Komatsu 12V170-1 SERIES ENGINE Service Manual SEBE61800105 – PDF DOWNLOAD

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Komatsu 12V170-1 SERIES ENGINE Service Manual SEBE61800105 – PDF DOWNLOAD

FILE DETAILS:

Komatsu 12V170-1 SERIES ENGINE Service Manual SEBE61800105 – PDF DOWNLOAD

Language : English
Pages :307
Downloadable : Yes
File Type : PDF

DESCRIPTION:

Komatsu 12V170-1 SERIES ENGINE Service Manual SEBE61800105 – PDF DOWNLOAD

GENERAL PRECAUTIONS

TABLE OF CONTENTS:

Komatsu 12V170-1 SERIES ENGINE Service Manual SEBE61800105 – PDF DOWNLOAD

COVER 1
CONTENTS 2
01 GENERAL 25
SPECIFICATIONS 26
ENGINE PERFORMANCE CURVE 30
WEIGHT TABLE 41
11 STRUCTURE AND FUNCTION 43
GENERAL STRUCTURE 44
INTAKE AND EXHAUST SYSTEM 46
AFTER-COOLER 46
TURBOCHARGER 47
ENGINE BODY 50
CYLINDER HEAD 50
VALVE SYSTEM 51
CYLINDER BLOCK 53
MAIN REVOLVING PART 54
TIMING GEAR 55
FLYWHEEL AND FLYWHEEL HOUSING 57
LUBRICATION SYSTEM 58
LUBRICATION SYSTEM CHART 58
OIL PUMP 60
OIL FILTER 61
OIL COOLER 63
OIL COOLER BYPASS VALVE 64
PISTON COOLING VALVE 64
MECHANICAL PUMP 65
FUEL SYSTEM 66
FUEL SYSTEM CHART 66
FUEL INJECTION PUMP 69
FEED PUMP 70
FUEL INJECTION NOZZLE 71
FUEL INJECTION PUMP DRIVE 72
FUEL FILTER 74
INJECTION PUMP RACK CONTROLLER 75
AUTOMATIC TIMER 77
FUEL SOLENOID 78
ENGINE STOP MOTOR 79
COOLING SYSTEM 84
COOLING SYSTEM CHART 84
WATER PUMP 86
WATER PUMP DRIVE 88
FAN DRIVE AND TENSION PULLEY 89
CORROSION RESISTOR 92
THERMOSTAT 93
ACCESSORY 94
AIR COMPRESSOR MOUNTING 94
AIR COMPRESSOR 95
ALTERNATOR WITH REGULATOR 96
STARTING MOTOR 97
AIR STARTING MOTOR 98
12 TESTING AND ADJUSTING 99
COOLING SYSTEM100
CHECKING AND ADJUSTING FAN BELT TENSION100
CHECKING AND ADJUSTING ALTERNATOR BELT TENSION101
ENGINE BODY102
ADJUSTING VALVE CLEARANCE102
MEASURING COMPRESSION PRESSURE103
MEASURING BLOW-BY104
FUEL SYSTEM105
TESTING AND ADJUSTING FUEL INJECTION TIMING105
ADJUSTING FUEL INJECTION PUMP RACK LINKAGE107
ADJUSTING ENGINE STOP MOTOR108
ADJUSTING ENGINE SPEED SENSOR109
ADJUSTING FUEL INJECTION PRESSURE (VALVE CRACKING PRESSURE)110
FUEL INJECTION PUMP CALIBRATION DATA112
PERFORMANCE TEST119
RUN-IN STANDARD119
PERFORMANCE TEST CRITERIA121
TESTING AND ADJUSTING DATA125
TESTING AND ADJUSTING TOOL LIST129
TROUBLESHOOTING131
POINTS TO REMEMBER WHEN TROUBLESHOOTING132
METHOD OF USING TROUBLESHOOTING CHART133
S-1 STARTING PERFORMANCE IS POOR (STARTING ALWAYS TAKES TIME)137
S-2 ENGINE DOES NOT START138
(1) ENGINE DOES NOT TURN138
(2) ENGINE TURNS BUT NO EXHAUST SMOKE COMES OUT (FUEL IS NOT BEING INJECTED)139
(3) EXHAUST SMOKE COMES OUT BUT ENGINE DOES NOT START (FUEL IS BEING INJECTED)140
