Troubleshooting – Craftsman 247.770110 User Manual
Page 15
Attention! The text in this document has been recognized automatically. To view the original document, you can use the "Original mode".
TROUBLESHOOTING
Problem
Possible Cause(s)
Corrective Action
Engine fails to start
1
.
Fuel tank empty or stale fuel.
1
.
Fill tank with clean, fresh gasoline. Fuel will not
last over thirty days unless a fuel stabilizer is
added.
2
.
Spark plug wire disconnected.
2
.
Connect wire to spark plug.
3.
Cannot pull recoil cord.
3.
Obstruction lodged in impeller. Disconnect
spark plug wire and remove lodged object.
4.
Choke not in ON position.
4.
Move CHOKE to ON position.
5.
Faulty spark plug.
5.
Clean, adjust gap or replace.
6
.
Safety switch not depressed.
6
.
Safety switch must be depressed by the front
tab on the bag handle when securing the bag.
7.
Safety switch wire is not
connected to engine or not
properly grounded.
7.
Connect safety switch wire to engine connector
and ground to mounting bracket.
Loss of power;
1
.
Spark plug wire loose.
1
.
Connect and tighten spark plug wire.
operation erratic
2
.
Unit running on CHOKE.
2
.
Move choke lever to OFF position.
3.
Blocked fuel line or stale fuel.
3.
Clean fuel line; fill tank with clean fresh
gasoline. Fuel will not last over thirty days
unless a fuel stabilizer is used.
4.
Water or dirt in fuel system.
4.
Disconnect fuel line at carburetor to drain fuel
tank. Refill with fresh fuel.
5.
Carburetor out of adjustment.
5.
Contact your Sears Service Center.
6
.
Low engine RPM.
6
.
Always run engine at full throttle.
Too much vibration
1
.
Loose parts or damaged
impeller.
1
.
Stop engine immediately and disconnect spark
plug wire. Have unit serviced by a Sears
Service Center.
Engine overheats
1
.
Carburetor not adjusted
1
.
Contact your Sears Service Center.
2
.
Engine oil level low
2
.
Fill crankcase with proper selection of oil.
Unit does not
discharge
1
.
Discharge chute clogged.
1
.
Stop engine immediately and disconnect spark
plug wire. Clean flail screen and inside of
discharge opening. See Maintenance section of
this manual.
2
.
Foreign object lodged in
impeller.
2
.
Stop engine immediately and disconnect spark
plug wire. Remove lodged object.
3.
Low engine RPM.
3.
Always run engine at full throttle.
4.
Vacuum bag is full.
4.
Empty bag.
Rate of discharge
1
.
Low engine RPM.
1
.
Always run engine at full throttle.
slows considerably or
composition of
discharged material
changes
2
.
Chipper blade dull.
2
.
Replace chipper blade or see your Sears
Service Center.
NOTE:
For repairs beyond the minor adjustments iisted above, piease contact your iocai Sears Service Center.
15