Craftsman 247.88045 User Manual
Operator’s Manual
45” SNOW THROWER
Model No. 247.88045
CAUTION: Before using
this product, read this
manual and follow all
safety rules and operating
instructions.
Sears, Roebuck and Co., Hoffman Estates, IL 60179, U.S.A.
Visit our website: www.craftsman.com
• SAFETY
• ASSEMBLY
• OPERATION
• MAINTENANCE
• PARTS LIST
• ESPAÑOL
FORM NO. 769-03349
8/28/2007
TABLE OF CONTENTS
Warranty Statement ..................................Page 2
Safe Operation Practices .........................Pages 3-4
Safety Labels ............................................Page 5
Assembly ..................................................Pages 6-9
Operation .................................................. Pages 10-13
Service and Maintenance .........................Pages 14-21
Off-Season Storage ..................................Page 22
Trouble Shooting ......................................Page 23
Parts List ...................................................Page 24-34
Repair Protection Agreement ................... Page 38
Español ..................................................... Page 39
Service Numbers ...................................... Back Cover
WARRANTY STATEMENT
Two -Year Limited Warranty on Craftsman Snow Thrower
When assembled, operated and maintained according to all supplied instructions, if this Craftsman product fails due to a defect in material or
workmanship within two years from the date of purchase, return it to any Sears store, Sears Parts & Repair Service Center or other Craftsman
outlet in the United States for free repair. In-home warranty service is available, but you will have to pay a trip charge.
This warranty covers only defects in material and workmanship. Sears will NOT pay for:
Expendable items which become worn during normal use, such as skid shoes, shave plate and spark plugs.
•
Repairs necessary because of operator negligence, including but not limited to, electrical and mechanical damage caused by improper
•
storage, bent crankshafts, failure to use the proper grade and amount of engine oil, or failure to maintain the equipment according to all
instructions contained supplied with the product.
Engine (fuel system) cleaning or repairs caused by fuel determined to be contaminated or oxidized (stale). In general, fuel should be used
•
within 30 days of its purchase date.
This warranty applies for only 90 days if this product is ever used for commercial or rental purposes.
This warranty applies only while this product is used in the United States.
This warranty gives you specific legal rights, and you may also have other rights which vary from state to state.
Sears, Roebuck and Co., Hoffman Estates, IL 60179
PRODUCT SPECIFICATIONS MODEL NUMBER
Engine Oil Type: SAE 5W-30
Engine Oil Capacity: 28 ounces
Fuel Capacity: 4 Quarts
Spark Plug: Champion® RJ19LM
Spark Plug Gap: .030”
Model Number .................................................................
Serial Number .................................................................
Date of Purchase .............................................................
Record the model number, serial number
and date of purchase above
© Sears Brands, LLC
2
SAFETY INSTRUCTIONS
WARNING
This symbol points out important safety instructions
which, if not followed, could endanger the personal
safety and/or property of yourself and others. Read
and follow all instructions in this manual before
attempting to operate this machine. Failure to comply with these
instructions may result in personal injury. When you see this symbol,
HEED ITS WARNING!
Your Responsibility: Restrict the use of this power machine to
persons who read, understand, and follow the warnings and instructions in this manual and on the machine.
TRAINING
Read, understand, and follow all instructions on the machine and in
•
the manual(s) before attempting to assemble and operate. Keep this
manual in a safe place for future and regular reference and for ordering
replacement parts.
Be familiar with all controls and their proper operation. Know how to stop
•
the machine and disengage them quickly.
Never allow children under 14 years old to operate this machine. Chil-
•
dren 14 years old and over should read and understand the operation
instructions and safety rules in this manual and should be trained and
supervised by a parent.
Never allow adults to operate this machine without proper instruction.
•
Thrown objects can cause serious personal injury. Plan your snow-
•
throwing pattern to avoid discharge of material toward roads, bystanders
and the like.
Keep bystanders, helpers, pets and children at least 75 feet from the
•
machine while it is in operation. Stop machine if anyone enters the area.
Exercise caution to avoid slipping or falling, especially when operating in
•
reverse.
DANGER
This machine was built to be operated according to the rules for
safe operation in this manual. As with any type of power equipment,
carelessness or error on the part of the operator can result in serious
injury. This machine is capable of amputating hands and feet and
throwing objects. Failure to observe the following safety instructions
could result in serious injury or death.
WARNING
Engine Exhaust, some of its constituents, and certain vehicle
components contain or emit chemicals known to State of California to
cause cancer and birth defects or other reproductive harm.
PREPARATION
Thoroughly inspect the area where the equipment is to be used. Remove all
doormats, newspapers, sleds, boards, wires and other foreign objects, which
could be tripped over or thrown by the auger/impeller.
Always wear safety glasses or eye shields during operation and while
•
performing an adjustment or repair to protect your eyes. Thrown objects
which ricochet can cause serious injury to the eyes.
•
Do not operate without wearing adequate winter outer garments. Do not
wear jewelry, long scarves or other loose clothing, which could become
entangled in moving parts. Wear footwear which will improve footing on
slippery surfaces.
Use a grounded three-wire extension cord and receptacle for all units
•
with electric start engines.
Adjust collector housing height to clear gravel or crushed rock surfaces.
•
Disengage all control levers before starting the engine.
•
Never attempt to make any adjustments while engine is running, except
•
where specifically recommended in the operator’s manual.
Let engine and machine adjust to outdoor temperature before starting to
•
clear snow.
Safe Handling of Gasoline
To avoid personal injury or property damage use extreme care in handling
gasoline. Gasoline is extremely flammable and the vapors are explosive.
Serious personal injury can occur when gasoline is spilled on yourself or your
clothes, which can ignite. Wash your skin and change clothes immediately.
Use only an approved gasoline container.
