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KOMATSU CUMMINS N-855 SERIES DIESEL ENGINE SHOP MANUAL SEBE6710A03 – PDF DOWNLOAD
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Description
KOMATSU CUMMINS N-855 SERIES DIESEL ENGINE SHOP MANUAL SEBE6710A03 – PDF DOWNLOAD
FILE DETAILS:
KOMATSU CUMMINS N-855 SERIES DIESEL ENGINE SHOP MANUAL SEBE6710A03 – PDF DOWNLOAD
Language : English
Pages : 366
Downloadable : Yes
File Type : PDF
IMAGES PREVIEW OF THE MANUAL:
TABLE OF CONTENTS:
KOMATSU CUMMINS N-855 SERIES DIESEL ENGINE SHOP MANUAL SEBE6710A03 – PDF DOWNLOAD
COVER.......................................................... 1 CONTENTS....................................................... 2 01 GENERAL..................................................... 37 CONTENTS................................................... 39 GENERAL VIEW............................................... 40 SPECIFICATIONS............................................. 43 ASSEMBLY DRAWING........................................... 48 PERFORMANCE CURVE.......................................... 68 WEIGHT TABLE............................................... 77 11 STRUCTURE AND FUNCTION...................................... 79 CONTENTS................................................... 81 GENERAL STRUCTURE.......................................... 82 INTAKE AND EXHAUST SYSTEM.................................. 84 TURBOCHARGER........................................... 92 AFTER-COOLER........................................... 94 ENGINE BODY................................................ 95 CYLINDER HEAD.......................................... 95 VALVE SYSTEM........................................... 96 CYLINDER BLOCK......................................... 98 MAIN CIRCULATION SYSTEM................................100 TIMING GEAR............................................101 CAMSHAFT, CAM FOLLOWER AND PUSH ROD....................102 INJECTION TIMING, VALVE TIMING.........................103 FLYWHEEL AND FLYWHEEL HOUSING..........................104 LUBRICATION SYSTEM.........................................112 LUBRICATION SYSTEM CHART...............................112 OIL PUMP...............................................114 OIL FILTER AND OIL COOLER..............................117 FULL-FLOW FILTER.......................................120 BY-PASS FILTER.........................................121 OIL COOLER.............................................122 FUEL SYSTEM................................................123 FUEL SYSTEM CHART......................................123 PT FUEL PUMP...........................................126 PT FUEL PUMP DRIVE.....................................136 INJECTOR...............................................138 FUEL FILTER............................................139 WATER SEPARATOR........................................141 ANEROID CONTROL VALVE..................................142 COOLING SYSTEM.............................................144 COOLING SYSTEM CHART...................................144 WATER PUMP.............................................146 FAN DRIVE..............................................149 TENSION PULLEY.........................................153 THERMOSTAT.............................................155 CORROSION RESISTOR.....................................156 ACCESSORY..................................................157 AIR COMPRESSOR.........................................157 ELECTRICAL SYSTEM..........................................158 ALTERNATOR.............................................158 STARTING MOTOR.........................................161 ELECTRICAL INTAKE AIR HEATER...........................163 12 TESTING AND ADJUSTING.......................................165 CONTENTS...................................................167 TESTING AND ADJUSTING INJECTOR AND VALVE CLEARANCE.........168 MEASURING COMPRESSION PRESSURE.............................172 MEASURING BLOW-BY PRESSURE.................................174 MEASURING OIL CONSUMPTION..................................176 MEASURING FUEL PRESSURE....................................178 PT PUMP CALIBRATION DATA...................................179 PT FUEL PUMP PARTS SPECIFICATION...........................191 INJECTOR SPECIFICATION.....................................201 RUN-IN STANDARD............................................202 PERFORMANCE TEST CRITERIA..................................204 TESTING AND ADJUSTING TOOL LIST............................209 TESTING AND ADJUSTING DATA.................................210 TROUBLESHOOTING............................................216 13 DISASSEMBLY AND