Komatsu Engine 155-4 Shop Manual SEBE6120A05

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This is a COMPLETE Service Repair Manual for the KOMATSU 155-4 SERIES DIESEL ENGINE. 

Engine Serial Number: 10011 and up 

Table of Contents: 
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01 GENERAL 
GENERAL VIEW 
SPECIFICATIONS 
GENERAL ASSEMBLY DRAWING 
WEIGHT TABLE 
ENGINE PERFORMANCE CURVE 
11 STRUCTURE AND FUNCTION 
GENERAL STRUCTURE 
INTAKE AND EXHAUST SYSTEM 
TURBOCHARGER 
AFTER COOLER 
ENGINE BODY 
LUBRICATION SYSTEM 
FUEL SYSTEM 
COOLING SYSTEM 
ACCESSORY 
12 TESTING AND ADJUSTING 
PREPARATION 
ADJUSTING FUEL INJECTION TIMING 
PERFORMANCE TEST ON FEED PUMP 
FUEL INJECTION PUMP TABLE 
ENGINE PERFORMANCE TEST 
STARTING ENGINE (2G84) PERFORMANCE TEST 
TESTING AND ADJUSTING TOOL LIST 
TESTING AND ADJUSTING DATA 
13 DISASSEMBLY AND ASSEMBLY 
GENERAL DISASSEMBLY OF ENGINE ASSEMBLY 
GENERAL ASSEMBLY OF ENGINE ASSEMBLY 
DISASSEMBLY OF WATER PUMP 
ASSEMBLY OF WATER PUMP 
DISASSEMBLY OF TURBOCHARGER (KTR100,130) 
ASSEMBLY OF TURBOCHARGER (KTR100,130) 
DISASSEMBLY OF TURBOCHARGER (RH1521) 
ASSEMBLY OF TURBOCHARGER (RH1521) 
DISASSEMBLY OF STARTING ENGINE (2G84) 
ASSEMBLY OF STARTING ENGINE (2G84) 
DISASSEMBLY OF 2G84 POWER TRAIN 
ASSEMBLY OF 2G84 POWER TRAIN 
DISASSEMBLY OF FUEL INJECTION PUMP 
ASSEMBLY OF FUEL INJECTION PUMP 
14 MAINTENANCE STANDARD 
TURBOCHARGER 
CYLINDER HEAD 
VALVE,VALVE GUIDE 
CROSSHEAD,CROSSHEAD GUIDE 
ROCKER HOUSING 
TAPPET,PUSH ROD 
CYLINDER BLOCK 
CYLINDER LINER 
CRANKSHAFT 
CAMSHAFT 
BALANCER SHAFT 
TIMING GEAR 
PISTON,PISTON RING AND PISTON PIN 
CONNECTING ROD 
OIL PUMP 
RELIEF VALVE,REGULATOR VALVE AND SAFETY VALVE

PISTON COOLING VALVE,OIL COOLER BY-PASS VALVE 
WATER PUMP 
STARTING ENGINE (2G84) 
AIR COMPRESSOR 
15 REPAIR AND REPLACEMENT 
CYLINDER HEAD SECTION 
CYLINDER BLOCK SECTION 
PRESS FITTING OF BUSHING 
REPLACING SHRINK-FITTED GEAR 
OTHERS 
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Model Specification: KOMATSU 155-4 SERIES DIESEL ENGINE 
Language: English 
File Format: PDF 
Total Pages: 376 
Requirements: Adobe PDF Reader 
ZOOM IN/OUT: YES 
Downloadable: YES 
Compatible: All Versions of Windows & Mac 
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THE SERVICE MANUAL CONTAINS DETAILED INFORMATION, ELECTRICAL AND HYDRAULIC DIAGRAMS, ACTUAL REAL PHOTO ILLUSTRATIONS AND SCHEMES, WHICH GIVE YOU COMPLETE STEP BY STEP OPERATIONS ON REPAIR, SERVICING, TECHNICAL MAINTENANCE & TROUBLESHOOTING PROCEDURES FOR YOUR MACHINE. THIS MANUAL OFFERS FULL INFORMATION YOU NEED FOR REPAIR YOUR MACHINE. THE INFORMATION IN THIS MANUAL WILL ENABLE YOU TO FIND TROUBLE AND TO UNDERSTAND HOW TO REPAIR AND MAINTAIN YOUR MACHINE WITHOUT GOING INTO SERVICE.  

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