Craftsman 768.884900 User manual

owner s
manual
MODEL
768.884900
8 H.P. 25 INCH
J
SBARS
CRAFTSMAN
TRAC - DRIVE
DUAL STAGE
SNOWBLOWER
With Electric Starter *
•^ ;•;**•?'
SEARS, ROEBUCK AND CO., Chicago, Illinois 60664 U.S.A.
Part No. 6757
Issue 9/86
Litho in Canada

OWNER'S INFORMATION 2
MAINTENANCE AGREEMENT 2
CRAFTSMAN WARRANTY 2
SAFE OPERATIONAL
PRECAUTIONS 3
ASSEMBLY 4-5
Contents of shipping carton 4
Tools required for Assembly 4
Unpacking 4
Crank Assembly 5
Speed Select LeverAssembly 5
OPERATION 6
Engine Operating Controls 6
Snowblower Operating Controls 6-7
Weight Transfer System 7
Table of Contents
Pre-check use of snowblower 7
To Service Engine 7
To Start Engine 8
Snowblower Operation 9
MAINTENANCE 10
Lubrication Points 10-11
Maintenance Check List 11
ADJUSTMENT/REPAIRS 12
Height AdjustSkid Adjustment 12
Auger
Drive BeltAdjustment 12
Auger DriveBelt Replacement 13
Traction DriveBeltReplacement 13
Belt Guide Adjustment 13
Cable Adjustment 13
Friction Disc Adjustment 14
Friction Disc Replacement 14
Shear Bolt Replacement 15
Track Adjustment 15
Spark Plug Adjustment 15
Headlight Replacement 15
Carburetor Adjustment 16
Engine Servicing 16
STORAGE 17
OFF SEASON STORAGE 17
OPERATING TIPS 17
TROUBLESHOOTING 18
UNIT REPAIR
PARTS 20-23
ENGINE REPAIR PARTS 24-27
NOTES 19
HOW TO ORDER REPAIR PARTS .... 28
OWNER'S INFORMATION
Record the following information about your unit so that you will be able to provide it in caseof loss or theft.
DATE PURCHASED: MODEL NO.: CODE NO.: _
STORE WHERE PURCHASED: ADDRESS
CITY
STATE.
TELEPHONE.
MAINTENANCE AGREEMENT
The Craftsman Warranty, plus a Maintenance Agreement, provide maximum value for Sears products. Contact your
nearest Sears store for details.
TWO YEAR WARRANTY ON CRAFTSMAN SNOWBLOWER
Fortwo years from the date of purchase, when this snowblower is maintained, lubricat
ing ed and tuned up according to the instructions in the owners manual, Sears will repair,
'r4B& *ree of char9e« any defect in material and workmanship.
If this snowblower is used for commercial or rental purposes, this warranty applies for
only 90 days from the date of purchase.
This warranty does not cover:
Expendable items which become worn during normal use, such as spark plugs, tire
chains and shear pins.
Repairs necessarybecauseofoperatorabuseor negligence including bentcrankshafts
and the failureto maintainthe equipment according to the instructionscontained inthe
owners manual.
WARRANTY SERVICE IS AVAILABLEBY RETURNING THE SNOWBLOWER TO THE
NEAREST SERVICE CENTER/DEPARTMENT IN THE UNITED STATES.
This warranty gives youspecific legal rights, andyoumayalsohaveother rights which
vary from state to state.
SEARS, ROEBUCK & COMPANY, Department 698/731 A, Sears Tower, Chicago, II 60684

^^\
Safe Operation Practices forWalk-Behind SnowUowers
DO NOT OPERATE THIS EQUIPMENT BEFORE READING THIS MANUAL
Training
1. Read the operating and service instruction manual care
fully. 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, and pets.
4. Exercise caution to avoid slipping or falling, especially
when operating in reverse.
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. Disengageallclutches and shift into neutral before starting
the engine (motor).
3. Do not operate the equipment without wearing adequate
winter outer garments. 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 fillfuel
tank indoors.
(d) Replace gasoline cap securely and wipe up spilled fuel.
5. Use extension cords and receptacles as specified by the
manufacturer for all units with electric drive motors or elec
tric starting motors.
6. Adjust the collector housing height to clear gravel or
crushed rock surface.
7. Neverattempt to make any adjustments whilethe engine
(motor) is running (except when specifically recommend
ed by manufacturer).