•
•
Extinguish all cigarettes, cigars, pipes and other sources of ignition.
Never fuel machine indoors.
•
Never remove gas cap or add fuel while the engine is hot or running.
•
•
Allow engine to cool at least two minutes before refueling.
Never over fill fuel tank. Fill tank to no more than ½ inch below bottom of
•
filler neck to provide space for fuel expansion.
•
Replace gasoline cap and tighten securely.
If gasoline is spilled, wipe it off the engine and equipment. Move
•
machine to another area. Wait 5 minutes before starting the engine.
•
Never store the machine or fuel container inside where there is an open
flame, spark or pilot light (e.g. furnace, water heater, space heater,
clothes dryer etc.).
Allow machine to cool at least 5 minutes before storing.
•
3
SAFETY INSTRUCTIONS
OPERATION
Do not put hands or feet near rotating parts, in the auger/impeller
•
housing or chute assembly. Contact with the rotating parts can amputate
hands and feet.
The auger/impeller control lever is a safety device. Never bypass its
•
operation. Doing so makes the machine unsafe and may cause personal
injury.
The control levers must operate easily in both directions and automati-
•
cally return to the disengaged position when released.
Never operate with a missing or damaged chute assembly. Keep all
•
safety devices in place and working.
Never run an engine indoors or in a poorly ventilated area. Engine
•
exhaust contains carbon monoxide, an odorless and deadly gas.
Do not operate machine while under the influence of alcohol or drugs.
•
Muffler and engine become hot and can cause a burn. Do not touch.
•
Exercise extreme caution when operating on or crossing gravel surfaces.
•
Stay alert for hidden hazards or traffic.
Exercise caution when changing direction and while operating on slopes.
•
Plan your snow-throwing pattern to avoid discharge towards windows,
•
walls, cars etc. Thus, avoiding possible property damage or personal
injury caused by a ricochet.
Never direct discharge at children, bystanders and pets or allow anyone
•
in front of the machine.
Do not overload machine capacity by attempting to clear snow at too fast
•
of a rate.
Never operate this machine without good visibility or light. Always be
•
sure of your footing and keep a firm hold on the handles. Walk, never
run.
Disengage power to the auger/impeller when transporting or not in use.
•
Never operate machine at high transport speeds on slippery surfaces.
•
Look down and behind and use care when backing up.
If the machine should start to vibrate abnormally, stop the engine,
•
disconnect the spark plug wire and ground it against the engine. Inspect
thoroughly for damage. Repair any damage before starting and operating.
Disengage all control levers and stop engine before you leave the
•
operating position (behind the handles). Wait until the auger/impeller
comes to a complete stop before unclogging the chute assembly, making
any adjustments, or inspections.
Never put your hand in the discharge or collector openings. Always
•
use the clean-out tool provided to unclog the discharge opening. Do
not unclog chute assembly while engine is running. Shut off engine
and remain behind handles until all moving parts have stopped before
unclogging.
Use only attachments and accessories approved by the manufacturer
•
(e.g. wheel weights, tire chains, cabs etc.).
If situations occur which are not covered in this manual, use care and
•
good judgment. Contact your Sears Service Center for assistance.
MAINTENANCE & STORAGE
Never tamper with safety devices. Check their proper operation
•
regularly. Refer to the maintenance and adjustment sections of this
manual.
Before cleaning, repairing, or inspecting machine disengage all control
•
levers and stop the engine. Wait until the auger/impeller come to a
complete stop. Disconnect the spark plug wire and ground against the
engine to prevent unintended starting.
Check bolts and screws for proper tightness at frequent intervals to keep
•
the machine in safe working condition. Also, visually inspect machine for
any damage.
Do not change the engine governor setting or over-speed the engine.
•
The governor controls the maximum safe operating speed of the engine.
Snow thrower shave plates and skid shoes are subject to wear and
•
damage. For your safety protection, frequently check all components
and replace with original equipment manufacturer’s (OEM) parts only.
“Use of parts which do not meet the original equipment specifications
may lead to improper performance and compromise safety!”
Check controls periodically to verify they engage and disengage
•
properly and adjust, if necessary. Refer to the adjustment section in this
operator’s manual for instructions.
Maintain or replace safety and instruction labels, as necessary.
•
Observe proper disposal laws and regulations for gas, oil, etc. to protect
•
the environment.
Prior to storing, run machine a few minutes to clear snow from machine
•
and prevent freeze up of auger/impeller.
Never store the machine or fuel container inside where there is an open
•
flame, spark or pilot light such as a water heater, furnace, clothes dryer
etc.
Always refer to the operator’s manual for proper instructions on
•
off-season storage.
Do not modify engine
To avoid serious injury or death, do not modify engine in any way. Tampering
with the governor setting can lead to a runaway engine and cause it to operate
at unsafe speeds. Never tamper with factory setting of engine governor.
Notice Regarding Emissions
Engines which are certified to comply with California and federal EPA emission
regulations for SORE (Small Off Road Equipment) are certified to operate on
regular unleaded gasoline, and may include the following emission control systems: Engine Modification (EM) and Three Way Catalyst (TWC) if so equipped.
4
SAFETY LABELS
KEEP AWAY FROM ROTATING IMPELLER
AND AUGER. CONTACT WITH IMPELLER OR
AUGER CAN AMPUTATE HANDS AND FEET
.
USE CLEAN-OUT TOOL TO UNCLOG
DISCHARGE CHUTE.
DISENGAGE CLUTCH LEVERS, STOP ENGINE ,
AND REMAIN BEHIND HANDLES UNTIL ALL
MOVING PARTS HAVE STOPPED BEFORE
UNCLOGGING OR SERVICING MACHINE.
TO AVOID THROWN OBJECTS INJURIES,
NEVER DIRECT DISCHARGE AT BYSTANDERS.
