Doosan HP375WJD-T3 - Page 70

Operating & Maintenance Manual Lubrication
70
Symptom Problem Solution
Engine runs
irregularly or stalls
frequently
Low coolant temperature. Remove and check thermostat.
Clogged fuel filter. Replace fuel filter element.
Water, dirt, or air in fuel
system.
Drain, flush, fill, and bleed system. Dirty or
faulty injection nozzles. Have authorized
servicing dealer check injectors.
Electronic fuel system
problem
See your distributor or servicing dealer.
Below normal
Engine
temperature
Defective thermostat. Remove and check thermostat.
Defective temperature gauge
or sender.
Check gauge, sender, and connections.
Lack of power Engine overloaded. Reduce load.
Intake air restriction. Service air cleaner.
Clogged fuel filter. Replace filter elements.
Improper type of fuel. Use proper fuel.
Overheated engine. See "Engine Overheats".
Below normal engine
temperature.
Remove and check thermostat.
Improper valve clearance. See your authorized servicing dealer.
Dirty or faulty injection
nozzles.
Have authorized servicing dealer check
injectors.
Injection pump out of time. See your authorized servicing dealer.
Electronic fuel system
problem
See your authorized servicing dealer.
Turbocharger not functioning.
(Turbocharger engines only)
See your authorized serving dealer.
Leaking exhaust manifold
gasket.
See your authorized servicing dealer.
Defective aneroid control line. See you authorized servicing dealer.
Restricted fuel hose. Clean or replace fuel hose.
Low fast idle speed. See your authorized servicing dealer.