01

gasoline,

keep it out of their reach because the fumes are dange-

rous to inhale, as well as being explosive.

5. Check to make sure that spark plug is tightened

securely into engine and spark plug wire is attached

to spark plug. Il torque wrench is available, torque

plug to 18-23 ft-Ibs.

To Start Engine

Be sure that engine has sufficient oil.

The snowblower engine is equipped with a recoil start-

ero The speed of this engine is controlled by the throt-

tle controllever (Figure 10). Before starting engine, be

certain that you have read and followed ali instructions

on the preceding pages.

Cold Engine Start (Recoil Starter)

(See figure 10 on page 7).

(Engine has not been run recently.)

1. Be sure auger drive clutch lever and traction drive

clutch lever are in the disengaged position,

"RELEASED"

2. Move throttle control (UP) to "FAST" position. Insert

key into ignition slot. Be sure it snaps into piace

(Figure 10). Do not turn key.

3. Aotate choke knob lo "FULL" choke position.

NOTE: Do noi choke a warm engine. (See Warm

Engine Start.)

4. Push primer button(Figure 10) 2 times. NOTE: Do

not prime a warm engine. (See warm Engine Start.)

5. PiJII starter handle (Figure 10) rapidly. NOTE: Do

not allow handle to snap back, but allow it to rewind

slowly while keeping a firm hold on the starter

handle.

6. As engine warms up and begins to operate evenly,

rotate choke knob slowly to OFF position. If engine

falters, return to 1/2 choke until it runs smoothly.

then move to OFF choke position.NOTE: Allow the

engine to warm up for a few minutes as the engine

will not develop full power until it reaches operating

temperature.

7. Aun engine at or near top speed.

8. To stop engine, move throttle control lever to stop

position and remove key. Do not turn key.

Warm Engine Start (Recoil Starter)

(Engine stili warm from recent running.)

1. Be sure auger drive clutch lever and traction drive

clutch lever are in the disengaged position,

"RELEASED"

2. Move throttle control (UP) to "FAST" position. Insert

key into ignition slot. Be sure it snaps into piace.

(Figure 10). Do not turn key.

3. Aotate choke knob lo "OFF" posilion. Do not use

primer button.

4. Pull starter handle (Figure 10) rapidly. NOTE: Do

not allow handle lo snap back, but allow il to rewind

slowly while keeping a firm hold on the starter

handle.

OIL FILL CAP/DIPSTlCK

CARBURETOR .

COVER

OIL ORAIN PLUG

FIGURE 10

5. If engine fails to start after a reasonable number of

starting attempts rotate choke knob to "FULL" posi-

tion and repeat instruction number 4.

When engine starts, rotate choke knob gradually to

"OFF" position.

6. Run engine at or near top speed.

7. To stop engine, move throttle control lever to stop

position and remove key. Do not turn key.

IMPORTANT: To help prevent possible freeze-up of

rewind starter and engine controls, proceed as follows

after each snow removal job.

1. With engine running, pull starter rope hard with a

continuous full arrn stroke three or four times. Pul-

ling of starter rope will produce a loud clattering

sound. This is not harmful to the engine or starter.

7

2.

With engine not running wipe ali snow and

moisture fram carburetor cover (Figure 10) in area

of contrai levers. Also move controllevers backward

and forward several times.

IMPORTANT: After each use of the snowblower, stop

the engine, remove the ignition key, remove ali accu-

mulated snow

tram

the snowblower and wipe clean.

Store the snowblower in a protected area.

Never cover snowblower while engine and exhaust

area are stili warm.

DO NOT LOSE IGNITION KEY. KEEP IT IN A

SAFE PLACE. ENGINE WILL NOT START

WITHOUT IGNITION KEY.

USE OF ELECTRIC STARTER

On models so equipped

A

WARNING: THIS STARTER IS EQUIPPEO

.. WITH A THREE-WIRE POWER CORO ANO

PLUG ANO IS DESIGNEO TO OPERATE ON 120

VOL T AC HOUSEHOLO CURRENT. IT MUST BE

PROPERL Y GROUNOEO AT ALL TIMES TO AVOlO

THE POSSIBILlTY OF ELECTRIC SHOCK WHICH

MAY BE INJURIOUS TO THE OPERATOR. FOLLOW

ALL INSTRUCTIONS CARE FULL Y AS SET FORTH

BELOW. OETERMINE THAT YOUR HOUSE WIRING

IS A THREE·WIRE GROUNOEO SYSTEM. ASK A

LlCENSEO ElECTRICIAN IF YOU ARE NOl SURE.