USE EXTRA CAUTION WHEN OPERATING ON
GRAVEL SURFACES.
READ OPERATOR'S MANUAL.
1.
2.
3.
4.
5.
DANGER
CLEAN -OUT TOOL
DANGER
AVOID INJURY FROM
ROTATING AUGER KEEP HANDS, FEET
AND CLOTHING AWAY.
DANGER
NEVER PUT HAND IN CHUTE. CONTACT WITH
ROTATING PARTS CAN AMPUTATE FINGERS
AND HANDS.
SHUT OFF ENGINE AND WAIT UNTIL AL L
MOVING PARTS HA VE STOPPED BEFORE
UNCLOGGING.
USE CLEAN-OUT TOOL OR WOODEN
UNCLOG DISCHARGE CHUTE.
STICK TO
5
ASSEMBLY
NOTE: References to right or left side of the snow thrower are
determined from behind the unit in the operating position (standing
directly behind the snow thrower, facing the handle panel).
REMOVING FROM CRATE
Remove screws from the bottom of the crate securing the sides,
1.
and ends of the shipping crate.
Lift off the top off of the crate and set out of the way of the
2.
assembly area.
Remove and discard plastic bag that covers unit.
3.
Remove any loose parts included with unit (i.e., Operator’s
4.
Manual, etc.).
Push down on the lower handle and pull unit back out of crate.
5.
Make certain the crate has been completely emptied before
6.
discarding it.
ASSEMBLY
Make certain the springs at the lower end of the auger and drive
1.
cables are securely hooked into their respective actuator
bracket before pivoting the handle upward.
a. Place the shift lever in the F6 position.
b. Remove the lower wing knob and carriage bolt from each
side of the upper handle. Pull up on upper handle as shown
in Fig. 1. Align upper handle with the lower handle. Again,
make certain the springs at the lower end of the auger and
drive cables are securely hooked into their respective
actuator bracket. Also, remove any rubber bands securing
the cables to the wing nuts.
2. a. Secure the upper handle and lower handle with the two wing
knobs and carriage bolts removed earlier.
b. Tighten the two wing knobs already installed in the upper
holes to firmly secure the upper handle and support tubes.
3. Align the upper and lower shift rods, then slide the shift rod
connector down over the end of the lower shift rod. Tap the
connector until the lower rod is completely through the connector.
See Fig. 2.
NOTE: If the connector is not properly assembled, the shift rod will
pivot and you will not be able to change speeds or direction.
Figure 1
Figure 2
NOTE: If the full range of speeds (forward and reverse) can not be
achieved, refer to the “Making Adjustments” section.
4. a. Cut the cable tie securing the chute assembly to the lower
chute crank rod for shipping purposes.
b. Remove the internal cotter pin from the upper chute crank.
Slide the upper chute crank into the sleeve on the lower
chute crank. See Fig. 3.
c. Align the hole in the upper chute crank with the hole in the
sleeve (If necessary, use a pair of pliers to assist in aligning
holes). Insert the internal cotter pin through the holes to
secure the chute crank. See Fig. 3.
Remove lock nuts and screws securing one of the flange keepers
5.
to the chute assembly.
a
b
Figure 3
6
ASSEMBLY
Place chute assembly onto chute base as shown in Fig. 4,
6.
making sure that the notches engage with the spiral end of chute
directional control.
Secure flange keeper removed earlier with lock nuts and screws.
7.
Tighten down nuts securing the other two flange keepers. See Fig. 5.
If not already done, slip the cables that run from the handle
8.
panel to the discharge chute into the cable guide located on top of
the engine. See Fig. 4.
If not already done, wrap the wire of the head lamp wire harness
9.
down the right handle until the wire can be plugged into the
engine alternator wire connector down on the engine.
Normally the cable ties holding the steering cables against the
10.
handle are loosely installed on each side of the lower handle at
the factory. Pull the cable ties tight to secure. Cut the excess
from the ends of cable ties.
The extension cord is fastened with a cable tie to the rear of the auger
housing for shipping purposes. Cut the cable tie and remove it before
operating the snow thrower.
SET-UP
Chute Clean-Out Tool
A chute clean-out tool is fastened to the top of the auger housing
with a mounting clip. See Fig. 6. The tool is designed to clear a chute
assembly of ice and snow. This item, along with the extension cord, is
fastened with a cable tie at the factory, which you were instructed to
cut in the previous section.
Figure 4
WARNING
Never use your hands to clear a clogged chute assembly. Shut
off engine and remain behind handles until all moving parts have
stopped before using the clean-out tool to clear the chute assembly.
Drift Cutters
Remove the two screws and lock nuts that secure each drift
1.
cutter, and remove them from the sides of the auger housing.
Turn the drift cutters around and position them as shown in Fig. 7
2.
to the outside of the auger housing.
Figure 5
Chute Clean-out Tool
Figure 7
Figure 6
7
ASSEMBLY
Attach the drift cutters with the screws and lock nuts removed
3.
earlier.
Tire Pressure
Before operating, check tire pressure. Refer to the tire sidewall for
exact tire manufacturer’s recommended or maximum psi.
NOTE: If the tire pressure is not equal in both tires, the unit may not
travel in a straight path and the shave plate may wear unevenly.
ADJUSTMENTS
Skid Shoes
The snow thrower skid shoes are adjusted upward at the factory for
shipping purposes. Adjust them downward, if desired, prior to operating the snow thrower.
CAUTION
It is not recommended that you operate this snow thrower on gravel
as it can easily pick up and throw loose gravel, causing personal
injury or damage to the snow thrower and surrounding property.
For close snow removal on a smooth surface, raise skid shoes
•
higher on the auger housing.
Use a middle or lower position when the area to be cleared is
•
uneven, such as a gravel driveway
Figure 8
NOTE: If you choose to operate the snow thrower on a gravel surface,
keep the skid shoes in position for maximum clearance between the
ground and the shave plate.