S-3 ENGINE DOES NOT PICK-UP SMOOTHLY (FOLLOW-UP IS POOR)141
S-4 ENGINE STOPS DURING OPERATIONS142
S-5 ENGINE DOES NOT ROTATE SMOOTHLY (HUNTING)143
S-6 ENGINE LACKS OUTPUT (NO POWER)144
S-7 EXHAUST SMOKE IS BLACK (INCOMPLETE COMBUSTION)145
S-8 OIL CONSUMPTION IS EXCESSIVE (OR EXHAUST SMOKE IS BLUE)146
S-9 OIL BECOMES CONTAMINATED QUICKLY147
S-10 FUEL CONSUMPTION IS EXCESSIVE148
S-11 OIL IS IN COOLING WATER, OR WATER SPURTS BACK, OR WATER LEVEL GOES DOWN149
S-12 OIL PRESSURE CAUTION LAMP LIGHTS UP (DROP IN OIL PRESSURE)150
S-13 OIL LEVEL RISES151
S-14 WATER TEMPERATURE BECOMES TOO HIGH (OVERHEATING)152
S-15 ABNORMAL NOISE IS MADE153
S-16 VIBRATION IS EXCESSIVE154
13 DISASSEMBLY AND ASSEMBLY155
GENERAL DISASSEMBLY CONTENTS156
DISASSEMBLY157
1 WASHING157
2 SETTING ENGINE STAND157
3 ENGINE COOLING WATER AND ENGINE OIL157
4 BY-PASS FILTER (D575A-2,575A-2SD)158
5 AIR CLEANER AND MUFFLER ASSEMBLY158
6 TUBE FOR OIL FILTER159
7 OIL FILTER159
8 CORROSION RESISTOR159
9 FUEL TUBE159
10 FILTER BRACKET159
11 EXHAUST MANIFOLD COVER160
12 TURBOCHARGER ASSEMBLY160
13 EXHAUST CONNECTOR162
14 WATER TUBE,TURBOCHARGER LUBRICATION TUBE,EXHAUST TUBE 162
15 BRACKET,OIL CONNECTOR,BREATHER162
16 WATER TUBE163
17 AFTER-COOLER ASSEMBLY163
18 PLATE,CASE164
19 FUEL INJECTION PIPES,SPILL TUBES164
20 FUEL TUBES165
21 LUBRICATION HOSES,BOOST COMPENSATOR HOSE166
22 LUBRICATION TUBES (D575A-2,D575A-2SD)167
22A MECHANICAL PUMP ASSEMBLY (EXCEPT D575A-2,D575A-2SD)167
23 FUEL INJCTION PUMP ASSEMBLY167
24 EXHAUST MANIFOLD169
25 ALTERNAOR ASSEMBLY (EXCEPT D575A-2,D575A-2SD)169
26 WATER PUMP ASSEMBLY169
27 AIR COMPRESSOR ASSEMBLY (EXCEPT D575A-2,D575A-2SD)169
28 OIL COOLER ASSEMBLY170
29 OIL PAN171
30 AIR VENT TUBE171
31 THERMOSTAT ASSEMBLY171
32 CYLINDER HEAD COVERS172
33 NOZZLE HOLDERS172
34 ROCKER ARM HOUSING ASSEMBLY173
35 PUSH RODS173
36 CROSSHEADS173
37 CYLINDER HEAD ASSEMBLY173
38 OIL PUMP ASSEMBLY174
39 STARTING MOTOR ASSEMBLY175
40 FLYWHEEL175
41 FLYWHEEL HOUSING176
42 CRANKSHAFT PULLEY,VIBRATION DAMPER176
43 DRIVE CASE ASSEMBLY176
44 RETAINER,FRONT SUPPORT176
45 GEAR CASE COVER,TIMER CASE COVER177
46 TIMER ASSEMBLY177
47 FUEL INJECTION PUMP DRIVE CASE177
48 INTAKE MANIFOLD177
49 CAM FOLLOWER178
50 GEAR TRAIN178
51 CAMSHAFT ASSEMBLY178
52 GEAR CASE179
53 MAIN GALLERY PLUG,OIL PLUG,COOLING VALVE179
54 SIDE COVER179
55 PISTON COOLING NOZZLE180
56 CHANGING POSITION OF ENGINE180
57 PISTON AND CONNECTING ROD ASSEMBLY180
58 CRANKSHAFT181
59 CYLINDER LINER182
GENERAL ASSEMBLY CONTENTS183
ASSEMBLY185
1 CYLINDER LINER186
2 CRANKSHAFT188
3 PISTON,CONNECTING ROD ASSEMBLY192
4 CHANGING POSITION OF ENGINE197
5 PISTON COOLING NOZZLE197
6 SIDE COVER197
