Mitsubishi S 12 R User And Maintenance Manual page 53

Periodic Maintenance Chart for Engine in Regular Use
Table 5-1 Periodic Maintenance Chart for Engine in Regular Use (1 / 2)
Every 50 ser-
vice hours or Draining Water from the Fuel Tank
every month
Retightening the Bolts and Nuts
First 50 service
hours for new or
Changing Engine Oil, Oil Filters and Bypass Oil Filter
reconditioned
(It is recommenced to analyze the engine oil properties at the same time.)
engine
(The oil filters must be changed when the filter alarm lights.)
Changing Engine Oil, Oil Filters and Bypass Oil Filter
Every 250 ser-
(It is recommenced to analyze the engine oil properties at the same time.)
vice hours or
(The oil filters must be changed when the filter alarm lights.)
every year
Changing Governor Oil Filter
First 250 ser-
vice hours for Inspection and Adjustment of Valve Clearances
new or recondi- (Also inspect the valve mechanisms at the same time.)
tioned engine
Inspection of V-belt and Adjustment of Belt Tension
Every 1000 ser-
vice hours
Changing Fuel Filters
Changing V-belt
Inspection of Fuel Control Linkage Ball Joints
Inspection and Adjustment of Valve Clearances
(Also check the valve mechanisms at the same time.)
Every 2000 ser-
Inspection and Adjustment of Fuel Injection Timing
vice hours
Changing Fuel Injection Nozzle Tips
(Check the spray condition and adjust the fuel injection pressure after
replacement.)
Checking Movement of the Rack (during operation) of the Fuel Injection
Pump (including the governor)
Overhaul the Top End of the Engine
Remove the cylinder head, and inspect and service the combustion cham-
bers.
• Inspect the connecting rod
• Visually inspect top surfaces of each piston
• Inspect the cylinder liner surfaces
Inspection of Damper
Every 4000 ser-
vice hours Inspection of Turbocharger
Inspection of Starters
Inspection of Alternator
Checking the Protective Devices for Proper Operation
Replacing the Unit Seals and Oil Seals in the Water Pump
Checking the LLC Concentration in the Coolant
Items marked with ∗ require special tools or large equipment. For servicing of these items, consult a Mit-
subishi dealer.
Chapter 5
Service item
PERIODIC MAINTENANCE CHART
Page
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∗
6-6
6-6
6-8
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6-2
6-5
6-2
6-4
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∗
∗
∗
∗
6-3
6-11
6-13
6-13
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∗
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5-3