To adjust the skid shoes:
Loosen the six hex nuts (three on each side) and carriage bolts.
1.
Move skid shoes to desired position. See Fig. 8.
Chute Tilt Control
Auger
Control
Auger
Control
Cable
Shift Lever
Drive
Control
Drive
Control
Cable
Figure 9
8
ASSEMBLY
Make certain the entire bottom surface of skid shoe is against the
2.
ground to avoid uneven wear on the skid shoes.
Retighten nuts and bolts securely.
3.
Testing Auger Drive Control
WARNING
Prior to operating your snow thrower, carefully read and follow all
instructions below. Perform all adjustments to verify your snow
thrower is operating safely and properly.
When the auger control is released and in the disengaged “up” position, the cable should have very little slack, but should NOT be tight.
In a well-ventilated area, start the snow thrower engine as
1.
instructed in the Operation section. Make sure the throttle is set in
the fast position .
While standing in the operator’s position (behind the snow
2.
thrower), engage the auger control and allow the auger to remain
engaged for approximately ten seconds before releasing the
auger control. Repeat this several times.
With the engine running in the fast position and the auger
3.
control in the disengaged “up” position, walk to the front of the
machine. Confirm that the auger has completely stopped rotating
and shows no signs of motion.
If the auger shows any signs of rotating, immediately return to the
4.
operator’s position and shut off the engine. Wait for all moving
parts to stop before readjusting the auger control cable.
Testing Drive Control & Shift Lever
Refer to Fig. 9 for location of controls.
Move the shift lever into sixth (6) position.
1.
With the wheel drive control released, push the snow thrower
2.
forward, then pull it back. The machine should move freely.
Engage the drive control and attempt to move the machine both
3.
forward and back, resistance should be felt.
Move the shift lever into the fast reverse (R2) position and repeat
4.
the previous two steps.
If you experienced resistance rolling the unit, either when repositioning
the shift lever from 6 to R2 or when attempting to move the machine
with the drive control released, adjust the drive control immediately.
See Adjusting Drive and Auger Controls.
Figure 10
Figure 11
Adjusting Drive and Auger Controls
From beneath the handle, pull downward on the appropriate cable
1.
and unhook the spring found on the end of the cable from its
respective actuator bracket. Refer to Fig.s 9 and 10.
Slide the spring up the cable to expose the cable coupler threads
2.
and lock nut. Refer to Fig. 11.
If adjusting the drive cable, thread the lock nut outward (down the
3.
coupler) to lengthen the cable and allow the unit to move freely
when the control is released. Thread the lock nut inward (up the
coupler) to shorten the cable to reduce slippage and prevent the
machine from being easily moved with the drive control engaged.
If adjusting the auger cable, thread the lock nut down to lengthen
4.
the cable as necessary to stop the auger from turning when the
control is released.
WARNING
Do not over-tighten the cable. Over-tightening may prevent the auger
from disengaging and compromise the safety of the snow thrower.
5.
Reattach the spring to the
Repeat the wheel drive and auger control tests to verify proper
6.
adjustment. Repeat previous steps if necessary to attain proper
adjustment of each cable.
9
rearmost hole in the actuator bracket.
OPERATION
Drive Control
Drift
Cutters
Assembly
Augers
Oil Fill
Chute
Gas Cap
Headlight
Clean-Out
Tool
Ignition
Key
Choke
Control
Throttle
Control
Shift Lever
Two-Way
Chute Control™
Auger Control
Wheel Steering
Control
Chute Directional
Control
Engine Controls
Electric Starter
Switch
Primer
Bulb
Recoil Starter
Handle
Figure 11
Now that you have setup your snow thrower, it’s important to become
acquainted with its controls and features. Refer to Figure 11.
SHIFT LEVER
The shift lever is located on the right side of the handle panel.
Place the shift lever into any of eight positions to control the
direction of travel and ground speed.
Forward
Your snow thrower has six forward (F) speeds. Position one (1) is
the slowest and position six (6) is the fastest.
Reverse
Your snow thrower has two reverse (R) speeds. One (1) is the
slower and two (2) is the faster.
IGNITION KEY
The ignition key is a safety device. It must be fully inserted in order for
the engine to start. Remove the ignition key when the snow thrower is
not in use.
Skid Shoe
NOTE: Do not turn the ignition key in an attempt to start the engine.
Doing so may cause it to break.
CHOKE CONTROL
The choke control is found on the rear of the engine and is activated
by rotating the knob clockwise. Activating the choke control closes the
choke plate on the carburetor and aids in starting the engine.
PRIMER
Depressing the primer forces fuel directly into the engine’s carburetor
to aid in cold-weather starting.
OIL FILL
Engine oil level can be checked and oil added through the oil fill.
Meets ANSI Safety Standards
Craftsman Snow Throwers conform to the safety standard of the American National Standards Institute (ANSI).
10
OPERATION
THROTTLE CONTROL
The throttle control is located on the rear of the engine.
It regulates the speed of the engine and will shut off the
engine when moved into the STOP position.
SKID SHOES
Position the skid shoes based on surface conditions. Adjust
upward for hard-packed snow. Adjust downward when
operating on gravel or crushed rock surfaces.
RECOIL STARTER HANDLE
This handle is used to manually start the engine.
ELECTRIC STARTER BUTTON
Pressing the electric starter button engages the engine’s
electric starter when plugged into a 120V power source.
ELECTRIC STARTER OUTLET
Requires the use of a three-prong outdoor extension cord (included)
and a 120V power source/wall outlet.
AUGERS
When engaged, the augers rotate and draw snow into the auger
housing.
CHUTE ASSEMBLY
Snow drawn into the auger housing is discharged out the chute
assembly.
