Output Insufficient - Doosan DE12T Operation & Maintenance Manual

Engine
Fuel unit
Check for air mixing
in fuel
Inspect fuel supply pump
Normal
Clean Replace
Inspect fuel filter over folw valve
Normal Replace
Inspect injection pipe
Normal Repair Replace
Inspect injection nozzle
injection pressure
atomizing state
Normal Adjust Replace
Check injection timing
Normal Adjustment
Disassemble engine or
injection pump

3. Output Insufficient

Others
Inspect air cleaner
Normal
Clean Relpace
Inspect engine control
rod, link, cable, etc.
Adjust
Normal
Check valve clearance
Adjust
Normal
Inspect cylinder head
gasket for damage
Replace
Normal
Engine disassembly
(valve assembly)
Check Turbocharger
Repair
Normal
Replace
Disassemble injection
pump or engine
- 50 -
Installation improper
Check for coupling
alignemnt
Adjust or replace
coupling
Inspect air leakage
of air piping line
Retighten
Normal
Replace
Inspect air leakage
of Intercooler