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Trouble Shooting.21 - Sears CRAFTSMAN 247.885570 Owner's Manual

7 horsepower 24" two stage track drive snow thrower

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TROUBLESHOOTING
Trouble
Possible Cause(s)
Corrective Action
Shift lever not locking
into 6th
1. Shift rod out of adjustment.
1. Remove washer and pin. Turn
ferrule clockwise one turn and
reinstall.
Engine fails to start
1. Fuel tank empty, or stale fuel.
2. Fuel shut-off valve closed.
3. Key not in switch on engine.
4. Spark plug wire disconnected.
5. Blocked fuel line.
6. Faulty spark plug.
1. Fill tank with clean, fresh gasoline.
2. Open shut-off valve.
3. Insert key.
4. Connect wire to spark plug.
5. Clean fuel line.
6. Clean, adjust gap or replace.
Engine runs erratic
1. Unit running on CHOKE.
2. Blocked fuel line or stale fuel.
3. Water or dirt in fuel system.
4. Carburetor out of adjustment.
1. Turn choke knob to OFF position.
2. Clean fuel line; fill tank with clean
fresh gasoline.
3. Use carburetor bowl drain to drain
fuel tank. Refill with fresh fuel.
4. Adjust carburetor. See separate
engine manual.
Loss of power
1. Spark plug wire loose.
2. Gas cap vent hole plugged.
1. Connect and tighten spark plug
wire.
2. Remove ice and snow from cap.
Be certain vent hole is clear.
Engine overheats
1. Engine oil level low.
2. Carburetor not adjusted properly.
1. Fill crankcase with proper oil.
2. Adjust carburetor. See separate
engine manual.
Excessive vibration
1. Loose parts or damaged impeller.
1. Stop engine immediately and
disconnect spark plug wire. Tighten
all bolts and nuts. Make all
necessary repairs. If vibration
continues, have unit serviced by
authorized service dealer.
Hard to shift, or will
not shift
1. Shift rod misadjusted.
1
. Readjust shift rod. See Adjustment
section of this manual.
Unit fails to propel itself
1. Incorrect adjustment of drive clutch.
2. Drive belt loose or damaged.
1. Adjust drive clutch. Refer to
Adjustment section.
2. Replace drive belt. Refer to
Maintenance section.
Unit fails to discharge
snow
1. Auger shear bolt broken.
2. Discharge chute clogged.
3. Foreign object lodged in auger.
4. Incorrect adjustment of auger drive
clutch.
5. Auger drive belt loose or damaged.
1. Replace auger shear bolt. Refer to
Maintenance section.
2. Stop engine immediately and
disconnect spark plug wire. Clean
discharge chute and inside of auger
housing.
3. Stop engine immediately and
disconnect spark plug wire.
Remove object from auger.
4. Adjust auger clutch. Refer to
Adjustment section.
5. Replace auger drive belt. Refer to
Maintenance section.
Track does not turn
1
. Track control cable not inserted.
2. Lower cable bracket (#52 on page
24 for reference) not fully positioned
against the gear box.
1. Insert the cable completely into the
trigger assembly.
2. Loosen two self-tapping screws
on each slot of bracket. Retighten
making sure the bolt is completely
in the bottom of slot.
NOTE: For repairs beyond the minor adjustments listed above, please contact your nearest authorized service dealer.
21

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