DRIVE CONTROL/ AUGER CONTROL LOCK
DRIVE
CONTROL
GO
The drive control is located on the right handle. Squeeze the control
grip against the handle to engage the wheel drive. Release to stop.
The drive control also locks the auger control so you can operate
the chute directional control without interrupting the snow throwing
process. If the auger control is engaged simultaneously with the drive
control, the operator can release the auger control (on the left handle)
and the augers will remain engaged. Release both controls to stop the
augers and wheel drive.
NOTE: Always release the drive control before changing speeds.
Failure to do so will result in increased wear on your machine’s drive
system.
TWO-WAY CHUTE CONTROL™
The distance snow is thrown can be changed by adjusting the angle
of the chute assembly. Move the chute control forward to decrease the
distance, toward the rear to increase.
GAS CAP
Unthread the gas cap to add gasoline to the fuel tank.
AUGER CONTROL
AUGER
CONTROL
GO
The auger control is located on the left handle. Squeeze the control
grip against the handle to engage the augers and start snow throwing
action. Release to stop.
CHUTE DIRECTIONAL CONTROL
The chute directional control is located on the left side of the snow
thrower.
To change the direction in which snow is thrown, crank clockwise
•
to discharge to the left and counterclockwise to discharge to the
right.
WHEEL STEERING CONTROLS
The left and right wheel steering controls are located on the underside
of the handles. Squeeze the right control to turn right; squeeze the left
control to turn left.
NOTE: Operate the snow thrower in open areas until you are familiar
with these controls.
HEADLIGHT
The headlight is located on top of the handle panel. It may be adjusted
by loosening the screws on each side of the light housing, pivoting the
light up or down, and retightening the screws.
DRIFT CUTTERS
The drift cutters are designed for use in deep snow. Their use is
optional for normal snow conditions.
11
OPERATION
CLEAN-OUT TOOL
WARNING
Never use your hands to clear a clogged chute assembly. Shut
off engine and remain behind handles until all moving parts have
stopped before unclogging.
The chute clean-out tool is conveniently fastened to the rear of the
auger housing with a mounting clip. Should snow and ice become
lodged in the chute assembly during operation, proceed as follows to
safely clean the chute assembly and chute opening:
Release both the Auger Control and the Drive Control.
1.
Stop the engine by removing the ignition key.
2.
Remove the clean-out tool from the clip which secures it to the
3.
rear of the auger housing.
Use the shovel-shaped end of the clean-out tool to dislodge and
4.
scoop any snow and ice which has formed in and near the chute
assembly.
Refasten the clean-out tool to the mounting clip on the rear of
5.
the auger housing, reinsert the ignition key and start the snow
thrower’s engine.
While standing in the operator’s position (behind the snow
6.
thrower), engage the auger control for a few seconds to clear any
remaining snow and ice from the chute assembly.
BEFORE STARTING ENGINE
WARNING
Read, understand, and follow all instructions and warnings on the
machine and in this manual before operating.
Oil
The unit was shipped with oil in the engine. Check oil level before each
operation to ensure adequate oil in the engine. For further instructions,
refer to the steps on page 16.
Remove the dipstick from the oil fill.
1.
Check and make sure that the level of oil is up to the FULL mark
2.
on the dipstick.
If the oil level is not up to FULL, pour fresh motor oil (5W-30, with
3.
a minimum classification of SL/SJ) slowly through the opening.
Replace oil fill dipstick and check oil level again.
Gasoline
WARNING
Use extreme care when handling gasoline. Gasoline is extremely
flammable and the vapors are explosive. Never fuel the machine
indoors or while the engine is hot or running. Extinguish cigarettes,
cigars, pipes and other sources of ignition.
Store gasoline in a clean, approved container and keep the cap in
•
place on the container.
Make sure that the container from which you pour the gasoline is
•
clean and free from rust or other foreign particles.
NOTE: A plastic dust cap may be found inside the fuel fill opening.
Remove and discard, if present.
Always fill the fuel tank outdoors and use a funnel or spout to
•
prevent spilling.
Fill fuel tank with clean, fresh, unleaded gasoline.
•
Never fill the fuel tank completely. Fill the tank to within 1/2” from
•
the top to provide space for expansion of fuel.
Make sure to wipe off any spilled fuel before starting the engine.
•
STARTING THE ENGINE
Attach spark plug wire to spark plug. Make certain the metal
1.
loop on the end of the spark plug wire (inside the rubber boot) is
fastened securely over the metal tip on the spark plug.
Make certain both the auger control and drive control are in the
2.
disengaged (released) position.
Move throttle control up to FAST position. Insert ignition key
3.
into slot. Make sure it snaps into place. Do not attempt to turn the
key.
NOTE: The engine cannot start without the key is fully inserted into the
ignition switch.
Electric Starter
Determine that your home’s wiring is a three-wire grounded system.
Ask a licensed electrician if you are not certain.
WARNING
The optional electric starter is equipped with a grounded three-wire
power cord and plug, and is designed to operate on 120 volt AC
household current. It must be used with a properly grounded threeprong receptacle at all times to avoid the possibility of electric shock.
Follow all instructions carefully prior to operating the electric starter.
If you have a grounded three-prong receptacle, proceed as follows:
Plug the extension cord into the outlet located on the engine’s
1.
surface. Plug the other end of extension cord into a three-prong
120-volt, grounded, AC outlet in a well-ventilated area.
Rotate choke control to FULL choke position (for a cold
2.
engine start).
NOTE: If the engine is already warm, place choke control in the OFF
position instead of FULL .
3. Push the primer two or three times for cold engine start, making
sure to cover vent hole in the center of the primer when pushing.
NOTE: DO NOT use primer to restart a warm engine after a short
shutdown.
4. Push starter button to start engine.
NOTE: Do not hold the button down for longer than seven (7) seconds
at a time. Doing so may damage your engine’s electric starter.