8. Letengine (motor)and machine adjust to outdoor temper
atures before starting to clear snow.
9. Alwayswearsafety glasses or eye shields during operation
or whileperforming an adjustment or repair to protect eyes
from foreign objectsthat may be thrown from the machine.
Operation
1. Donot put hands or feet near or under rotatingparts. Keep
clear of the discharge opening at all times.
2. Exerciseextreme caution when operating on or crossing
gravel drives, walks, or roads. Stayalert 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 snowblower for any
damage, and repair the damage before restarting and
operating the snowblower.
4. If
the unit should start to vibrate abnormally, stop the en
gine (motor) and check immediately for the cause. Vibra
tion is generally awarning of trouble.
5. Stop the engine (motor) whenever you leave the operating
position, before unclogging the collector/impeller housing
or discharge guide, and when making any repairs, adjust
ments, or inspections.
6. When cleaning, repairing, or inspecting, make certain the
collector/impeller and all moving parts have stopped. Dis
connect the spark plug wire and keep the wire away from
the plug to prevent accidental starting.
7. Do not run
the engine indoors, except when starting the
engine and for transporting the snowblower in or out of the
building. Open the outside doors; exhaust fumes are
dangerous.
8. Do not clear snow across the face of slopes. Exercise
extreme caution when changing direction on slopes. Do
not attempt to clear steep slopes.
9. Never operate the snowblower without proper guards,
plates or other safety protective devices in place.
10. Never operate the snowblower near glass enclosures,
automobiles, window wells, drop-offs, and the like without
proper adjustment of the snow discharge angle. Keep
children and pets 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 backing.
13. Never direct discharge at bystanders or allow anyone in
front of the unit.
14. Disengage power to the collector/impeller when snow
blower is transported or not in use.
15. Use only attachments and accessories approved by the
manufacturer of the snowblower (such as wheel weights,
counterweights, cabs, and the like).
16. Never operate the snowblower without good visibility or
light. Always be
sure of your footing and keep a firm hold
on the handles and walk, never run.
17. Do not over-reach. Keep proper footing and balance at all
times.
18. Do not attempt to use snowblower on a roof.
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 tank inside a
building where ignition sources are present such as hot
water and space heaters, clothes dryers, and the like.Allow
the engine to cool before storing in any enclosure.
3. Alwaysrefer to operator's guide instructions for important
details if the snowblower 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 blowing snow to
prevent freeze-up of the collector/impeller.

y^^k
ASSEMBLY
Contents of Shipping Carton
125inch track drivesnow blowercompletely assembled
except for the crank assembly, speed select lever
assembly and knob and the upper handle which is inthe
folded down position.
1 Parts bag containing:
1 Owners manual.
1 3/8 x 1-3/4 inch hex head screw
1 3/8 flat washer
3 3/8 inch hex nuts
1 3/8 inch lockwasher
1 Plastic knob
2 Spare shear bolts
2Spare shear bolt spacers
2 Spare 1/4 inch locknuts
2Plastic ties for headlight wire
HOW TO MEASURE SCREW SIZE
(5/16x1-1/2 INCH)
LENGTH
1
Tools Required for Assembly
1 Knife (to cut carton)
2 1/2 inch wrenches (or adjustable wrenches)
2 9/16 inch wrenchs (or adjustable wrenches)
1Pair pliers or screw driver (to spread cotter pin)
A DANGER A
Always wear safety glasses or eye shields while assem
bling snow blower.
Figure 1 shows the snowblower in the shipping position.
Figure 2 shows the snowblower completely assembled.
Reference to right and left hand side of the snowblower
is from the operators position at the handle.
WING NUTS
FIGURE 1
Unpacking
Cut two rear corners of carton and lay the panel flat.
Cut and discard plastic ties that secure crank assembly.
Cut and discard plastic ties securing cables to lower
handle.
Loosen both wing nuts and swing upper handle into
operating position.
Tighten
both wing nuts.
You will now be able to remove snowblower from carton.
Pull snowblower off skid and out of carton by the handle.
AUGER DRIVE CLUTCH
SNOW CHUTE
DEFLECTOR
FIGURE 2
TRACTION DRIVE CLUTCH
SPEED SELECT LEVER
CRANK ASSEMBLY
HEIGHT ADJ SKID

Crank Assembly
Remove plastic tie and plastic bag from crank assembly.
