Mitsubishi S12R-Y1PTA User Manual

7-2
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 8-5
Water separator - Drain water*1 *2
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.
8-9
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.
8-9
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 8-7
Water separator - Inspect and Replace*1 *2
Gauze filter - Clean 8-6
Belt and belt tension - Inspect and Adjust 8-2
Every 1500 service hours Fue injection nozzle - Clean *2
Every 2000 service hours
Fuel tank - Drain water (Replace parts as necessary)*1 8-5
Valve clearance - Inspect and Adjust
(Check valve mechanism at the same time.)
*2
Fuel injection timing - Inspect and Adjust *2
Checking Movement of the Rack (during operation) of the fuel injection
pump (including the governor)
*2
Fuel pipe - Inspect 8-8
Oil pipe - Inspect 8-12
Every 3000 service hours Fuel injection nozzle - Nozzle tip replacement (Check the spray condition
and adjust the fuel injection pressure after replacement)
*2
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 8-16
Damper - Inspect 8-3
Starter - Inspect 8-19
Protection devices operation - Inspect *2
Unit seal and Oil seal of water pump - Replace *2
Checking LLC concentration level in the coolant *2

Mitsubishi S12R-Y1PTA Specifications

General

Brand	Mitsubishi
Model	S12R-Y1PTA
Category	Engine
Language	English