Trusted Business
Verified & Licensed
Virus Free Files
100% Safe Downloads
Secure Payment
SSL Protected
Instant Delivery
Available Immediately
Sale!
KOMATSU PC50UU-1 SERVICE REPAIR MANUAL (SN:1001 & UP) KOMATSU PC50UU 1 – PDF DOWNLOAD
Original price was: $79.95.$28.95Current price is: $28.95.
- KOMATSU PC50UU-1 SERVICE REPAIR MANUAL
- SERIAL NUMBER:1001 & UP
- PUBLICATION NUMBER:SEBM020U0104
Instant PDF Download
Available immediately
Save to Your Device
Download & keep forever
Antivirus Scanned
100% virus-free
Trusted Worldwide
175,000+ customers
Description
KOMATSU PC50UU-1 SERVICE REPAIR MANUAL (SN:1001 & UP) KOMATSU PC50UU 1
KOMATSU PC50UU-1 SERVICE REPAIR MANUAL (SN:1001 & UP) KOMATSU PC50UU 1 – PDF DOWNLOAD:
IMAGE PREVIEW:
DESCRIPTION:
KOMATSU PC50UU-1 SERVICE REPAIR MANUAL (SN:1001 & UP) KOMATSU PC50UU 1
- This shop manual has been prepared as an aid to improve the quality of 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 remdving, 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 SERVICE REPAIR MANUAL (SN:1001 & UP) KOMATSU PC50UU 1
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 1.BUCKET CURL(DUMP)LACKS POWER OR SPEED.................................... 86 2.ARM(BOOM)LACKS POWER OR SPEED............................................ 87 3.IMPOSSIBLE TO CURL OR DUMP BUCKET........................................ 88 4.IMPOSSIBLE TO MOVE WORK EQUPIMENT(BOOM,ARM).............................. 89 5.HYDRAULIC DRIFT OF WORK EQUIPMENT IS EXCESSIVE(BOOM,ARM,BUCKET,BLADE).... 90 6.BLADE,BOOM,OFFSET SPEED TOO LOW.......................................... 91 7.BLADE,BOOM,OFFSET DO NOT MOVE............................................ 92 8.LEFT(OR RIGHT)SWING LACKS POWER OR SPEED................................. 93 9.IMPOSSIBLE TO SWING TO LEFT(OR RIGHT).................................... 94 10.HYDRAULIC DRIFT OF SWING ON SLOPES IS EXCESSIVE......................... 95 11.SWING BRAKE ANGLE IS EXCESSIVE.......................................... 96 12.MACHINE DEVIATES TO ONE SIDE WHEN TRAVELING............................. 97 13.IMPOSSIBLE TO TRAVEL FORWARD(OR REVERSE)................................ 98 30 DISASSEMBLY AND ASSEMBLY............................................................ 99 METHOD OF READING MANUAL...........................................................101 SPECIAL TOOL LIST..................................................................103 WEIGHT TABLE.......................................................................105 TIGHTENING TORQUE TABLE............................................................106 LIST OF LUBRICANT AND WATER........................................................108 STARTING MOTOR.....................................................................109 REMOVAL........................................................................109 INSTALLATION...................................................................109 ALTERNATOR.........................................................................109 REMOVAL........................................................................109 INSTALLATION...................................................................109 NOZZLE HOLDER......................................................................111 REMOVAL........................................................................111 INSTALLATION...................................................................111 RADIATOR...........................................................................111 REMOVAL........................................................................111 INSTALLATION...................................................................111 FUEL INJECTION PUMP................................................................113 REMOVAL........................................................................113 INSTALLATION...................................................................113 CYLINDER HEAD......................................................................115 REMOVAL........................................................................115 INSTALLAION....................................................................115 FAN PULLEY.........................................................................117 REMOVAL........................................................................117 INSTALLATION...................................................................117 WATER PUMP.........................................................................117 REMOVAL........................................................................117 INSTALLATION...................................................................117 THERMOSTAT.........................................................................117 REMOVAL........................................................................117 INSTALLATION...................................................................117 ENGINE.............................................................................119 REMOVAL........................................................................119 INSTALLATION...................................................................119 SWING CIRCLE.......................................................................121 REMOVAL........................................................................121 INSTALLATION...................................................................121 SWING MACHINERY....................................................................121 REMOVAL........................................................................121 INSTALLATION...................................................................121 DISASSEMBLY....................................................................123 ASSEMBLY.......................................................................125 CENTER SWIVEL JOINT................................................................127 REMOVAL........................................................................127 INSTALLATION...................................................................127 DISASSEMBLY....................................................................127 ASSEMBLY.......................................................................127 SWING MOTOR........................................................................129 REMOVAL........................................................................129 INSTALLATION...................................................................129 TRAVEL MOTOR.......................................................................129 REMOVAL........................................................................129 INSTALLATION...................................................................129 REVOLVING FRAME....................................................................131 REMOVAL........................................................................131 INSTALLATION...................................................................131 IDLER..............................................................................133 REMOVAL........................................................................133 INSTALLATION...................................................................133 RECOIL SPRING......................................................................133 REMOVAL........................................................................133 INSTALLAION....................................................................133 DISASSEMBLY....................................................................133 ASSEMBLY.......................................................................133 TRACK ROLLER.......................................................................135 