Remove plastic cap, cotter pin
and washer from crank
assembly.
Install one 3/8 nut on "EYE" bolt about half way up
thread.
Install "EYE" bolt through hole on left hand side of
handle below wing nut. (Figure 3)
Install 3/8 flat washer, 3/8 lockwasher and 3/8 nut loose
on "EYE" bolt.
Rotate the notched section of the discharge chute
toward the crank bracket. Install wormed end of crank
through hole in bracket and secure with flat washer and
cotter pin. (Figure 4)
Secure right hand upper and lower handle with 3/8 x
1-3/4 bolt, 3/8 lockwasher and 3/8 nut. Install bolt so
threaded end faces in. (Figure 3)
Itwill be necessary to adjust the crank assembly after
initial installation. Adjust inner and outer nuts on "eye"
bolt to obtain maximum engagement of the worm in the
rotation flange. Tighten both nuts on "eye" bolt.
RIGHT HANDLE
FLAT WASHER
LOCKWASHER -^\
LEFT HANDLE
Speed Select Lever
Cut plastic tie securing speed select lever assembly to
the shifter bracket. Remove locknut, washer, spring and
bolt from bracket. Position speed select lever assembly
as shown (Figure 5) and replace bolt,spring, washer and
locknut. Tighten locknut until 1/8" to 3/16" of the bolt
protrudes past the locknut. Move shifter through all
speedsto ensure proper tension of spring. Ifshifter lever
sticks in any of the notches, loosen locknut 1/2 turn at a
time until shifter lever moves freely.
Install speed control knob.
SPEED CONTROL KNOB
SHIFTER LEVER
SHIFTER BRACKET
1/8 TO 3/16 INCH
FIGURE 5
ADJUST NUTS
TO MOVE "EYE-
BOLT IN OR OUT.
EYE" BOLT
u
FLAT WASHER jr
CRANK BRACKET
FIGURE 4
A CAUTION A
For packing purposes, the height adjust skids on this
snowblower were adjusted all the way down to the high
est position. Adjust skid as instructed in SKID ADJUST
MENT in the adjustments section of this manual before
using this snowblower. (See page 12)
Headlight
The headlight is mounted on the right side of the handle.
Attach headlight wire to handle with two plastic ties from
parts bag.

<^Sk
OPERATION
The operation of any snowblowercan result in foreign
objects being thrown into the eyes, which can result in
severe eye damage. Always wear
safety glasses or eye shields before
beginning snowblower operation.
We recommend standard safety
glasses or Wide Vision Safety Mask
for over spectacles, available at
SEARS Retailor Catalog Stores.
Get to know your snowblower and its controls. Be sure
you (or any other operator) have read and understood
the Operational Precautions listed on page 3 of this
manual.
A DANGER A
Read Owner's Manual before operating machine.
This machine can be dangerous if used carelessly.
Never operate the snowblower without all guards,
covers, and shields in place.
Never direct discharge towards windows or allow by
standers near machine while engine is running.
Stop the engine whenever leaving the operating posi
tion, before unclogging impellerhousing or discharge
chute and before making repairs or adjustments. When
leaving machine remove the key.
To reduce risk of fire, keep machine clean and free from
spilled gas, oil and other debris.
Engine Operating Controls
The engine oeprating controls(Figure 9) and their func
tions are as follows:
•Throttle Control Lever-This snowblower is equipped
with an engine mounted throttle control lever used to
control speed of engine.
• Choke Lever - Set choke lever to FULL CHOKE
position to start acold engine.
•Primer Button -Used to inject fuel directly into car
buretor manifold to insure fast starts in cool weather.
•Ignition Key - must be inserted into ignition key slot
to start engine. Pull out to stop. Do not turn ignition
key.
FIGURE 6
OIL FILL CAP/DIPSTICK
IGNITION KEY
OIL DRAIN PLUG
PRIMER BUTTON
THROTTLE CONTROL
LEVER
Starter Handle - This snowblower is equipped witha
recoil starter and an electric starter.
Snowblower Operating Controls
Refer to: Figure 8.
• Speed select lever allows the operator to use one of
six (6) forward
and two (2) reverse speeds. To shift,
move speed select lever to desired position.
NOTE: Do not move speed select lever while traction
drive clutch is engaged.
•Auger drive clutch - used to engage and disengage
the auger and impeller. To engage push down, to dis
engage release.
