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PROBLEM
Engine fails to start
Loss of power;
operation erratic.
POSSIBLE CAUSE(S) CORRECTIVE ACTION
1. Spark plug wire disconnected.
2. Safety switch not contacted.
3. Fuel tank empty, or stale fuel.
4. Fuel shut-off valve closed
(if so equipped).
5. Faulty spark plug.
1. Spark plug wire loose
2. Unit running on CHOKE.
3. Blocked fuel line or stale fuel.
4. Water or dirt in fuel system.
1. Connect wire to spark plug.
2. Correctly install hose adapter nozzle.
3. Fill tank with clean, fresh fuel.
4. Open fuel shut-off valve.
5. Clean, adjust gap or replace.
1. Connect and tighten spark plug wire.
2. Move choke lever to OFF position.
3. Clean fuel line; fill tank with clean
fresh gasoline.
4. Disconnect fuel line at carburetor to drain
fuel tank. Refill with fresh fuel.
5. Carburetor out of adjustment. 5. Adjust carburetor.*
6. Dirty air cleaner. 6. Service air cleaner.*
Engine overheats
Too much vibration
Unit does not
discharge
Rate of discharge
when chipping
slows considerably,
or composition of
discharged material
changes.
1. Carburetor not adjusted
properly.
2. Engine oil level low.
Loose parts or damaged
impeller.
1. Discharge chute (elbow)
clogged.
2. Foreign object lodged in
impeller.
3. Chip-N-Vac cart is full.
Chipper blades dull.
1. Adjust carburetor.*
2. Fill crankcase with proper oil.
Stop engine immediately and disconnect
spark plug wire. Tighten all bolts and nuts.
Make all necessary repairs. If vibration
continues, have unit serviced by an
authorized service dealer.
1. Stop engine immediately and disconnect
spark plug wire. Clean inside of housing
and discharge chute (elbow).
2. Stop engine immediately and disconnect
spark plug wire. Remove lodged object.
3. Empty cart.
Sharpen or replace chipper blades.
*Refer to the engine manual packed with your unit.
NOTE: For repairs beyond the minor adjustments listed above, please contact your nearest authorized service dealer.
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