Chapter 5 PERIODIC MAINTENANCE CHART
5-10
Every 2
years
Turbocharger
Inspection of shaft for smooth rotation and
and wheel thrust for looseness.
½
Fuel system accumulator Refill with nitrogen gas. ½
Coolant Change. 6-14
Coolant thermostat Inspect. ½
Starting valve
Inspect, lap and change O-rings and gas-
kets.
½
Distributor
Inspect valve, shafts, bushings and pins,
and change gaskets.
½
Air starter strainer Drain water and clean. 6-18
Every 4
years
Overhaul of top end of engine
Disassemble one cylinder, and inspect cylinder head, piston and connecting rod. If
abnormalities are found, disassemble all cylinders for inspection.
½
Cylinder
heads and
valve mech-
anisms
Disassemble and maintain, clean and change expendable parts.
Valve seat Inspect, regrind and lap.
Inlet and exhaust
valves
Inspect, regrind and lap.
Cylinder head gas-
ket
Change cylinder head gaskets.
Valve guides,
valve rotator,
valve cotter,
pushrods,
rocker arm bush-
ings,
valve springs,
tappet rollers,
tappet brush,
tappet shafts,
tappet guides,
tappet guide set
screws
Inspect.
Stem seal Change.
Safety valve Inspect and change expendable parts.
Cylinder liners Inspect and clean.
Crankcase
Inspect inside(remove the side cover for
inspection).
Pistons Inspect including overhaul and clean.
Piston rings Inspect.
Connecting rods
Inspect bolts, inspect Magnaflux serrations,
change big-end bearing shells and inspect
small-end bushings.
Crankshaft
Inspect and adjust deflection, and inspect
journals and pins.
Damper
Analyze silicon oil properties and change
thermo label.
Inspection of pipe clamps of fuel
lines, oil lines, instrument pipes
and starting air pipes
Inspection of interference and wear, and
repair rubber tape.
Flexible hoses Change.
Table 5-2 Periodic maintenance chart for emergency engine (3 / 5)
Service
interval
Service item Service contents Page
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