•Traction drive clutch - used to propel I snowblower
forward or reverse. Push down to engage, release to
disengage.
• Snowchute deflector - the distance snow will be
discharged can be adjusted by raising chute deflector
(Figure 7) for more distance, or lowering for less
distance
WING NUT
FIGURE 7
Loosen wing nut on the side of the snow chute de
flector to adjust. Tighten wing nut.
Crank -used to change direction of snow discharge.
Turn handle clockwise to turn chute to left. Turn han
dle counter clockwise to turn chute to right.
Height adjust skid - used to adjust ground clearance
of auger housing.
SNOW CHUTE
DEFLECTOR
AUGER DRIVE CLUTCH
TRACTION DRIVE CLUTCH
SPEED SELECT LEVER
CRANK ASSEMBLY
HEIGHT ADJ SKID
FIGURE 8

Weight Transfer System
y^K
FIGURE 9
In hard packed or heavy snow conditions, conventional
snowblowers tend to ride up and leave uneven mounds
of snow behind. For these conditions, your new tracked
snowblower has a unique weight transfer system.
Engaging the weight transfer pedal, shifts the weight of
the snowblower to the auger housing, keeping it in
contact with the ground and effectively reducing ride up.
In lighter conditions or for transport, disengage weight
transfer system.
DISENGAGED
ENGAGED
WEIGHT TRANSFER PEDAL
FIGURE 10
To engage weight transfer push down on pedal with
your foot. To release, pull up.
NOTE: Weight transfer system will not function if auger
housing height adjust skids are adjusted to the lowest
position.
Pre-Use Check of Snowblower
This snowblower is equipped with track drive and only
moves effectively when the engine is running.
If the snowblower must be moved without the aid of the
engine, it will be easier to pull the snowblower by the
handles rather than pushing.
On start up, the drive system may be tight and will
loosen up as the snowblower is used.
After first use, the track should be checked for tension
and adjusted if necessary. See track adjustment. Check
track adjustment and fasteners regularly. (Page 15)
Beforeservicing or startingthe engine, familiarize your
self with the snowblower. Be sure you understand the
function and location of all controls.
Ensure that all fasteners are tight.
To Service Engine
The engine on this snowblowerwas shipped withNO
OIL Oil must be added before engine is started.
1. Remove oil fil cap/dipstick (Figure 11) and fill crank-
case to FULLline on dipstick (about 1-1/4 pints) with
Sears S.A.E. 10W-30 motor oil (or equivalent). Do not
overfill.Tighten fill cap/dipsticksecurely each time
you check oil level. NOTE:Sears S.A.E. 5W-30motor
oil,(Sears stock number 2133531) may be substituted
in areas where temperature is consistently 20° F or
lower.
2. Fill gas tank with clean, fresh, lead-free grade auto
motive gasoline. Low-lead or regular gasoline isan
acceptable substitute. NOTE: Do not use Ethyl, high
octane gasoline or Gasohol. Be certain container is
clean and free from rust or other foreign particles.
Never use gasoline that may be stale from long
periods of storage in the container. CAUTION: DO
NOT use gasoline containing any amount of alcohol
as if can cause serious damage or significantly re
duce performance.
A DANGER A
Gasoline is flammable and caution must be used when
handling or storing it. -Do not fill fuel tank while snow
blower is running, hot, or when snowblower is in an
enclosed area. Keep away from open flame, electrical
spark, and DO NOT SMOKE while filling the fuel tank.
Never fill fuel tank completely; but fill the tank to within
1/4-1/2 inch from the top to provide space for expansion
of fuel. Always fill fuel tank outdoors and use afunnel or
spout to prevent 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 place on the container. Keep gasoline in a
cool, well ventilated place; never in the house. Never buy
more than a 30 day supply of gasoline to assure volatility.
Gasoline is intended to be used as a fuel for internal
combustion engines; therefore, do not use gasoline for
any other purpose. Since many children like the smell of
gasoline,
keep it out of their reach because the fumes
are dangerous to inhale, as well as being explosive.
3. Check to make sure that spark plug is tightened se
curely into engine and spark plug wire is attached to
spark plug. If torque wrench is available, torque plug
to 15 pounds.

To Start Engine
Be sure that engine has sufficient oil.
Beforestarting engine, be certain thatyou have read and
followed allthe instructions on the preceding pages.
