Hitachi Diesel Engine S12A2 Engine Manual PDF

This PDF Service Manual describes the specifications of the Hitachi Diesel Engine S12A2 and the maintenance and adjustment procedures.

To maintain the performance of the engine for many years and to ensure safe operation, it is important to use the engine correctly and conduct regular inspection and maintenance, and also to take necessary measures which involve the disassembly, inspection, repair, and reassembly of the engine and engine parts.

The contents of the manual are based on the engine models that are being produced at the time of publication.

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Serial No. KM-927E-04
Pub.No. 99266-H0130

Models covered:
S12A2

CONTENTS:
INTRODUCTION
GENERAL
MAINTENANCE STANDARDS
BASIC AND SPECIAL TOOLS
OVERHAUL INSTRUCTIONS
DISASSEMBLY OF ENGINE MAIN PARTS
INSPECTION AND REPAIR OF ENGINE MAIN PARTS
REASSEMBLY OF ENGINE MAIN PARTS
FUEL SYSTEM
LUBRICATION SYSTEM
COOLING SYSTEM
INLET AND EXHAUST SYSTEMS
ELECTRICAL SYSTEM
ADJUSTMENT, BREAK-IN OPERATION, AND PERFORMANCE TESTS
OTHERS
ADJUSTING PROCEDURE OF ELECTRONIC GOVERNOR CONTROLS
SERVICE MANUAL REVISION REQUEST FORM