Mitsubishi S12U User Manual

Chapter 5 PERIODIC MAINTENANCE CHART
5-4
Every 3000
service
hours
Valve clearance
Inspect and adjust (also inspect inside of rocker
chamber).
½
Fuel injection nozzles Change nozzle tipes and adjust pressure. ½
Fuel filters (wire-element) Disassemble and clean inside. 6-1
Breather
Inspect and clean mist separator, and change
expendable parts.
½
Governor oil filter Change. ½
Pre-cleaner Change. 6-17
Air cleaner element Change. 6-18
Magnetic pickup
Inspect clearance with the flywheel, attachment
of foreign items on the tip, mounting nut tight-
ness, an open-circuit and connector disconnec-
tion.
½
After 3000
services
hours or 2
years,
whichever
comes first
Fuel system accumulator Refill with nitrogen gas. ½
Every 6000
service
hours
Camshafts and tappets Inspect. ½
Crankcase
Inspect inside (remove the side cover for inspec-
tion).
Water pump
Change oil seals, unit seals and other expend-
able parts.
Damper
Check temperature with thermo label and check
for silicon oil leakage.
Turbocharger
Inspection of shaft and wheel smooth rotation
and thrust for looseness.
Inspection of pipe clamps of
fuel lines, oil lines, instrument
pipes and starting air pipes
Inspection of interference and wear, and repair
rubber tape.
After 12000
service
hours or 2
years,
whichever
comes first
Coolant Change.
6-13
Table 5-1 Periodic maintenance chart for engine in regular use (2 / 5)
Service
interval
Service item Service contents Page

Mitsubishi S12U Specifications

General

Brand	Mitsubishi
Model	S12U
Category	Engine
Language	English