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Shop Manual for Komatsu 6D170-2 Series Diesel Engine SEBM008107 PDF
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KOMATSU 6D170-2 SERIES DIESEL ENGINE SHOP MANUAL SEBM008107 – PDF DOWNLOAD
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Description
KOMATSU 6D170-2 SERIES DIESEL ENGINE SHOP MANUAL SEBM008107 – PDF DOWNLOAD
FILE DETAILS:
KOMATSU 6D170-2 SERIES DIESEL ENGINE SHOP MANUAL SEBM008107 – PDF DOWNLOAD
Language : English
Pages : 341
Downloadable : Yes
File Type : PDF
IMAGES PREVIEW OF THE MANUAL:
TABLE OF CONTENTS:
KOMATSU 6D170-2 SERIES DIESEL ENGINE SHOP MANUAL SEBM008107 – PDF DOWNLOAD
COVER....................................................................................... 1 CONTENTS.................................................................................... 2 01 GENERAL.................................................................................. 25 APPLICABLE MACHINE...................................................................... 26 SPECIFICATIONS.......................................................................... 27 GENERAL ASSEMBLY DRAWING................................................................ 31 WEIGHT TABLE............................................................................ 54 ENGINE PERFORMANCE CURVE................................................................ 55 11 STRUCTURE AND FUNCTION................................................................... 64 INTAKE AND EXHAUST SYSTEM............................................................... 65 AIR CLEANER......................................................................... 65 TURBOCHARGER........................................................................ 67 AFTERCOOLER......................................................................... 71 ENGINE BODY............................................................................. 73 CYLINDER HEAD....................................................................... 73 VALVE SYSTEM........................................................................ 75 CYLINDER BLOCK...................................................................... 77 MAIN REVOLUTION..................................................................... 79 TIMING GEAR......................................................................... 81 FLYWHEEL AND FLYWHEEL HOUSING....................................................... 83 LUBRICATION SYSTEM...................................................................... 84 OIL PUMP............................................................................ 85 OIL FILTER AND SAFETY VALVE......................................................... 86 BYPASS OIL FILTER................................................................... 87 OIL COOLER.......................................................................... 88 OIL PUMP RELIEF VALVE............................................................... 89 OIL COOLER BYPASS VALVE............................................................. 89 PISTON COOLING VALVE................................................................ 90 FUEL SYSTEM............................................................................. 91 FUEL INJECTION PUMP................................................................. 94 FUEL INJECTION PUMP................................................................. 97 FUEL INJECTION NOZZLE...............................................................100 FUEL INJECTION PUMP DRIVE...........................................................101 FUEL FILTER.........................................................................103 STARTING AID........................................................................105 FUEL CUT SOLENOID...................................................................106 ENGINE STOP MOTOR...................................................................108 COOLING SYSTEM..........................................................................113 WATER PUMP..........................................................................114 COOLING FAN.........................................................................115 CORROSION RESISTOR..................................................................122 THERMOSTAT..........................................................................123 ACCESSORY...............................................................................124 AIR COMPRESSOR MOUNTING.............................................................124 FREON COMPRESSOR....................................................................126 AIR COMPRESSOR......................................................................127 EXHAUST BRAKE.......................................................................129 ELECTRICAL SYSTEM.......................................................................130 ALTERNATOR..........................................................................130 ALTERNATOR WITH BUILT-IN REGULATOR..................................................132 STARTING MOTOR......................................................................133 12 TESTING AND ADJUSTING....................................................................134 ENGINE BODY.............................................................................136 ADJUSTING VALVE CLEARANCE...........................................................136 MEASURING COMPRESSION PRESSURE......................................................137 INSTALLING ENGINE SPEED SENSOR......................................................138 FUEL SYSTEM.............................................................................139 TESTING AND ADJUSTING FUEL INJECTION TIMING.........................................139 ADJUSTING FUEL INJECTION PRESSURE...................................................144 CALIBRATION DATA....................................................................146 REPLACE FAN BELT AND ADJUSTING AUTO TENSIONER.......................................156 ELECTRICAL SYSTEM.......................................................................157 TESTING AND ADJUSTING ALTERNATOR BELT TENSION.......................................157 PERFORMANCE TEST........................................................................158 RUNNING IN STANDARD.................................................................158 PERFORMANCE TEST CRITERIA...........................................................160 TROUBLESHOOTING.........................................................................165 POINTS TO REMEMBER WHEN TROUBLESHOOTING.............................................167 METHOD OF USING TROUBLESHOOTING CHART...............................................168 S-1 STARTING PERFORMANCE IS POOR (STARTING ALWAYS TAKES TIME).......................172 S-2 ENGINE DOES NOT START...........................................................176 (1) ENGINE DOES NOT TURN........................................................176 (2) ENGINE TURNS BUT NO EXHAUST SMOKE COMES OUT (FUEL IS NOT BEING INJECTED)....177 (3) EXHAUST GAS COMES OUT BUT ENGINE DOES NOT START (FUEL