Troubleshooting; Engine Starting Impossible - Doosan PU158TI Operation & Maintenance Manual

2.3. Troubleshooting

Starting motor operation poor
Inspection of battery electorlytic
Ilquid amount & gravity
Normal Too low
Ajustment .
Recharging
Inspection of loose electric
wring & short
Retigten .
Normal
Replace
Inspection of starting switch
Repair .
Normal
Replace
Inspection of starting relay
Normal
Replace
Inspection of magentic switch
Repair
Normal
Replace
Starting motor
disassembly
Normal
Injection pump
dasassembly

1. Engine Starting Impossible

Engine
Inspect air cleaner
Normal
Check compression
pressure
Normal
Inspect of
other parts
Normal
Check cylinder
head gasket
Normal
Engine disassembly
(valve assembly piston
cylinder liner etc.)
Inspect supply pump operation
Inspect supply pump valve strainer
Clean .
Normal
replace
Inspect fuel filter
Element polluted
Overflow valve poor
Replace
Starting motor revolution
Polluted
Replace or
clean element
Too low
Repair .
Replace
Check valve
clearance
Adjust
Replace
- 41 -
Fuel
Inspect amount of fuel
Normal
None
Replenish
Inspect fuel
injection
No injection
Normal
Continuous
operation after
air removal
Inspect injection
timing
Adjust
Normal
Inspect injection
nozzle (injection
pressure injection
state etc.)
Repair .
Normal
Replace
Injection pump
disassembly
Air mixture in fuel
Retighten connection
parts. Replace gasket
Air removal
Continuous air mixing
Supply pump
disassembly
Technical Information