Black-Smoky Exhaust - Mitsubishi Heavy Industries L2 Service Manual

GENERAL
Is smoke set of injection pump correct?
Yes
(Check for excessive valve clearance and improper injection timing.)
Yes
Do injection nozzles operate properly?
(Check for improper shape of fuel spray and for excessively high injection
Yes
Is cylinder compression proper?
Yes
Inspect injection pump.
Service Manual Mitsubishi L-Series diesel engines
Version 08/2004
Is engine adjusted properly?
starting pressure.)
6.5

Black-smoky exhaust

6.5.1 Matters to be checked before
diagnosis
1. Clogging of air cleaner element
2. Use of poor-quality fuel
3. Overload
6.5.2 Diagnosis
ENGLISH
TROUBLESHOOTING
No Adjust smoke set.
No Adjust engine.
No Inspect injection nozzles.
Inspect valves, cylinder head
No gasket, pistons, and piston
rings.
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