IS BEING INJECTED)....179 S-3 ENGINE DOES NOT PICK-UP SMOOTHLY (FOLLOW-UP IS POOR)............................180 S-4 ENGINE STOPS DURING OPERATIONS..................................................181 S-5 ENGINE DOES NOT ROTATE SMOOTHLY (HUNTING).......................................184 S-6 ENGINE LACKS OUTPUT (NO POWER)..................................................186 S-7 EXHAUST SMOKE IS BLACK (INCOMPLETE COMBUSTION)..................................188 S-8 OIL COMSUMPTION IS EXCESSIVE (OR EXHAUST SMOKE IS BLUE).........................190 S-9 OIL BECOMES CONTAMINATED QUICKLY................................................191 S-10 FUEL CONSUMPTION IS EXCESSIVE..................................................192 S-11 OIL IS IN COOLING WATER, OR WATER SPURTS BACK, OR WATER LEVER GOES DOWN........194 S-12 OIL PRESSURE LAMP LIGHTS UP (DROP IN OIL PRESSURE).............................195 S-13 OIL LEVEL RISES................................................................196 S-14 WATER TEMPERATURE BECOMES TOO HIGH (OVERHEATING)...............................197 S-15 ABNORMAL NOISE IS MADE.........................................................198 S-16 VIBRATION IS EXCESSIVE.........................................................199 TOOL LIST...........................................................................200 TESTING AND ADJUSTING DATA..........................................................201 13 DISASSEMBLY AND ASSEMBLY.................................................................205 SPECIAL TOOL LIST.......................................................................206 DISASSEMBLY.............................................................................207 WASHING.................................................................................225 WASHING CYLINDER BLOCK..................................................................225 WASHING CRANKSHAFT......................................................................225 MEASURING PARTS.........................................................................226 ASSEMBLY................................................................................232 14 MAINTENANCE STANDARD.....................................................................269 TURBOCHARGER............................................................................270 CYLINDER HEAD...........................................................................274 VALVES AND VALVE GUIDE..................................................................275 CROSSHEAD AND CROSSHEAD GUIDE...........................................................276 PUSH ROD AND CAM FOLLOWER...............................................................277 CYLINDER BLOCK..........................................................................278 CYLINDER LINER..........................................................................280 CRANKSHAFT..............................................................................281 CAMSHAFT................................................................................282 TIMING GEAR.............................................................................283 PISTON..................................................................................285 CONNECTING ROD..........................................................................286 OIL PUMP................................................................................287 OIL PUMP RELIEF VALVE, PISTON COOLING VALVE AND OIL COOLER BY-PASS VALVE................288 WATER PUMP..............................................................................289 15 REPAIR AND REPLACEMENT OF PARTS..........................................................290 TABLE OF SPECIAL TOOLS..................................................................291 CYLINDER HEAD...........................................................................292 TESTING AND INSPECTING..................................................................293 REPAIRING MOUNTING FACE OF CYLINDER HEAD BY GRINDING....................................295 REPLACING VALVE SEAT INSERTS............................................................296 REPLACING NOZZLE HOLDER SLEEVE..........................................................302 PRESSURE TEST METHOD....................................................................305 REPLACING VALVE GUIDE...................................................................306 REPLACING CROSS HEAD GUIDE..............................................................307 GRINDING THE VALVE......................................................................308 CYLINDER BLOCK..........................................................................309 TESTING AND INSPECTING..................................................................310 GRINDING THE TOP SURFACE OF CYLINDER BLOCK..............................................312 REPLACING MAIN BEARING CAP..............................................................318 REPLACING CAM BUSHING...................................................................320 CRANKSHAFT..............................................................................322 REPAIRING THE CRANKSHAFT................................................................329 CONNECTING ROD..........................................................................337 REPLACING CRANKSHAFT GEAR...............................................................339 REPLACING CAMSHAFT GEAR.................................................................340 REPLACING FLYWHEEL RING GEAR............................................................341
DESCRIPTION:
KOMATSU 6D170-2 SERIES DIESEL ENGINE SHOP MANUAL SEBM008107 – PDF DOWNLOAD
GENERAL
This shop manual has been prepared as an aid to Improve the quality at 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 at this manual and use it to full effect at every opportunity.
This shop manual mainly contains the necessary technical information tor operations performed in a service workshop. For ease of understanding, the manual ls divided Into the following chapters; these chapters are further divided into the each main group of components.
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 tolerance material for troubleshooting. In addition. this section may contain hydraulic circuit diagrams. electric circuit diagrams. and maintenance standards.
TESTING AND ADJUSTTNG
This section explains checks to be made before and after performing repairs, as we! as adjustments to be made at completion of the checks and repairs. Troubleshooting charts correlating ‘Problems” with ‘Causes‘ are also included in this section.
DISASSEMBLY AND ASSEMBLY
This section explains the procedures for removing. installing. disassembling and assembling each component. as well as precautions tor them.
MAINTENANCE STANDARD
This section gives the Judgment standards for inspection of disassembled parts. The contents of this section may be described in STRUCTURE AND FUNCTION.
OTHERS
This section mainly gives hydraulic circuit diagrams and electric circuit diagrams. In addition. this section may give the specifications of attachments and options together.
S.S 21/12/24
