Doosan D55C-5 Service Manual

D439E Service Manual 2. Engine Mechanical System (D439E)
87
Troubleshooting
Tighten the clamp
Any leakage at the connection of
compressor cover and intake pipe?
Repair
Repair or replace
Output drop
Turbocharger
(TD05H-12G)
Intake system
Exhaust system
Is air cleaner clogged? Replace the element
Does air leak at the connection of intake
system?
Repair
• Is muffler or exhaust pipe deformed?
• Is carbon accumulated?
Does gas leak at exhaust system?
Repair or replace Is exhaust brake opened?
Cleaning
Are compressor inside, compressor
cover and compressor wheel polluted?
Clean the carbon
deposit and
Does turbine wheel rotate smoothly if
turned by hands?
If the turbocharger is defective,
replace it in the assembly unit.
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No

Doosan D55C-5 Specifications

General

Brand	Doosan
Model	D55C-5
Category	Engine
Language	English