12
OPERATION
5. Once the engine starts, release starter button.
6. As the engine warms, slowly rotate choke control to the OFF
position. If the engine falters, quickly rotate choke control back to
FULL then slowly into the OFF position again.
7. When disconnecting the extension cord, always unplug the end
at the three-prong wall outlet before unplugging the opposite end
from the snow thrower.
Recoil Starter
Rotate choke control to FULL choke position (cold engine
1.
start).
NOTE: If the engine is already warm, place choke control in the OFF
position instead of FULL .
2. Push the primer two or three times for cold engine start, making
sure to cover vent hole in the center of the primer when pushing.
NOTE: DO NOT use primer to restart a warm engine after a short
shutdown.
NOTE: Additional priming may be necessary if the temperature is
below 15° Fahrenheit.
3. Grasp the recoil starter handle and slowly pull the rope out. At the
point where it becomes slightly harder to pull the rope, slowly
allow the rope to recoil.
4. Pull the starter handle with a firm, rapid stroke. Do not release
the handle and allow it to snap back. Keep a firm hold on the
starter handle and allow it to slowly recoil.
5. As the engine warms, slowly rotate the choke control to the OFF
position. If the engine falters, quickly rotate the choke control
back to the FULL position and then slowly into the OFF
position again.
NOTE: When selecting a Drive Speed, use the slower speeds until
you are comfortable and familiar with the operation of the snow
thrower.
2. Squeeze the drive control against the handle the snow thrower
will move. Release it and drive motion will stop.
NOTE: NEVER reposition the shift lever (change speeds or direction
of travel) without first releasing the drive control and bringing the snow
thrower to a complete stop. Doing so will result in premature wear to
the snow thrower’s drive system.
TO ENGAGE AUGERS
1.
To engage the augers and start throwing snow, squeeze the
auger control against the left handle. Release to stop the augers.
REPLACING SHEAR PINS
The augers are secured to the spiral shaft with two shear pins and cotter pins. If the auger should strike a foreign object or ice jam, the snow
thrower is designed so that the shear pins may shear. If the augers will
not turn, check to see if the pins have sheared. See Figure 12.
CAUTION
NEVER replace the auger shear pins with anything other than OEM
Part No. 738-04124A replacement shear pins. Any damage to the
auger gearbox or other components as a result of failing to do so will
NOT be covered by your snow thrower’s warranty.
WARNING
Always turn off the snow thrower’s engine and remove the key prior to
replacing shear pins.
NOTE: Allow the engine to warm up for a few minutes after starting.
The engine will not develop full power until it reaches operating
temperatures.
STOPPING THE ENGINE
Run engine for a few minutes before stopping to help dry off any
moisture on the engine.
STOP
1.
Move throttle control to STOP
Remove the ignition key and store in a safe place.
2.
Wipe all snow and moisture from the area around the engine as
3.
well as the area in and around the drive control and auger control.
Also, engage and release both controls several times.
position.
TO ENGAGE DRIVE
With the throttle control in the Fast position, move shift lever
1.
into one of the six forward (F) positions or two reverse (R)
positions. Select a speed appropriate for the snow conditions and
a pace you’re comfortable with.
Figure 12
13
SERVICE AND MAINTENANCE
ENGINE MAINTENANCE
WARNING
Before lubricating, repairing, or inspecting, disengage all controls
and stop engine. Wait until all moving parts have come to a complete
stop.
Checking Engine Oil
Be sure engine is upright and level
1.
Unscrew oil fill cap from oil filler tube and wipe dipstick clean.
2.
Screw oil fill cap back into oil filler tube. Tighten securely.
3.
Unscrew and remove oil fill cap from oil filler tube. Note oil level.
4.
If oil reading on dipstick is below “ADD” mark, slowly add oil to
reach “FULL” level. See Figure 13.
Screw oil fill cap back into oil filler tube. Tighten securely.
5.
Wipe away any spilled oil.
6.
Changing Engine Oil
To avoid engine damage, it is important to:
Check oil level before each use and every five operating hours.
•
Change oil after first two (2) operating hours and every 25 operat-
•
ing hours thereafter.
Engine should still be warm but not hot from recent use.
•
Locate the oil drain plug. See Figure 14.
1.
Be sure the gas cap is on and is tightened securely.
2.
Clean area around oil drain plug.
3.
Place approved recyclable oil container under oil drain plug.
4.
Remove oil drain plug and drain oil.
5.
FULL
Maintain oil level
between FULL and ADD
ADD
Figure 13
Oil FIll
NOTE: Used oil must be disposed of at a proper collection center.
6. Install oil drain plug and tighten securely.
7. Refill the engine with recommended oil. See Recommended Oil
Usage chart. The engine’s oil capacity is 28 ounces.
Recommended Oil Usage
Non-Multi Grade
SAE 30
Multi Grade
SAE 5W-30 or SAE 10W-30
Synthetic Multi Grade
SAE 0W-30
-30 C
O
-20 C
0 F
O
O
-20 F
O
-10 C
O
20 F
O
32 FO 32 F
O
0 C
O
10 C
O
20 C
O
80 F
O
60 F
O
O
40 F
30 C
O
100 F
O
40 C
O
8. Wipe away any spilled oil.
Oil Drain
Figure 14
14
SERVICE AND MAINTENANCE
Checking Spark Plug
Check spark plug yearly or every 100 operating hours
Clean area around spark plug.
1.
Remove and inspect spark plug.
2.
Replace spark plug if porcelain is cracked or if electrodes are
3.
pitted, burned or fouled with deposits
Check electrode gap with a feeler gauge and set gap to .030
4.
(0.76mm) if necessary. See Figure 15.
Reinstall spark plug and tighten securely.
5.