IF YOUR HOUSE WIRING SYSTEM IS NOT A THREE-

WIRIi GROUNOED SYSTEM, DO NOT USE THIS

ElECTRIC ST ARTER UNOER ANY CONOITION. IF

YOUR SYSTEM IS GROUNOED ANO A THREE-HOlE

RECEPT AClE IS NOT AVAILABLE AT THE POINT

YOUR ST ARlER WllL NORMALL Y BE USEO, ONE

SHOULO BE INST AllEO BY A LICENSEO ElEC-

TRICIAN.

A

WARNING: WHEN CONNECTING 120 VOlT

.. "POWER CORO", ALWAYS CONNECT CORO

TO "SWITCH BOX" ON ENGINE FIRSl, ANO THEN

PlUG THE OTHER END INTO THREE-HOLE

GROUNDEO RECEPT ACLE.

A

WARNING: WHEN OISCONNECTING

.. "POWER CORO", AlWAYS UNPLUG lHE

END IN THE THREE-HOLE GROUNOED RECEPT A-

CLE FIRST.

çold Engine Start (Electric Starter)

(See figures 11 and 11A on page 8)

(Engine has not been run recently.)

NOTE: DO NOT USE PRE-SlARTING PRIMER

WHEN USING 120 VOL l ELECTRIC ST ARTER.

1. Be sure auger drive clutch lever and traction drive

clutch lever are in the disengaged position,

" RELEASEO".

2. Move Throttle Control (UP) to "Fast" position. Insert

key into ignition slot. Be sure it snaps into piace.

(Figure 11). Do not turn

key.

3.

Rotate CHOKE knob to "OFF" (Figure 11).

4.

Connect POWER CORO to SWITCHBOX. (Figure

11A)

OIL FIL CAP/DIPSTICK

.........5TARTER

HANDLE

IGNITION KEV

THAOTTLE CONTROL

OIL DRAIN PLUG LEVER

FIGURE 11

ELECTRIC 5T ARTER

FIGURE 11A

5. Plug other end of POWER CORO into a three hole,

GROUNDED 120V, AC receptacte. (See "warning"

at beginning of these instructions).

6. START ENGINE:

A. Push STARTER BUTTON (Figure 11A) to

engage starter motor and crank engine.

B. Move CHOKE on engine to "Full" while cran-

king engine.

8

NOTE: THIS ELECTRIC ST ARTER IS THER-

MALLV PROTECTEO. IF OVERHEATED IT

WILL STOP AUTOMATICALL V, ANO CAN BE

REST ARTEO ONL V WHEN IT HAS COOLEO

TO A SAFE TEMPERATURE. (A WAIT OF

ABOUT 5 TO 10 MINUTES IS REQUIREO:j

C. When engine starts, release STARTER BUT-

TON and move CHOKE gradually to "Off".

D. If engine falters, move CHOKE immediately to

"Full" and then gradually to "Off".

E. Disconnect POWER CORO trom receptacle,

first, and then trom SWITCHBOX.

7. As engine warms up and begins to operate evenly,

rotate choke knob slowly to OFF position. It engine

talters, return to 1/2 choke until it runs smoothly,

then move to OFF choke position. NOTE: Allow the

engine to warm up tor atew minutes as the engine

will not develop tull power until it reaches operat-

ing temperature.

8. Run engine at or near top speed.

9. To stop engine, move throttle control lever to stop

position and remove key. Do not turn key.

It, after following the preceding instructions, your en-

gine tails to start, have it checked by your nearby Autho-

rized Sears Service Outlet.

Warm Engine Start (Electric Starter)

(Engine stili warm from recent running). Proceed with

the following instructions.

NOTE: Warm engine may start without choking.

NOTE: "WARNING" PERTAINING TO SAFE USE

OF 3-WIRE GROUNDED ELECTRICAL SYSTEM, ON

PAGE 8. ELECTRIC STARTER - 120 VOLT "AC"

ALSO APPLIES TO THESE INSTRUCTIONS. REVIEW

THIS "WARNING" BEFORE PROCEEDING.

NOTE: DO NOT USE PRE-STARTING PRIMER

WHEN USING 120 VOLT ELECTRIC STARTER.

1. Be sure auger drive clutch lever and traction drive

clutch lever are in the disengaged position,

"RELEASED" .