REMOVAL........................................................................135 INSTALLATION...................................................................135 TRACK SHOE.........................................................................137 REMOVAL........................................................................137 INSTALLAION....................................................................137 HYDRAULIC PUMP.....................................................................139 REMOVAL........................................................................139 INSTALLATION...................................................................139 6-SPOOL CONTROL VALVE..............................................................141 REMOVAL........................................................................141 INSTALLATION...................................................................141 3-SPOOL CONTROL VALVE..............................................................141 REMOVAL........................................................................141 INSTALLATION...................................................................141 6-SPOOL CONTROL VALVE..............................................................143 DISASSEMBLY....................................................................143 ASSEMBLY.......................................................................143 3-SPOOL CONTROL VALVE..............................................................145 DISASSEMBLY....................................................................145 ASSEMBLY.......................................................................145 MAIN RELIEF VALVE..................................................................147 REMOVAL........................................................................147 INSTALLATION...................................................................147 DISASSEMBLY....................................................................147 ASSEMBLY.......................................................................147 BOOM CYLINDER......................................................................149 REMOVAL........................................................................149 INSTALLATION...................................................................149 ARM CYLINDER.......................................................................149 REMOVAL........................................................................149 INSTALLATION...................................................................149 BUCKET CYLINDER ...................................................................151 REMOVAL........................................................................151 INSTALLATION...................................................................151 BLADE CYLINDER.....................................................................151 REMOVAL........................................................................151 INSTALLATION...................................................................151 OFFSET CYLINDER....................................................................153 REMOVAL........................................................................153 INSTALLATION...................................................................153 HYDRAULIC CYLINDER.................................................................155 DISASSEMBLY....................................................................155 ASSEMBLY.......................................................................157 WORK EQUIPMENT.....................................................................159 REMOVAL........................................................................159 INSTALLATION...................................................................159 BLADE..............................................................................159 REMOVAL........................................................................159 INSTALLATION...................................................................159 ARM AND BUCKET.....................................................................161 REMOVAL........................................................................161 INSTALLATION...................................................................161 BUCKET ............................................................................161 REMOVAL........................................................................161 INSTALLATION...................................................................161 ARM................................................................................163 REMOVAL........................................................................163 INSTALLATION...................................................................163 BOOM ..............................................................................165 REMOVAL........................................................................165 INSTALLATION...................................................................165 SECOND BOOM........................................................................167 REMOVAL........................................................................167 INSTALLATION...................................................................167 THIRD BOOM.........................................................................167 REMOVAL........................................................................167 INSTALLATION...................................................................167 SECONG AND THIRD BOOM(WITH ARM CYLINDER ASSEMBLY)..................................169 REMOVAL........................................................................169 INSTALLATION...................................................................169 FLOOR FRAME........................................................................169 REMOVAL........................................................................169 INSTALLATION...................................................................169 40 MAINTENANCE STANDARD................................................................171 SWING MACHINERY....................................................................172 SWING CIRCLE.......................................................................173 TRACK FRAME........................................................................174 IDLER..............................................................................176 TRACK ROLLER.......................................................................178 TRACK SHOE.........................................................................180 SPROCKET...........................................................................181 HYDRAULIC PUMP.....................................................................182 6-SPOOL CONTROL VALVE..............................................................183 3-SPOOL CONTROL VALVE..............................................................185 CENTER SWIVEL JOINT................................................................186 HYDRAULIC CYLINDER.................................................................187 WORK EQUIPMENT.....................................................................188
PLEASE NOTE:
⦁ This is the same manual used by the dealers to diagnose and troubleshoot your vehicle
⦁ You will be directed to the download page as soon as the purchase is completed. The whole payment and downloading process will take anywhere between 2-5 minutes
⦁ Need any other service / repair / parts manual, please feel free to contact [email protected] . We still have 50,000 manuals unlisted
