Komatsu PC50UU-1 Shop Manual SEBM020U0104 – PDF DOWNLOAD

Description

Komatsu PC50UU-1 Shop Manual SEBM020U0104 – PDF DOWNLOAD

FILE DETAILS:

Komatsu PC50UU-1 Shop Manual SEBM020U0104 – PDF DOWNLOAD

Language : English
Pages :189
Downloadable : Yes
File Type : PDF

DESCRIPTION:

Komatsu PC50UU-1 Shop Manual SEBM020U0104 – PDF DOWNLOAD

FOREWORD

• This shop manual has been prepared as an aid to improve the quality of repairs by giving the serviceman 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.
DISASSEMBL V AND ASSEMBL V
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

TABLE OF CONTENTS:

Komatsu PC50UU-1 Shop Manual SEBM020U0104 – PDF DOWNLOAD

COVER 1
CONTENTS 2
10 STRUCTURE AND FUNCTION 15
POWER TRAIN 16
SWING MACHINERY 17
SWING CIRCLE 18
TRACK FRAME AND RECOIL SPRING 19
IDLER 21
TRACK ROLLER 22
TRACK SHOE 23
HYDRAULIC PIPING 24
HYDRAULIC CIRCUIT SCHEMATICS 25
HYDRAULIC CIRCUIT DIAGRAM 27
HYDRAULIC TANK AND FUEL TANK 29
HYDRAULIC PUMP 30
6-SPOOL CONTROL VALVE 31
3-SPOOL CONTROL VALVE 35
SUCTION VALVE 38
SWING MOTOR 40
CENTER SWIVEL JOINT 41
TRAVEL MOTOR WITH REDUCTION GEAR 42
1 TRAVEL MOTOR AND FINAL DRIVE 43
2 BRAKE VALVE 46
HYDRAULIC CYLINDER 48
WORK EQUIPMENT CONTROL 51
WORK EQUIPMENT 52
ELECTRICAL CIRCUIT 53
20 TESTING AND ADJUSTING 55
TABLE OF JUDGEMENT STANDARD VALUE 56
TESTING AND ADJUSTING TOOL LIST 71
ADJUSTING VALVE CLEARANCE 72
MEASURING COMPRESSION PRESSURE 73
ADJUSTING FUEL INJECTION TIMING 74
TESTING AND ADJUSTING HYDRAULIC PRESSURE 75
MEASURING OIL LEAKAGE FROM SWING AND TRAVEL MOTOR 77
MEASURING OIL LEAKAGE FROM CYLINDER 78
CHECKING FOR OIL LEAKAGE FROM SWIVEL JOINT 79
TROUBLESHOOTING 80
PREPARATION OF TROUBLESHOOTING 81
HOW TO USE DIAGNOSTIC TABLE 83
PREVENTING RECURRENCE OF THE SAME TROUBLE 85
DIAGNOSTIC TABLE 86
1BUCKET CURL(DUMP)LACKS POWER OR SPEED 86
2ARM(BOOM)LACKS POWER OR SPEED 87
3IMPOSSIBLE TO CURL OR DUMP BUCKET 88
4IMPOSSIBLE TO MOVE WORK EQUPIMENT(BOOM,ARM) 89
5HYDRAULIC DRIFT OF WORK EQUIPMENT IS EXCESSIVE(BOOM,ARM,BUCKET,BLADE) 90
6BLADE,BOOM,OFFSET SPEED TOO LOW 91
7BLADE,BOOM,OFFSET DO NOT MOVE 92
8LEFT(OR RIGHT)SWING LACKS POWER OR SPEED 93
9IMPOSSIBLE TO SWING TO LEFT(OR RIGHT) 94
10HYDRAULIC DRIFT OF SWING ON SLOPES IS EXCESSIVE 95
11SWING BRAKE ANGLE IS EXCESSIVE 96
12MACHINE DEVIATES TO ONE SIDE WHEN TRAVELING 97
13IMPOSSIBLE TO TRAVEL FORWARD(OR REVERSE) 98
30 DISASSEMBLY AND ASSEMBLY 99
