Bolens 247.77010 - Manual (Page 15)

TROUBLESHOOTING
Problem Possible Cause(s) Corrective Action
Engine fails to start Fuel tank empty or stale fuel.
Spark plug wire
disconnected.
Cannot puli recoil cord.
Choke not in ON position.
Faulty spark plug.
Safety switch not depressed.
Safety switch wire is not con­
nected to engine or not prop­
erly grounded.
Fill tank with clean, fresh gasoline. Fuel will not last over
thirty days unless a fuel stabilizer is added.
Connect wire to spark plug.
Obstruction lodged in impeller. Disconnect spark plug wire
and remove lodged object.
Move CHOKE to ON position.
Clean, adjust gap or replace.
Safety switch must be depressed by the front tab on the
bag handle when securing the bag.
Connect safety switch wire to engine connector and ground
to mounting bracket.
Loss of power; operation
erratic Spark plug wire loose.
Unit running on CHOKE.
Blocked fuel line or stale fuel.
Water or dirt in fuel system.
Carburetor out of adjustment.
Low engine RPM.
Connect and tighten spark plug wire.
Move choke lever to OFF position.
Clean fuel line; fill tank with clean fresh gasoline. Fuel will
not last over thirty days unless a fuel stabilizer is used.
Disconnect fuel line at carburetor to drain fuel tank. Refill
with fresh fuel.
Contact your Sears Service Center.
Always run engine at full throttle.
Too much vibration Loose parts or damaged
impeller. Stop engine immediately and disconnect spark plug wire.
Have unit serviced by a Sears Service Center.
Engine overheats Carburetor not adjusted
Engine oil level low
Contact your Sears Service Center.
Fill crankcase with proper selection of oil.
Unit does not discharge Discharge chute clogged.
Foreign object lodged in
impeller.
Low engine RPM.
Vacuum bag is full.
Stop engine immediately and disconnect spark plug wire.
Clean flail screen and inside of discharge opening. See
Maintenance section of this manual.
Stop engine immediately and disconnect spark plug wire.
Remove lodged object.
Always run engine at full throttle.
Empty bag.
Rate of discharge slows
considerably or
composition of discharged
material changes
Low engine RPM.
Chipper blade dull.
Always run engine at full throttle.
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.
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