19
3.3 Engine oil level is low, but engine does not stop. (Defective oil alarm device)
3.4 Engine stops running (Throttle is at the correct position)
Drain out oil completely, disconnect alarm
connection wire, and check the continuity
between alarm outlet terminal and ground.
Replace the oil level alarm
Continuity
No continuity
Reset the alarm connection wire, disconnect
igniter plug, and check the continuity
between the plug orange wire and ground.
Repair or replace the wire
harnesses
No continuity
Continuity
Igniter fault, replace the igniter.
Check the oil level and oil alarm
Fill oil and restart the engine
Sufficient oil
Oil alarm
Reset the alarm connection wire, disconnect
igniter plug, and check the continuity
between the plug orange wire and ground.
Fill in fuel and restart the engine
No fuel
Sufficient fuel
Check the fuel switch and fuel filter fo
blockage
Clear the fuel switch and fuel
filter
Blocked
Check the fuel supply pipe for blockage
Clear or replace the fuel supply
pipe
Blocked
No blocked
No blocked
Check the fuel switch and fuel filter fo
heat insulation block
Tighten nut or replace the
gasket
Abnormal
Normal
Measure the cylinder compression
1. Check the valve clearance
2. Check the carbon deposit in
combustion chamber
3. Check the piston, piston ring
and cylinder for damage
Abnormal
Normal
Check the trigger clearance
Readjust the trigger clearance
Abnormal
Normal
Perform the throttle control system test