7 MAIN GALLERY PLUG,OIL PLUG,COOLING VALVE197
8 GEAR CASE197
9 CAMSHAFT ASSEMBLY199
10 GEAR TRAIN200
11 CAM FOLLOWER202
12 INTAKE MANIFOLD202
13 PUMP DRIVE CASE203
14 AUTO TIMER ASSEMBLY203
15 FRONT SHAFT205
16 GEAR CASE COVER205
17 TIMER COVER206
18 WATER PUMP DRIVE CASE206
19 COMPRESSOR DRIVE CASE208
20 BREATHER CONNECTOR208
21 FRONT SEAL209
22 FRONT SUPPORT209
23 VIBRATION DAMPER209
24 PISTON COOLING VALVE211
25 OIL COOLER ASSEMBLY211
26 WATER PUMP ASSEMBLY213
27 FLYWHEEL HOUSING ASSEMBLY214
28 REAR SEAL215
29 FLYWHEEL216
30 STARTING MOTOR ASSEMBLIES217
31 CYLINDER HEAD ASSEMBLY217
32 CROSSHEAD220
33 ROCKER HOUSING220
34 PUSH ROD221
35 ROCKER ARM ASSEMBLY221
36 INJECTION NOZZLE ASSEMBLY223
37 AFTERCOOLER ASSEMBLY223
38 WATER TUBES224
39 HEAD COVER224
40 THERMOSTAT CASE ASSEMBLIES225
41 FUEL INJECTION PUMP ASSEMBLY226
42 AIR VENT TUBE228
43 MUFFLER BRACKET228
44 SPILL HOSES229
45 LUBRICATION TUBES229
46 BOOST COMPENSATOR HOSE229
47 FUEL AIR VENT HOSES229
48 INJECTION PUMP LUBRICATION PIPING230
49 FUEL SUPPLY,OVERFLOW PIPES230
50 FUEL INJECTION TUBES230
51 BRAKET,OIL CONNECTOR230
52 EXHAUST MANIFOLD231
53 TURBOCHARGER LUBRICATION PIPING,COOLANT WATER PIPING232
54 EXHAUST CONNECTOR232
55 TURBOCHARGER ASSEMBLY233
56 EXHAUST MANIFOLD COVER234
57 OIL FILLER234
58 BYPASS TUBE235
59 BLOWBY HOSE235
60 OIL PUMP ASSEMBLY235
61 OIL PAN236
62 OIL LEVEL SENSOR,DRAIN VALVE236
63 FILTER BRACKET237
64 FUEL TUBE237
65 CORROSION RESISTOR237
66 OIL FILTER237
67 TUBE FOR OIL FILTER237
68 INTAKE PIPES237
69 AIR CLEANER,MUFFLER ASSEMBLY238
70 BYPASS FILTER ASSEMBLY238
14 MAINTENANCE STANDARD239
INTAKE AND EXHAUST SYSTEM240
TURBOCHARGER240
ENGINE BODY242
CYLINDER HEAD242
VALVES AND VALVE GUIDE243
CROSSHEAD AND CROSSHEAD GUIDE244
ROCKER ARM SHAFT245
PUSH ROD AND CAM FOLLOWER246
CYLINDER BLOCK247
CYLINDER LINER249
CAMSHFT250
CRANKSHAFT251
PISTON253
CONNECTING ROD254
TIMING GEAR255
FLYWHEEL, FLYWHEEL HOUSING256
LUBRICATION SYSTEM257
OIL PUMP257
MAIN RELIEF VALVE, PISTON COOLING VALVE AND OIL COOLER BYPASS VALVE258
COOLING SYSTEM259
WATER PUMP259
15 REPAIR AND REPLACEMENT OF PARTS260
CYLINDER HEAD261
TESTING AND INSPECTING262
REPAIRING MOUNTING FACE OF CYLINDER HEAD BY GRINDING264
REPLACING VALVE SEAT INSERTS265
REPLACING NOZZLE HOLDER SLEEVE270
REPLACING VALVE GUIDE274
REPLACING CROSS HEAD GUIDE275
GRINDING THE VALVE276
CYLINDER BLOCK277
TESTING AND INSPECTING278
GRINDING THE TOP SURFACE OF CYLINDER BLOCK280
REPLACING MAIN METAL CAP285
REPLACING CAM BUSHING287
CRANKSHAFT288
REPLACING THE CRANKSHAFT295
CONNECTING ROD303
REPLACING CAM GEAR307
REPLACING FLYWHEEL RING GEAR307

IMAGES PREVIEW OF THE MANUAL:

S.M 13/12/24