METHOD OF READING MANUAL101
SPECIAL TOOL LIST103
WEIGHT TABLE105
TIGHTENING TORQUE TABLE106
LIST OF LUBRICANT AND WATER108
STARTING MOTOR109
REMOVAL109
INSTALLATION109
ALTERNATOR109
REMOVAL109
INSTALLATION109
NOZZLE HOLDER111
REMOVAL111
INSTALLATION111
RADIATOR111
REMOVAL111
INSTALLATION111
FUEL INJECTION PUMP113
REMOVAL113
INSTALLATION113
CYLINDER HEAD115
REMOVAL115
INSTALLAION115
FAN PULLEY117
REMOVAL117
INSTALLATION117
WATER PUMP117
REMOVAL117
INSTALLATION117
THERMOSTAT117
REMOVAL117
INSTALLATION117
ENGINE119
REMOVAL119
INSTALLATION119
SWING CIRCLE121
REMOVAL121
INSTALLATION121
SWING MACHINERY121
REMOVAL121
INSTALLATION121
DISASSEMBLY123
ASSEMBLY125
CENTER SWIVEL JOINT127
REMOVAL127
INSTALLATION127
DISASSEMBLY127
ASSEMBLY127
SWING MOTOR129
REMOVAL129
INSTALLATION129
TRAVEL MOTOR129
REMOVAL129
INSTALLATION129
REVOLVING FRAME131
REMOVAL131
INSTALLATION131
IDLER133
REMOVAL133
INSTALLATION133
RECOIL SPRING133
REMOVAL133
INSTALLAION133
DISASSEMBLY133
ASSEMBLY133
TRACK ROLLER135
REMOVAL135
INSTALLATION135
TRACK SHOE137
REMOVAL137
INSTALLAION137
HYDRAULIC PUMP139
REMOVAL139
INSTALLATION139
6-SPOOL CONTROL VALVE141
REMOVAL141
INSTALLATION141
3-SPOOL CONTROL VALVE141
REMOVAL141
INSTALLATION141
6-SPOOL CONTROL VALVE143
DISASSEMBLY143
ASSEMBLY143
3-SPOOL CONTROL VALVE145
DISASSEMBLY145
ASSEMBLY145
MAIN RELIEF VALVE147
REMOVAL147
INSTALLATION147
DISASSEMBLY147
ASSEMBLY147
BOOM CYLINDER149
REMOVAL149
INSTALLATION149
ARM CYLINDER149
REMOVAL149
INSTALLATION149
BUCKET CYLINDER 151
REMOVAL151
INSTALLATION151
BLADE CYLINDER151
REMOVAL151
INSTALLATION151
OFFSET CYLINDER153
REMOVAL153
INSTALLATION153
HYDRAULIC CYLINDER155
DISASSEMBLY155
ASSEMBLY157
WORK EQUIPMENT159
REMOVAL159
INSTALLATION159
BLADE159
REMOVAL159
INSTALLATION159
ARM AND BUCKET161
REMOVAL161
INSTALLATION161
BUCKET 161
REMOVAL161
INSTALLATION161
ARM163
REMOVAL163
INSTALLATION163
BOOM 165
REMOVAL165
INSTALLATION165
SECOND BOOM167
REMOVAL167
INSTALLATION167
THIRD BOOM167
REMOVAL167
INSTALLATION167
SECONG AND THIRD BOOM(WITH ARM CYLINDER ASSEMBLY)169
REMOVAL169
INSTALLATION169
FLOOR FRAME169
REMOVAL169
INSTALLATION169
40 MAINTENANCE STANDARD171
SWING MACHINERY172
SWING CIRCLE173
TRACK FRAME174
IDLER176
TRACK ROLLER178
TRACK SHOE180
SPROCKET181
HYDRAULIC PUMP182
6-SPOOL CONTROL VALVE183
3-SPOOL CONTROL VALVE185
CENTER SWIVEL JOINT186
HYDRAULIC CYLINDER187
WORK EQUIPMENT188

IMAGES PREVIEW OF THE MANUAL:

S.M 12/12/24