OPERATOR & MAINTENANCE MANUAL
37
Trouble
Causes
Solutions
Engine
will not
start
Starter motor
will not drive
or speed is
low
1. Battery switch is off
Turn the switch to on
2. Battery output is low
Charge the battery
3. Battery is deteriorated
Change the battery
4. Battery terminal is loose
Tighten the terminal
Starter motor
drives, but
engine will not
start
1. Insufficient fuel
Add fuel
2. Fuel hose has leak
Tighten or change fuel hose
3. Fuel filter is clogged
Drain water/sediment or Change
fuel filter
4. Gauze filter is clogged
Clean or change gauze filter
5. Air is mixed in fuel line
Bleed the air
Engine starts but stalls at
once
1. Fuel hose has a leak
Tighten or change fuel hose
2. Fuel filter is clogged
Drain water/sediment or Change
fuel filter
3. Gauze filter is clogged
Clean or change gauze filter
4. Insufficient oil
Add lubricant oil
5. Air is mixed in fuel line
Bleed the air
6. Air filter element is clogged
Clean or change air filter element
Muffler releases black
smoke
1. Incorrect fuel is used
Change to correct fuel
2. Air filter element is clogged
Clean or change air filter element