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SERVICE AND MAINTENANCE
Trouble Shooting Guide
DANGER
Before servicing unit, wait for all moving parts
to come to a complete stop. Turn engine off
and remove the spark plug wire.
PROBLEM
Engine Does Not Start.
Engine Runs Poorly.
Engine Overheats.
Loss of Vacuum.
Unusual vibration
or noise.
Unit difficult to close.
Door doesn't shut tightly. 1. Door tightness not adjusted correctly.
POSSIBLE CAUSE
1. Spark plug wire disconnected.
2. Engine ON/OFF switch in OFF position. 2. Put switch in ON position.
3. Fuel tank empty.
4. Stale gasoline.
5. Dirty air filter.
1. Bad spark plug.
2. Dirty air filter.
3. Incorrect choke setting.
4. Stale gasoline.
5. Dirt or water in fuel tank.
1. Carburetor out of adjustment.
2. Oil level is low.
1. Vacuum inlet clogged.
2. Container full.
3. Engine not reaching full RPM.
4. Fan blades bent or broken.
1. Solid object jammed in unit.
2. Engine crankshaft
bent or damaged.
3. Loose engine mounting bolts/nuts.
4. Loose or missing bolts on unit.
5. Engine shaft bearings damaged.
6. Impeller bent or damaged.
1. Door too tight.
2. Obstructions keeping door from
completely closing.
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CORRECTION
1. Reconnect wire.
3. Add gasoline.
4. Drain gasoline and add fresh
gasoline.
5. Clean or replace.
1. Inspect spark plug.
2. Clean or replace.
3. Put choke in correct setting.
4. Drain gasoline and add fresh
gasoline.
5. See engine service dealer.
1. See engine service dealer.
2. Check and add oil.
1. Remove hose and clean inlet.
2. Inspect and empty.
3. See "Engine Runs Poorly"
above.
4. Replace/repair impeller.
1. Check and remove any
obstruction.
2. See engine service dealer.
3. Tighten bolts/nuts.
4. Tighten or replace bolts.
5. See engine service dealer.
6. Repair/replace impeller.
1. Adjust arm tightness
2. Clear obstructions.
1. Adjust arm tightness
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