Doosan GC25P-3 User Manual

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LP Engine G430(3.0L) Troubleshooting
Problem Probable Cause Probable Solution
Will Not Start/FCV Fuel container empty Fill fuel container
Staying On
●
Do not exceed 80% of liquid capacity.
Liquid valve closed Open liquid valve slowly
Excess flow valve closed Reset excess flow valve
●
Close liquid valve
●
Wait for click sound
●
Open valve slowly
Plugged fuel line Remove obstruction from fuel line
●
Close liquid fuel valve
●
Using caution, disconnect fuel line
●
Clear obstruction with compressed air
●
Re-connect fuel line
●
Leak test
Clogged fuel filter Repair/replace as required
●
Close liquid fuel valve
●
Using caution, disconnect fuel line
●
Remove/replace filter element
●
Clean fuel filter housing
●
Open liquid fuel valve
●
Leak test
Faulty vapor connection Check connection
between pressure regulator
●
No holes in hose
and carburetor
●
Clamps must be tight
●
Watch for kinked and/or pinched
and/or collapsed hose
Fuel lock malfunction
●
Check circuit wiring
●
Check safety switch
●
Check fuelock
●
Repair/replace fuelock as required
Pressure regulator Test pressure regulator operation
malfunction
●
Use test kit
●
Install primary pressure gauge
●
Install secondary pressure gauge
●
Crank engine and observe readings
on pressure gauges
●
Compare readings to specifications
●
If readings are out of spec
repair/replace pressure regulator

Doosan GC25P-3 Specifications

General

Brand	Doosan
Model	GC25P-3
Category	Engine
Language	English