NOTE: A resistor spark plug must be used for replacement. Contact a
Sears Parts and Repair Center for a replacement spark plug.
Carburetor
If you suspect your carburetor needs adjusting, see a Sears Parts and
Repair Center. Engine performance should not be affected at altitudes
up to 7,000 feet (2,134 meters). For operation at higher elevations,
contact a Sears Parts and Repair Center.
Engine Speed
WARNING
Avoid serious injury or death, DO NOT modify engine in any way.
Tampering with the governor setting can cause the engine and
equipment to operate at unsafe speeds. NEVER tamper with factory
setting of engine governor. Running the engine faster than the speed
set at the factory is dangerous.
2
1. .030 (.76 mm) Gap
2. Electrodes
3. Porcelain
3
1
Figure 15
LUBRICATION
Drive and Shifting Mechanism
At least once a season or after every 25 hours of operation, remove
rear cover. Lubricate all chains, sprockets, gears, bearings, shafts, and
the shifting mechanism. Use engine oil or a spray lubricant. Refer to
Figure 16.
NOTE: Be careful not to get any oil on the aluminum drive plate or
rubber friction wheel. Doing so will hinder the snow thrower’s drive
system. Wipe off any excess or spilled oil.
Wheels
At least once a season, remove both wheels. Clean and coat the axles
with a multipurpose automotive grease before reinstalling wheels.
Chute Directional Control
Once a season, lubricate the eye bolt bushing and the spiral with
3-in-1 oil.
Auger Shaft
At least once a season, remove the shear pins on auger shaft. Spray
lubricant inside shaft, and around the spacers and flange bearings
found at either end of the shaft. See Figure 17.
Figure 16
15
Figure 17
SERVICE AND MAINTENANCE
SHAVE PLATE AND SKID SHOES
The shave plate and skid shoes on the bottom of the snow thrower are
subject to wear. They should be checked periodically and replaced
when necessary.
Skid Shoes
NOTE: The skid shoes on this machine have two wear edges. When
one side wears out, they can be rotated 180° to use the other edge.
Remove the six carriage bolts and hex nuts that secure the two
1.
skid shoes to the sides of the auger housing. Refer to Figure 18.
Position the new skid shoes and secure with the carriage bolts
2.
and hex nuts. Make certain the skid shoes are adjusted to be
level.
Shave Plate
Remove the hex nuts and carriage bolts that secure the shave
1.
plate to the bottom of the housing.
Remove the rear most hex nut and carriage bolt securing the back
2.
of each skid shoe to the sides of the housing. Loosen the four
remaining hex nuts securing the skid shoes.
Slide the shave plate out of the off-set slot at the bottom of the
3.
housing, and from between the skid shoes and side panels of the
housing.
With the mounting holes toward the back, slide the new shave
4.
plate into position and secure with the fasteners removed
previously.
Figure 18
ADJUSTMENTS
Shift Rod
If the full range of speeds (forward and reverse) cannot be achieved,
refer to the figure to the left and adjust the shift rod as follows:
Looking underneath the handle panel, note which of the three
1.
holes in the shift lever the ferrule is inserted into. Also note the
direction of insertion. Then remove the internal cotter pin and flat
washer from the ferrule and withdraw the ferrule from the shift
lever. See Figure 19.
Place shift lever in sixth (6) position or fastest forward speed.
2.
Push shift rod and shift arm assembly down sharply as far as it
3.
will go to put the drive into the fastest forward position.
As necessary, rotate the ferrule up or down the shift rod until the
4.
ferrule lines up with the hole from which it was earlier removed.
See Figure 19.
From the direction noted earlier, insert the ferrule into the proper
5.
hole.
Reinstall the washer and the internal cotter pin.
6.
Chute Control
The distance snow is thrown can be adjusted by adjusting the angle of
the chute assembly. Refer to the Operation section for instructions.
The remote chute control cables have been pre-adjusted at the factory.
Move the remote chute lever on the control panel forward to pivot the
upper chute down; move the lever rearward to pivot the upper chute
up.
Figure 19
16
SERVICE AND MAINTENANCE
Drive Control
Refer to the Adjustment section of the Assembly instructions to adjust
the drive control. To further check the adjustment, proceed as follows:
With the snow thrower tipped forward (be certain to drain gasoline
1.
or place plastic film under the gas cap if the snow thrower has
already been operated), remove the frame cover underneath the
snow thrower by removing the self-tapping screws.
Locate the opening between the axle support bracket and
2.
the front frame support (See Figure 20). Looking through this
opening, with the drive control released, there must be clearance
between the friction wheel and the drive plate in all positions of
the shift lever.
With the drive control engaged, the friction wheel must contact
3.
the drive plate. See Figure 20.
If there is no friction wheel clearance, or the friction wheel does
4.
not solidly contact the drive plate, re-adjust the lock nut on the
lower end of the drive cable following the instructions in the
Assembly section.
Reassemble the frame cover.
5.
NOTE: If you placed plastic film under the gas cap earlier, remove it
now.
Friction
Wheel
Drive
Plate
Figure 20
Axle Supp.
Brkt.
Opening
Chute Bracket
If the spiral at the bottom of the chute directional control is not fully
engaging with the chute assembly, the chute bracket can be adjusted.
To do so:
Loosen the two nuts which secure the chute bracket and reposi-
1.
tion it slightly. See Figure 21.
Retighten the nuts.
2.
Auger Control
Refer to the Assembly section for instructions on adjusting the auger
control cable.
Skid Shoes
Refer to the Assembly section for instructions on adjusting the skid
shoes.
BELT REPLACEMENT
Belt Removal Preparation
Disconnect the chute crank assembly at the discharge chute end
1.
by removing the hairpin clip and the flat washer. Refer to Figure
22.
