Output Decrease; Table 11-3 Output Decrease - Mitsubishi S6B Operation & Maintenance Manual

Output decrease

Cause
Improper fuel property
Clogged fuel filter
Faulty fuel feed pump
Faulty fuel injection pump
Fuel system
Faulty fuel injection nozzle
Faulty fuel injection timing
Improper amount of fuel injection
Cooling sys-
Overheat, overcooled
tem
Insufficient amount of air
Inlet and
exhaust sys-
tems
Increase resistance of exhaust air
Low compression pressure
Engine
Faulty valve timing
mechanical
Rapid wear of sliding parts
Control sys-
Faulty governor control
tem

Table 11-3 Output decrease

Use appropriate fuel.
Inspect and replace fuel filter.
Gauze filter - Clean
Consult a Mitsubishi dealer.
Consult a Mitsubishi dealer.
Consult a Mitsubishi dealer.
Check fuel injection pump couplings.
Consult a Mitsubishi dealer.
Check fuel injection pump rack stroke.
Consult a Mitsubishi dealer.
Check fan and heat exchanger.
Check control system.
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.
Consult a Mitsubishi dealer.
Chapter 11 TROUBLESHOOTING
Remedies
(Refer to P4-1)
(Refer to P8-8)
(Refer to P8-7)
(Refer to P8-15)
(Refer to P8-16)
(Refer to P8-15)
(Refer to P8-
11-3