Mitsubishi S12U Operation & Maintenance Manual page 58

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