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SECTION6: TROUBLESHOOTING
Problem Cause
Engine fails to start
Engine runs erratic
1. Spark plug wire disconnected.
2. Fuel tank empty or stale fuel.
3. Throttle control lever not in correct
starting position.
4. Choke not in CHOKE position. (If
Equipped)
5. Engine (if equipped with a primer)
not primed properly.
6. Blocked fuel line.
7. Faulty spark plug.
1. Spark plug wire loose.
2. Unit running on CHOKE. (If
Equipped)
3. Blocked fuel line or stale fuel.
4.
5.
6.
1.
1.
2.
3.
1.
Remedy
1. Connect wire to spark plug.
2. Fill tank with clean, fresh gasoline.
3. Move throttle lever to FAST position.
Water or dirt in fuel system.
Dirty air cleaner.
Carburetor out of adjustment.
Loose parts or damaged impeller.
Engine oil level low.
Dirty air cleaner.
Carburetor not adjusted properly.
Spark plug gap too close.
4. Move choke to CHOKE position.
5. Prime engine.
6. Clean fuel line.
7. Clean, adjust gap, or replace.
1. Connect and tighten spark plug wire.
2. Move choke lever to OFF position.
3,
Too much vibration
Engine overheats
Occasional skip (hesitates
at high speed
Unit does not discharge 1. Discharge chute clogged. 1.
2. Foreign object lodged in impeller.
4,
5.
6.
1.
1.
2.
3.
1.
Clean fuel line; fill tank with clean, fresh
gasoline.
Drain fuel tank. Refill with fresh fuel.
Clean or replace air cleaner.
See authorized service dealer.
See authorized service dealer.
Fill crankcase with proper oil.
Clean or replace air cleaner.
See authorized service dealer.
Adjust gap to.030".
2,
3. Lowengine RPM 3.
4. Vacuum bag isfull. 4.
Rate of discharge slows 1. Low engine RPM. 1.
considerably or 2. Chipper blade dull. 2.
composition of discharged
material changes.
NOTE: For repairs beyond the minor adjustments listed above, contact your nearest authorized service dealer.
Stop engine immediately and
disconnect spark plug wire. Clean flail
screen and inside of discharge opening
Stop engine and disconnect spark plug
wire. Remove lodged object.
Always run engine at full throttle.
Empty bag.
Always run engine at full throttle.
Replace chipper blade or see your
authorized service dealer.
13
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