Craftsman 247.88851 Snow Blower User Manual


 
PROBLEM
Shiftlevernot locking
intothesixthspeed
Enginefailstostart
Engine runs erratic.
Loss of power
Engine overheats
Excessive vibration
POSSIBLE CAUSE
1. Shift rod out of adjustment
CORRECTIVE ACTION
1. Remove washer and pin. Turn ferrule
clockwise one turn and reinstall.
1. Fuel tank empty, or stale fuel 1.
2. Fuel shut-off valve closed 2.
3. Ignition key not in switch or engine 3.
4. Spark plug wire disconnected 4.
5. Blocked fuel line 5.
6, Faulty spark plug 6.
1. Unit running on choke 1.
2. Blocked fuel line or stale fuel 2.
3. Water or dirt in fuel system. 3.
4. Carburetor out of adjustment 4.
1. Spark plug wire loose 1.
2. Gas cap vent hole plugged 2.
1. Engine oil level low. 1.
2. Carburetor not adjusted properly 2.
1. Loose parts or auger damaged
1. Shift rod not adjusted
2. Hex shaft not lubricated
Incorrect adjustment of drive clutch
Drive belt loose or damaged
Auger shear bolt broken
Discharge chute clogged
Foreign object lodged in auger.
Auger drive clutch cable not adjusted.
Auger drive belt loose or damaged.
Track control cable not inserted.
Lower cable bracket not fully positioned against
gear box.
Fill tank withclean, fresh gasoline.
Open valve.
Insert key,
Connect spark plug wire.
Clean fuel line.
Clean, adjust gap orreplace.
Turn choke to off position.
Clean fuel line, fill tank with fresh fuel.
Drain carburetor following instructions on
page 24. Refill with fresh fuel
Contact Sears service center.
Connect and tightenspark plug wire.
Remove ice and snow from cap. Make sure
that the vent hole is clear.
Fillcrankcasewith proper engine oil.
Contact Sears service center.
1. Stop engine immediately and disconnect
spark plug wire. Tighten all nuts and bolts.
Check for the source of vibration, Make all
necessary repairs, Ifvibration persists,
contact Sears service center.
Hardto shiftspeed, or 1. Readjust shift rod.
will not shift 2. Lubricate sprocket shaft.
1. Adjust drive clutch.
Unit fails to propel 1.
itself
2.
Unit fails to discharge 1.
snow 2.
3.
4.
5.
Track does not turn 1.
2.
2. Replace drive belt.
1. Replace shear bolt.
2. Stop engine, disconnect spark plug wire and
clean discharge chute and inside of auger
housing.
3. Stop engine, disconnect spark plug wire and
remove object from auger.
4. Adjust properly.
5. Replace belt.
1. Insert the cable completely into the trigger
assembly.
2. Loosen two self-tapping screws on each slot
of bracket. Retighten making sure that the
bolt is completely at the bottom of the slot.
_ For repairs beyond the minor adjustments listedabove,
_ please contact your nearest SEARS service center.
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