Mitsubishi S16R2-PTAW - Output Decrease; Table 11-3 Output Decrease

11-4
Chapter 11 TROUBLESHOOTING
Output Decrease
Note: The table above also includes the parts not supplied by Mitsubishi Heavy Industries, Ltd. For the parts not sup-
plied by Mitsubishi Heavy Industries, Ltd., inspect and maintain them by following the manufacturer's operation
manual.
Table 11-3 Output decrease
Causes Remedies
Fuel system
Improper fuel properties Use appropriate fuel. (Refer to P4-1).
Clogged fuel filter
Inspect and replace fuel filter. (Refer to P8-10).
Clean gauze filter.(Refer to P8-9).
Faulty fuel feed pump operation Consult a dealer of Mitsubishi Heavy Industries, Ltd.
Faulty fuel injection pump Consult a dealer of Mitsubishi Heavy Industries, Ltd.
Faulty fuel injection nozzle Consult a dealer of Mitsubishi Heavy Industries, Ltd.
Faulty fuel injection timing
Check fuel injection pump couplings.
Consult a dealer of Mitsubishi Heavy Industries, Ltd.
Improper amount of injected fuel
Check fuel injection pump rack stroke.
Check left and right bank.
Consult a dealer of Mitsubishi Heavy Industries, Ltd.
Cooling
system
Overheat, overcooled
Check fan and radiator.
Check control system.
Consult a dealer of Mitsubishi Heavy Industries, Ltd.
Inlet and
exhaust
systems
Insufficient amount of air
Check turbocharger. (Refer to P8-21).
Clean, Inspect and Replace Air Cleaner Element. (Refer to
P8-22).
Clean, inspect and replace pre-cleaner. (Refer to P8-21).
Check intake air pressure and leakage of intake air.
Check intake air temperature and ventilation device.
Consult a dealer of Mitsubishi Heavy Industries, Ltd.
Increase resistance of exhaust air.
Check turbocharger.(Refer to P8-21).
Check exhaust pipes and silencer.
Consult a dealer of Mitsubishi Heavy Industries, Ltd.
Control
system
Faulty governor control
Consult a dealer of Mitsubishi Heavy Industries, Ltd.
Basic engine
Low compression pressure Consult a dealer of Mitsubishi Heavy Industries, Ltd.
Faulty valve timing Consult a dealer of Mitsubishi Heavy Industries, Ltd.
Rapid wear of sliding parts Consult a dealer of Mitsubishi Heavy Industries, Ltd.