Cold Engine Start
(Engine has not been run recently.)
Using Recoil Starter
1. Be sure auger drive clutch and traction drive clutch
are in the disengaged position. "RELEASED".
2. Move throttle control (UP) to "FAST" position. Insert
key into ignition slot. Be sure it snaps into place
(Figure 11).
3. Rotate choke knob to "FULL" choke position. NOTE:
Do not choke a warm engine. (See Warm Engine
Start.)
4.
Push primer button (Figure 11)2 times. NOTE: Do
not prime a warm engine. (See Warm Engine Start.)
5. Pull starter handle (Figure 11) 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 tempera
ture.
7. Run engine at or near top speed.
8. To stop engine, move throttle control lever to stop
position.
Using 120V Electric Starter
NOTE: Do
not use pre-starting primer when using 120
volt electric starter.
1. Be sure impellerdrive clutch and traction drive clutch
are in the disengaged position. "RELEASED".
2. Move throttle control (UP) to "FAST" position. Insert
key into ignition slot. Be sure it snaps into place
(Figure 11).
3. Rotate choke knob to "FULL" choke position. NOTE:
Do not choke a warm engine. (See Warm Engine
Start).
4. Connect power cord to switchbox. (See Figure 11.)
5. Plug other end of power cord into a three hole,
grounded 120V, AC receptacle.
6. Push starter button (see Figure 11) to engage starter
motor and crank engine.
7. Move choke on engine to "Full" while cranking
engine.
NOTE: This electric starter is thermally protected. If over
heated it will stop automatically, and can be restarted
only when it has cooled to a safe temperature. (A wait of
about 5 to 10 minutes is required.)
8. When engine starts, release starter button and move
choke gradually to "Off".
9. Disconnect power cord from receptacle, first, and
then from switchbox.
10. Run engine at or near top speed.
11. To stop engine, move throttle control lever to stop
position.
OIL FILL CAP/DIPSTICK
PRIMER BUTTON
STARTER HANDLE
STARTER BUTTON
SWITCHBOX
IGNITION KEY
POWER CORD
THROTTLE CONTROL LEVER
CHOKE
FIGURE 11
Warm Engine Start
(Engine still warm from recent running.)
To start a warm engine, proceed as cold engine start
BUT BE SURE CHOKE IS IN THE "OFF" POSITION.
DO NOT USE PRIMER BUTTON.
If engine fails to start after a reasonable number of
starting attempts, rotate choke knob to "FULL" choke
position and repeat starting instructions.
When engine starts, rotate choke knob gradually to "off"
position.
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 arm stroke three or four times. Pull
ing of starter rope will produce a loud clattering
sound. This is not harmful to the engine or starter.
2. With engine not running, wipe all snow and moisture
from carburetor cover in area of control levers. Also
move control levers backward and forward several
times.
To help prevent possible freeze-up of electric starter due
to extreme snow blowing conditions, proceed as follows:
1. Connect power cord to switchbox first, and then to
120 volt AC receptacle.
2. With engine running, push starter button and spin
starter motor for several seconds. NOTE: The
unusual sound produced by the spinning starter
motor is not harmful to engine or starter motor.
3. Disconnect power cord from receptacle, first and
then from switchbox.
IMPORTANT: After each use of the snowblower, stop
the engine, remove the ignition key, remove all accumu
lated snow from the snowblower and wipe clean. Store
the snowblower in a protected area.
DO NOT LOSE IGNITION KEY!
KEEP IT IN A SAFE PLACE.
/^^k

c
Snowblower Operation
The most effective use of the snowblower will be estab
lished by experience, taking into consideration the ter
rain,wind conditions and building location which will
determine the direction of the discharge chute. NOTE:
Donot blow snow towards a building as hidden objects
could be blown withsufficientforce to cause damage.
1. Start the engine as described in paragraph To Start
Engine.
ENGINE WILL NOT START
UNLESS IGNITION KEY IS
INSERTED INTO IGNITION
SLOT IN CARBURETOR COVER.
DO NOT TURN IGNITION KEY.
o
IGNITION KEY
2. Adjust snow chute deflector.
3. Using crank, position the discharge chute to dis
charge 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
the speed you desire by moving the speed selector into
the appropriate coloured area on the control panel.
