Mitsubishi S12U User Manual

Chapter 5 PERIODIC MAINTENANCE CHART
5-12
Every 8
years
Fuel system
Fuel regulator valve Inspect.
½
Fuel pipes Change O-rings and sealing washers.
Fuel control linkage Change ball joints and ball bearings.
Fuel system accu-
mulator
Change.
Fuel feed pump Change oil seals and O-rings.
Fuel injection pipes Inspect.
Lubricating
system
Oil pump Disassemble and maintain.
Oil thermostat Inspect.
Engine oil regulator
valve
Disassemble and maintain.
Oil pipes Change O-rings and gaskets.
Cooling
System
Water pump
Change oil seals, unit seals, expendable
parts and bearings.
Coolant pipes Change O-rings.
Inlet and
exhaust
systems
Air cooler cover Change gaskets.
Air inlet pipes Change O-rings.
Exhaust pipes Change gaskets, bolts and nuts.
Exhaust duct Change seal rings, gaskets and V-clamps.
Air starter
system
Air pipes Change gaskets.
Air tank Inspect safety valve operation.
Governor
Actuator
Disassemble and maintain (by governor
manufacturer).
Governor case Change bearings, O-rings and gaskets.
Control shaft Change oil seals.
Table 5-2 Periodic maintenance chart for emergency engine (5 / 5)
Service
interval
Service item Service contents Page

Mitsubishi S12U Specifications

General

Brand	Mitsubishi
Model	S12U
Category	Engine
Language	English