Doosan D35C-5 FDA04 Operation & Maintenance Manual page 103

Problem
Difficult to Start
Probable Cause
Fuel container almost empty
Excess flow valve closed
Clogged fuel filter
Plugged fuel line
Faulty vapor connection between
the pressure regulator/converter
and the mixer
Pressure regulator/converter
malfunction
Fuel container almost empty
Air filter clogged
Incorrect air/fuel or ignition control
Engine Mechanical
LPG Vapor from liquid outlet
Fill fuel container

Do not exceed 80% of liquid capacity

Reset excess flow valve
Close liquid valve

Wait for a "click" sound

Slowly open liquid valve

Repair/replace as required
See Maintenance Section, LP Fuel Filter

replacement
Remove obstruction from the fuel line
Close liquid fuel valve

Using caution, disconnect the fuel line

(some propane may escape)
Clear obstruction with compressed air

Re-connect fuel line

Slowly open liquid fuel valve

Leak test

Check connection
Verify no holes in hose

Clamps must be tight

Look for kinked, pinched and/or collapsed

hose
Test pressure regulator/converter operation
See Engine Service Manual

LPG Vapor from liquid outlet
Fill fuel container

Do not exceed 80% of liquid capacity

Check air filter
Clean/replace as required

See Advanced Diagnostics
See Engine Service Manual
-101-
Operation Section
Corrective Action