Red - Wet, Heavy, Slushy, Extra Deep
Amber - Moderate
White - Very Light
Green -
Transport Only
For additional
operating instructions see "OPERATING
TIPS" page 17.
5. Engage auger drive clutch (right hand).
IMPORTANT: Besurefront of unit is clearof bystand
ers or obstacles before operating.
AUGER
DRIVE CLUTCH
FIGURE 12
TRACTION
DRIVE CLUTCH
6. Engage traction drive clutch (left hand) as the snow
blower 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
(left hand).
8. To stop auger, release auger drive clutch (right hand).
9. To move the snowblower backwards, move speed
select lever into first or second reverse and engage
drive traction clutch (left hand). To stop, release drive
traction clutch.
FIGURE 13
For added traction, your new tracked snowblower is
equipped with dual drive, independently pivoting tracks.
This allows one track to stay in full contact with the
ground when going over hard packed snow or bumps.
A DANGER A
Never run engine indoorsor in enclosed, poorly ventHated
areas. Engine exhaust contains CARBON MONOXIDE,
an ODORLESS and DEADLY GAS.
Keep hands, feet, hair and loose clothing away from any
moving parts on engine and snowblower.
WARNING - Temperature of muffler ahd nearby areas
may exceed 150° F. Avoid these areas.
DO
NOT allow children or young teenagers to operate
or
be near snowblower while it is operating.
A DANGER A
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 to STOP position.
3. Remove ignition key.
4. Disconnect spark plug wire.
5. Do not place your hands in the auger or discharge
chute. Use apry bar.

MAINTENANCE
Some adjustments will need to be made periodicallyto
property maintain your snowblower.
All adjustments in ADJUSTMENT/REPAIRS section of
this manual should be checked at least once each
season. The followingadjustmentsshould be performed
more than once each season.
Auger and Traction Drive Belts -After first 2 to 4 hours
of use and again about mid-season. Twice each season
thereafter. See Belt Adjustment page 12.
AllScrews and Nuts - Should be checked often, prefer
ably after each use.
Engine and Snowblower- Lubricate as instructed in fol
lowing lubricationparagraph and lubricationpoints.
Lubrication
Forlubrication points, frequency of lubrication and type
of lubricant, see Lubrication Points.
1. Check crankcase oil level before starting engine and
after each 5 hours of continuous use. Add Sears
S.A.E. 10W30 motor oil or equivalent. Tighten fill
cap/dipstick securely each time you check oil level.
NOTE: Sears S.A.E. 5W-30 motor oil (Sears stock
number II33531) may be substituted in areas where
temperature is consistently 20° F or lower.
NOTE: Oil level must be between full and add mark.
Change Oil- Afterfirsttwo hoursof operation and every
twenty-five hours thereafter or at least once a year ifthe
snowblower is not used for twenty-five hours.
To Drain Oil - Position snowblower so that the oil drain-
plug is lowest point on engine. Remove oil drain plug
and oil fill cap and drain oil into a suitable container
(Figure 14).
NOTE: Oilwilldrainmore freely when warm.
Replace oil drain plug and tighten securely. Refill crank
case with Sears S.A.E. 10W30 motor oil (or equivalent).
Sears S.A.E. 5W-30 motor oil (Sears stock number 21
33531) may be substituted in areas where temperature is
consistantly 20° F or lower.
OIL FILL CAP/DIPSTICK
/ PRIMER BUTTON
IGNITION KEY
CHOKE
OIL DRAIN PLUG THROTTLE CONTROL
COVER
FIGURE 14
STARTER
HANDLE
Lubrication Points
Chain and Sprockets
Oilchains and sprockets with Sears 10W30 oil (or equiva
lent) after 10 hours use and at end of each season.
FIGURE 15
Hex Shaft and Gears
Apply Sears SAE 10W30 oil (or equivalent) SPARINGLY
to gears and hex shaft before storage.
HEX SHAFT
GEARS
FRICTION DISC
DISC
DRIVE PLATE
FIGURE 16
CAUTION: Do not allow any oil to come in contact with
the friction disc or the disc drive plate: damage to rubber
drive wheel may result
Apply Sears 10W30 oil (or equivalent) to weight transfer
pivoM>efore storage.
WEIGHT TRANSFER PIVOT
WEIGHT TRANSFER PLATE
FIGURE 17
Coat weight transfer plate with clinging type grease,
such as lubriplate every ten (10) hours and before
storage.
10