ASSSEMBLY...................................239 CONTENTS...................................................241 GENERAL DISASSEMBLY........................................243 GENERAL ASSEMBLY...........................................267 WATER PUMP ASSEMBLY........................................302 14 MAINTENANCE STANDARD........................................309 CONTENTS...................................................311 INTAKE AND EXHAUST SYSTEM..................................312 TURBOCHARGER...........................................312 ENGINE BODY................................................314 CYLINDER HEAD..........................................314 VALVE, VALVE GUIDE.....................................315 CROSSHEAD AND CROSSHEAD GUIDE..........................316 ROCKER LEVER, SHAFT....................................317 CYLINDER BLOCK.........................................318 CRANKSHAFT AND VIBRATION DAMPER........................320 CYLINDER LINER.........................................322 CAMSHAFT...............................................323 CAM FOLLOWER AND PUSH ROD..............................324 GEAR AND GEAR COVER....................................325 CONNECTING ROD.........................................326 PISTON, PISTON RING, PISTION PIN.......................328 FLYWHEEL, FLYWHEEL HOUSING, REAR COVER.................329 LUBRICATION SYSTEM.........................................330 OIL PUMP...............................................330 COOLING SYSTEM.............................................332 WATER PUMP AND IDLER PULLEY............................332 15 REPAIR AND REPLACEMENT......................................333 CONTENTS...................................................335 CYLINDER HEAD..............................................336 GRINDING AND CORRECTING CYLINDER HEAD MOUNTING FACE....336 REPLACING VALVE SEAT INSERTS...........................337 GRINDING AND CORRECTING VALVE SEATS SURFACE............340 REPLACING INJECTOR SLEEVES.............................341 REPLACING VALVE GUIDES.................................344 REPLACING CROSSHEAD GUIDES.............................345 GRINDING AND CORRECTING VALVES.........................345 REPLACING ROCKER LEVER BUSHINGS........................345 CYLINDER BLOCK.............................................346 GRINDING AND CORRECTING TOP FACE OF CYLINDER BLOCK.....346 CORRECTING CYLINDER LINER COUNTERBORE..................347 REPLACING MAIN BEARING CAPS............................348 GRINDING AND CORRECTING CRANKSHAFT.....................352 CORRECTING SLEEVES AT CRANKSHAFT REAR SEAL.............356 REPLACING CAMSHAFT BUSHING.............................357 REPLACING CONNECTING ROD BUSHING.......................358 REPLACING CAM FOLLOWER LEVER BUSHING...................359 REPLACING CRANKSHAFT GEAR..............................360 REPLACING CAMSHAFT GEAR................................360 REPLACING FLYWHEEL RING GEAR...........................360 19 OTHERS......................................................361 CONTENTS...................................................363 STANDARD TIGHTENING TORQUE.................................364 ADHESIVE COMPOUND..........................................366
DESCRIPTION:
KOMATSU CUMMINS N-855 SERIES DIESEL ENGINE SHOP MANUAL SEBE6710A03 – PDF DOWNLOAD
This shop manual has been prepared as an aid to improve the quality 0! repairs by giving the servicemen an accurate understanding of the product and by showing him the correct way to perform repairs and make judgements. Make sure you understand the contents of this manual and use it to full effect at every opportunity.
This shop manual mainly contains the necessary technical information for operations performed in a service workshop.
For ease of understanding, the manual is divided into chapters for each main group of components: these chapters are further divided into the following sections.
STRUCTURE AND FUNCTION
This section explains the structure and function of each component. It serves not only to give an understanding of the structure. but also serves as reference material for troubleshooting.
TESTING AND ADJUSTING
This section explains checks to be made before and after performing repairs. as well as adjustments to be made at completion of the checks and repairs. Troubleshooting charts correlating “Problems” to “Causes” are also included in this section.
DISASSEMBLY AND ASSEMBLY
This section explains the order to be followed when removing. installing. disassembling or assembling each component. as well as precautions to be taken for these operations.
MAINTENANCE STANDARD
This section gives the judgement standards when inspecting disassembled parts.
S.S 26/12/24