Figure 21
17
Figure 22
SERVICE AND MAINTENANCE
Remove the plastic belt cover, located near the engine, by remov-
2.
ing the three self-tapping screws that secure it. See Figure 23.
Loosen the bolt shown in Figure 24 securing the belt keeper
3.
bracket and remove the other bolt. Push the belt keeper and
bracket up off the engine pulley. See Figure 24.
Auger Belt Replacement
Remove the hairpin clip and flat washer from the ferrule in order
1.
to disconnect the auger idler rod from the brake bracket assembly. See Figure 25.
NOTE: Make sure that the location of the ferrule on the auger
idler rod is maintained.
Slip the auger control belt (the front belt) off the engine pulley.
2.
Pull the brake bracket assembly towards the cable guide roller
3.
and unhook the auger cable “Z” fitting. See Figure 26.
From both sides of the the frame assembly, use a 1/2” wrench to
4.
remove the three hex tap screws securing the frame to the auger
housing assembly. Refer to Figure 22 on previous page.
NOTE: Do not remove the lower hex flange lock nut on each side.
Place a block of wood underneath the auger housing as shown in
5.
Figure 27 and separate auger housing from the frame by tilting the
housing forward and pulling up the handles.
Block the impeller with a piece of wood to prevent it from spinning
6.
and use a 1/2” wrench to remove the hex screw and flat washer
from the center of the pulley on the auger housing. See Figure 28.
Lift the brake bracket assembly out of the pulley groove and slide
7.
the pulley assembly off the posts of the auger pulley adapter to
remove the old belt. Refer to Figure 28.
Remove
Loosen
Figure 24
Figure 23
Figure 25
Figure 26
18
SERVICE AND MAINTENANCE
NOTE: The pulley adapter may slide off the auger input shaft when
removing the pulley. Use extra caution to ensure the adapter does fall
and/or get damaged when removing the pulley.
8. Place the new auger belt in the V-groove of the auger pulley and
place the pulley w/belt inside the belt keepers.
9. Turn the pulley as necessary to align its three slots approximately
with the posts of the pulley adapter, then move the brake bracket
assembly away from the input shaft. While aligning the pulley
slots and adapter posts, push the auger pulley fully onto the
adapter. Refer to Figure 28.
NOTE: If the pulley adapter was removed with the pulley, align the
splines of the pulley adapter and auger input shaft, and push the pulley
and adapter onto the input shaft. Refer to Figure 28.
10. Slide the washer onto the hex screw removed earlier and apply
Loctite 262 to the threads of the hex screw.
11. Insert the hex screw through the pulley assembly and into the
threads of the input shaft. Torque the hex screw to 250-325 in.
/lbs. to secure the auger pulley assembly on the input shaft.
12. If also replacing the drive belt, proceed to the “Drive Belt”
instruction. If not, reposition the transmission frame back onto
the auger housing. Install the drive belt on the engine pulley,
re-connect the auger cable “Z” fitting and auger idler rod ferrule
to the brake bracket. Reposition and secure the engine pulley
belt guard, and re-install the belt cover.
NOTE: Make sure to remove the piece of wood blocking the impeller.
Check the auger drive belt adjustment. With the auger clutch lever
in the disengaged position, the top surface of the new belt should be
even with the outside diameter of the pulley.
To adjust, disconnect ferrule from brake bracket assembly. Thread
ferrule in (towards idler) to increase tension on belt, or out to decrease
belt tension.
NOTE: The brake puck must always be firmly seated in the pulley
groove when auger control is disengaged.
IMPORTANT: Repeat the “Auger Drive Control Test” from the Assembly section before operating snow thrower.
Figure 27
B
C
Adapter Post
Pulley Slot
A
Figure 28
3
1b
Drive Belt Replacement
If not already done, remove the auger drive belt from the front pulley of
the engine double pulley. Refer to “Auger Belt Replacement” instructions in the previous sub-section.
1. a. Pull the idler pulley away from the backside of the drive belt to
relieve the tension. See Figure 29.
b. Slip the drive belt off the idler pulley. Carefully release the idler
pulley.
2. Roll the drive belt off the lower drive pulley.
3. Remove the belt from the engine pulley.
4. Install the new belt on the pulleys in the reverse order and
re-tension with the idler pulley.
5. Reassemble by performing the previous steps in the opposite
order and manner of removal.
1a
2
Figure 29
19
SERVICE AND MAINTENANCE
CHANGING FRICTION WHEEL
The rubber on the friction wheel is subject to wear and should be
checked after the first 25 hours of operation, and periodically thereafter. Replace the friction wheel if any signs of wear or cracking are
found.
Drain the gasoline from the snow thrower, or place a piece of
1.
plastic under the gas cap.
Tip the snow thrower up and forward, so that it rests on the
2.
housing.
Remove screws from the frame cover underneath the snow
3.
thrower (refer to Figure 30). Remove the right wheel from the
axle.
Using a 3/4” wrench, hold the hex shaft and remove the hex
4.
screw and belleville washer and bearing from left side of the
frame. Refer to Figure 31.
Holding the friction wheel assembly, slide the hex shaft out of
5.
the friction wheel assembly and the right side of the frame. The
spacer on the left side of the hex shaft will fall and the sprocket
should remain hanging lose in the chain.
Lift the friction wheel assembly out between the axle shaft and
6.
the drive shaft assemblies.
Remove four screws securing the friction wheel to the hub
7.
assembly (refer to Figure 32). Discard old friction wheel.
Reassemble the new friction wheel onto the hub assembly,
8.
tightening the four screws in rotation and with equal force. It is
important to assemble the friction wheel symmetrically for proper
functioning.
Remove Hex Screw
Belleville Washer
Figure 30
Friction Wheel Ass’y.
Slide Hex
Shaft Out
Right Side
20
Hex Shaft
Figure 31
Figure 32
Loading...