Exhaust Smoke Is Black Or Charcoal; Table 11-5 Exhaust Smoke Is Black Or Charcoal - Mitsubishi S6B Operation & Maintenance Manual

Exhaust smoke is black or charcoal

Cause
Improper fuel property
Faulty fuel feed pump
Faulty fuel injection pump
Faulty fuel injection nozzle
Fuel system
Faulty fuel injection timing
Uneven fuel injection
Insufficient amount of air
Inlet and
exhaust
systems
Increase resistance of exhaust air
Low compression pressure
Engine
Faulty valve timing
mechanical
Rapid wear of sliding parts
Control
Increase in load
system

Table 11-5 Exhaust smoke is black or charcoal

Use appropriate fuel.
Consult a Mitsubishi dealer.
Consult a Mitsubishi dealer.
Consult a Mitsubishi dealer.
Check fuel injection pump couplings.
Consult a Mitsubishi dealer.
Check exhaust smoke temperature.
Consult a Mitsubishi dealer.
Check turbocharger.
Clean, inspect and replace pre-cleaner.
Clean, inspect and replace air cleaner element.
17)
Check intake air pressure and leakage of intake air.
Check intake air temperature and ventilation device.
Consult a Mitsubishi dealer.
Check turbocharger.
Check exhaust pipes and silencer.
Consult a Mitsubishi dealer.
Consult a Mitsubishi dealer.
Consult a Mitsubishi dealer.
Consult a Mitsubishi dealer.
Check control system and governor controller.
Consult a Mitsubishi dealer.
Chapter 11 TROUBLESHOOTING
Remedies
(Refer to P4-1)
(Refer to P8-15)
(Refer to P8-16)
(Refer to P8-15)
(Refer to P8-
11-5