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Troubleshooting
Problem
Engine Fails to start
Engine runs erratic
Engine overheats
Occasional skips
(hesitates) at
high speed
Excessive Vibration
Unit does not discharge
Rate of discharge slows
considerably or composition
of discharged material
changes
Cause
1.
Throttle lever (if equipped) not in correct
starting position.
2.
Engine switch (if equipped) in OFF position.
3.
Spark plug wire disconnected.
4.
Choke not in CHOKE position (if equipped).
5.
Fuel tank empty or stale fuel.
6.
Engine not primed (if equipped).
7.
Faulty spark plug.
8.
Safety switch not depressed.
9.
Safety switch wire is not connected to engine
or not properly grounded.
1.
Spark plug boot loose.
2.
Unit running on CHOKE (if equipped).
3.
Blocked fuel line or stale fuel.
4.
Low engine RPM.
5.
Water or dirt in fuel system.
6.
Dirty air cleaner.
7.
Carburetor out of adjustment.
1.
Engine oil level low.
2.
Dirty air cleaner.
1.
Spark plug gap too close.
2.
Carburetor idle mixture adjustment
improperly set.
1.
Loose parts or damaged impeller.
1.
Discharge area clogged.
2.
Foreign object lodged in impeller.
3.
Low engine RPM.
4.
Vacuum bag is full.
1.
Low engine RPM.
2.
Chipper blade dull.
Remedy
1.
Move throttle lever to FAST or START
position.
2.
Move engine switch to ON position.
3.
Connect wire to spark plug.
4.
Move choke lever to CHOKE position.
5.
Fill tank with clean, fresh gasoline.
6.
Prime engine as instructed in Engine Manual.
7.
Clean, adjust gap, or replace.
8.
Safety switch must be depressed by the front
tab on the bag handle when securing the
bag.
9.
Connect safety switch wire to engine
connector and ground to mounting bracket.
1.
Connect and tighten spark plug boot.
2.
Move choke lever to OFF position.
3.
Clean fuel line; fill tank with clean, fresh
gasoline.
4.
Always run engine at full throttle (if
equipped).
5.
Drain fuel tank. Refill with fresh fuel.
6.
Refer to engine manual.
7.
See authorized service dealer.
1.
Fill crankcase with proper oil.
2.
Refer to engine manual.
1.
Remove spark plug and adjust gap to .030".
2.
See authorized service dealer.
2.
See authorized service dealer.
1.
Stop engine immediately and disconnect
spark plug wire. Clean flail screen and inside
of discharge opening.
2.
Stop engine and disconnect spark plug wire.
Remove lodged object.
3.
Always run engine at full throttle.
4.
Empty bag.
1.
Always run engine at full throttle.
2.
Replace chipper blade or see your authorized
service dealer.
8
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