7-3
Chapter 7 MAINTENANCE SCHEDULE
Periodic Maintenance Chart for Regular Use Engine
Table 7-1 Periodic Maintenance Chart for Regular Use Engine
Interval and Service item
Refer-
ence
page
Every 50 service hours or
every month
Fuel Tank - Drain Water*1 8-6
Water Separator - Drain Water*1 8-7
First 50 service hours for
a new or overhauled
engine
Bolts and Nuts on the Engine - Retighten *2
Engine Oil, Oil Filter and Bypass Oil Filter - Replace
It is recommended to check the engine oil characteristics at the same time.
The oil filters must be replaced when the filter alarm lights.
8-12
Every 250 service hours
Engine Oil, Oil Filter and Bypass Oil Filter - Replace
It is recommended to check the engine oil characteristics at the same time.
The oil filters must be replaced when the filter alarm lights.
8-12
First 250 service hours
for a new or overhauled
engine
Valve Clearance - Inspect and Adjust
(Check valve mechanism at the same time.)
*2
Every 1000 service hours
Fuel Filter - Replace 8-9
Water Separator Element - Replace *1 8-7
Gauze Filter - Clean 8-8
Belt and Belt Tension - Inspect and Adjust 8-2
Every 2000 hours
Fuel Tank - Drain Water (Replace Parts as Necessary) *1 8-6
Valve Clearance - Inspect and Adjust
(Check valve mechanism at the same time.)
*2
Fuel Injection Timing - Inspect and Adjust *2
Fuel Injection Nozzle - Nozzle Tip Replacement
(Check the spray condition and adjust the fuel injection pressure after
replacement)
*2
Checking Movement of the Rack (During Operation) of the Fuel Injection
Pump (Including the Governor)
*2
Fuel Pipe - Inspect 8-11
Oil Pipe - Inspect 8-15
Every 4000 service hours
Top End of the Engine - Overhaul
Remove the cylinder head, and inspect and service the combustion cham-
bers.
*2
Turbocharger - Inspect 8-19
Damper - Inspect 8-4
Starter - Inspect 8-24
Protection Devices Operation - Inspect *2
Unit Seal and Oil Seal of Water Pump - Replace *2
Checking LLC Concentration Level in the Coolant *2
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