Mitsubishi S12R Service Manual

CONTENTS
Mitsubishi Diesel Engine S12R OPERATION & MAINTENANCE MANUAL
23
Pub. No. 291Y1-40720 Revision: 5
4FUEL
Fuel...................................................... 103
Diesel Fuel
(Emission Control Approved Model) ........103
Diesel Fuel...............................................104
Fuel - Handling..................................... 105
Fuel - Refill...............................................105
Fuel Quality Standard .......................... 106
5ENGINE OIL
Engine Oil ............................................ 109
Engine Oil Grade .....................................109
Engine Oil Viscosity .................................110
Handling Engine Oil ............................. 110
6 COOLANT
Water to Be Used................................. 111
LLC to Be Used.................................... 112
Coolant (LLC) - Handling ..................... 112
Maintenance of LLC............................. 113
LLC Concentration in Coolant - Check ....113
Replacement Period ................................113
Coolant - Mix............................................113
LLC Concentration (Genuine LLC) ...... 113
LLC Concentration in Coolant -
Measure............................................... 114
Tool - Adjust.............................................114
Measurement ...........................................115
7 SCHEDULED MAINTENANCE
How to Use the Scheduled
Maintenance ........................................ 117
Category of Scheduled Maintenance
Chart ........................................................118
Rating Definition................................... 119
Scheduled Maintenance for EPA
Compliant Generator Use Diesel Engine
... 121
8 INSPECTION AND
MAINTENANCE
Inspection and Maintenance - General
Information ........................................... 123
Precautions for General Inspection
and Maintenance ................................. 124
Inspection and Maintenance - Prepare ... 125
Inspection and Maintenance - Prepare
(with Engine Switched ON) ..................... 125
Inspection and Maintenance - Prepare
(with Engine Switched OFF).................... 126
Engine Body - Check ........................... 126
Belt - Check............................................. 126
Belt Tension (Alternator) - Adjust ............ 128
Damper - Check ...................................... 131
Damper Temperature - Check................. 131
Fuel System - Check............................ 133
Fuel Tank - Check and Service ............... 133
Fuel System - Bleed Air........................... 134
Water Separator - Check and Service..... 138
Gauze Filter - Clean ................................ 139
Fuel Filter - Replace ................................ 140
Fuel Control Link - Check........................ 142
Fuel Pipe - Check.................................... 144
Engine Oil System - Check .................. 146
Engine Oil - Change ................................ 147
Oil Filter - Replace................................... 151
Bypass Oil Filter - Replace...................... 153
Governor Oil Filter - Replace
(Hydraulic Governor Spec)...................... 153
Oil Pipe - Check ...................................... 155
Cooling System - Check ...................... 155
Corresponding Devices - Location .......... 156
Coolant - Change .................................... 156
Cooling System - Bleed Air ..................... 163
Radiator Fins - Check and Clean
(Radiator Spec) ....................................... 164
Intake and Exhaust Systems - Check .. 165
Turbocharger - Check ............................. 165
Exhaust Muffler - Drain Water ................. 165
Pre-cleaner - Check and Service ............ 166
Air Cleaner - Check and Service ............. 167

Mitsubishi S12R Specifications

General

Engine Model	S12R
Fuel Type	Diesel
Starting System	Electric starter
Aspiration	Turbocharged
Lubrication System	Forced lubrication
Cooling System	Water-cooled