2. Move Throttle Control (UP) to "Fast" position. In-

sert key into ignition slot. Be sure it snaps into piace.

(Figure 11) Do not turn key.

3. Rotate CHOKE knob to "OFF" (Figure 11).

4. Connect POWER CORO to SWITCHBOX. (Figure

11A)

5. Plug other end of POWER CORO into a three hole,

GROUNDED 120V, AC receptacle. (See "warning"

at beginning of these instructions).

6. START ENGINE:

A.

Push STARTER BUTTON (Figure 11A) to en-

gage starter rnotor and crank engine.

B. Move CHOKE on engine to "Full" while crank-

ing engine.

NOTE: THIS ELECTRIC ST ARTER IS THER-

MALL V PROTECTEO. IF OVERHEATEO IT

WILL STOP AUTOMA TICALL Y, ANO CAN BE

REST ARTEO ONL V WHEN IT HAS COOLEO

TO A SAFE TEMPERATURE. (A WAIT OF

ABOUT 5 TO 10 MINUTES IS REQUIREO.)

C. When engine starts, release STARTER BUT-

TON and move CHOKE gradually to "Off".

D. If engine falters, move CHOKE immediately to

"Full" and then gradually to

"Oft".

E. Disconnect POWER CORO trom receptacle,

first, and then from SWITCHBOX.

7. Run engine at or near top speed.

8. To stop engine, move throttle control lever to stop

position and remove key. Do not turn key.

If, after tollowing the preceding instructions, your en-

gine tails to start, have it checked by your nearby Autho-

rized Sears Service Outlet.

DO NOT LOSE IGNITION KEY. KEEP IT IN A

SAFE PLACE. ENGINE WILL NOT START

WITHOUT IGNITION KEY.

9

Snowblower Operation

The most effective use of the snowblower will be es-

tablished by experience, taking into consideration the

terrain, wind conditions and building location which will

determine the diraction of the discharge chute.

NOTE: Do not blow snow towards a building as hid-

den objects could be blown with sufficient force to

cause damage.

1 . Start the engine as described in paragraph To Start

Engine.

ENGINE WILL NOT ST ART

UNLESS IGNITION KEY IS

INSERTED INTO IGNITION

SLOT IN CARBURETOR

COVER. DO NOT TURN

IGNITION KEY.

IGNITION KEY

2. Adjust snow chute deflector.

3. Using crank, position the discharge chute lo

discharge snow with the wind.

4. Select proper speed for snow conditions as outlined

below and set speed select lever to desired position.

NOTE: Always release traction drive clutch lever

before moving speed select lever.

Ground speed is determined by snow conditions. Select

Ihe speed you desire by moving the speed selector into

the appropriate coloured area on the control pane!.

Red - Wel, Heavy, Slushy, Extra Deep

Amber - Moderate

White - Very Light

Green - Transport Only

For additional operating instructions see "OPERATING

TIPS" page 18.

5. Engage auger drive clutch lever (right hand).

IMPORTANT: Be sure front of unit is clear of

bystanders or obstacles before operating.

AUGER DRIVE

CLUTCH LEVER

DISENGAGED

TRACTION DRIVE

CLUTCH LEVER

DISENGAGED

FIGURE 12

ìì

6. Engage traction drive clutch lever (Ieft hand). As the

snowblower starts to move, maintain a firm hold on

the handles and guide the snowblower along the

cutting path. Do not attempt to push the

snowblower.

7. To stop forward motion, release traction drive clutch

lever (Ieft han d).

8. To stop auger, release auger drive clutch lever (right

hand).

9. To move the snowblower backwards, move speed

select lever into first or second reverse and engage

traction drive clutch lever (Ieft hand). To stop,

release traction drive clutch lever.

A

DANGER

A

Never run engine Indoors or in enclosed, poorly ventilated

areas. Engine exhausl contains CARBON MONOXIDE, an

ODORLESS and DEAOL Y GAS.

Keep hands, leet, hair and loose clothing away trom any

moving parts on engine and snowblower.

WARNING - Temperature of muffler and nearby areas

mayexceed 150°F. Avoid these areas.

DO NOT allo w children or young teenagers to operate or

be near snowblower while it is operating.

ADANGERA

Do not attempt to remove any item that may become

lodged in auger without taking the following precautions:

1. Release auger and drive clutch levers.

2. Move throttle lever lo STOP position.

3. Remove ignition key.

4. Disconnect spark plug wire.

5. Do not piace your hands in the auger or discharge

chute. Use a pry bar.

10