Komatsu PC130-7 Shop Manual
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Komatsu PC130-7 Shop Manual

Komatsu PC130-7 Shop Manual

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MACHINE MODEL
PC130-7
• This shop manual may contain attachiments and optional equipment that are not available in your
area. Please consult your local Komatsu distributor for those items you may require.
Materials and specifications are subject to change without notice.
• PC130-7 mounts the SAA4D95LE-3 engine.
For details of the engine, see the 95-3 Series Engine Shop Manual.
© 2004
All Rights Reserved
Printed in Japan 10-04(02)
SERIAL NUMBER
70001 and up
SEBM036303
00-1
(3)

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Summary of Contents for Komatsu PC130-7

  • Page 1 70001 and up • This shop manual may contain attachiments and optional equipment that are not available in your area. Please consult your local Komatsu distributor for those items you may require. Materials and specifications are subject to change without notice.
  • Page 2 CONTENTS No. of page GENERAL ........................01-1 STRUCTURE AND FUNCTION ..............10-1 TESTING AND ADJUSTING ...............20-1 DISASSEMBLY AND ASSEMBLY ............30-1 MAINTENANCE STANDARD ..............40-1 OTHERS ........................90-1 00-2 PC130-7 Find manuals at https://best-manuals.com...
  • Page 3 01-9 10-40 10-77 10-118 20-4 10-41 10-78 10-119 20-5 10-1 10-42 10-79 10-120 20-6 10-2 10-43 10-80 10-121 20-7 10-3 10-44 10-81 10-122 20-8 10-4 10-45 10-82 10-124 20-9 10-5 10-46 10-83 10-125 20-10 00-2-1 PC130-7 Find manuals at https://best-manuals.com...
  • Page 4 20-144 20-320 20-409 20-461 20-226 20-145 20-321 20-410 20-462 20-228 20-146 20-322 20-411 20-463 20-229 20-147 20-323 20-412 20-464 20-230 20-148 20-324 20-413 20-465 20-231 20-149 20-325 20-414 20-466 20-232 20-150 20-326 20-415 20-467 00-2-2 PC130-7 Find manuals at https://best-manuals.com...
  • Page 5 30-36 30-87 40-36 20-611 30-37 30-88 40-37 20-612 30-38 30-89 40-38 20-613 30-39 30-90 40-39 20-614 30-40 30-91 40-40 20-615 30-41 30-92 40-41 20-616 30-42 30-93 20-617 30-43 30-94 90-1 20-618 30-44 30-95 90-3 00-2-3 PC130-7 Find manuals at https://best-manuals.com...
  • Page 6 Proper service and repair is extremely important for safe machine operation. The service and repair techniques recommended by Komatsu and described in this manual are both effective and safe. Some of these techniques require the use of tools specially designed by Komatsu for the specific purpose.
  • Page 7 SAFETY SAFETY NOTICE PRECAUTIONS DURING WORK 19.Be sure to assemble all parts again in their origi- nal places. 11.When removing the oil filler cap, drain plug or Replace any damaged parts with new parts. hydraulic pressure measuring plugs, loosen • When installing hoses and wires, be sure them slowly to prevent the oil from spurting out.
  • Page 8 FOREWORD GENERAL FOREWORD GENERAL 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 judge- ments.
  • Page 9 DISTRIBUTION AND UPDATING Any additions, amendments or other changes will be Symbol Item Remarks sent to KOMATSU distributors. Get the most up-to- date information before you start any work. Special safety precautions Safety are necessary when per- forming the work.
  • Page 10 FOREWORD HOISTING INSTRUCTIONS HOISTING INSTRUCTIONS HOISTING Slinging near the edge of the hook may cause k Heavy parts (25 kg or more) must be lifted the rope to slip off the hook during hoisting, and a serious accident can result. Hooks have max- with a hoist, etc.
  • Page 11 FOREWORD METHOD OF DISASSEMBLING, CONNECTING PUSH-PULL TYPE COUPLER METHOD OF DISASSEMBLING, CONNECTING PUSH-PULL TYPE COUPLER k Before carrying out the following work, release Type 1 the residual pressure from the hydraulic tank. For details, see TESTING AND ADJUSTING, Releasing residual pressure from hydraulic tank.
  • Page 12 FOREWORD METHOD OF DISASSEMBLING, CONNECTING PUSH-PULL TYPE COUPLER Type 2 Type 3 1) Hold the mouthpiece of the tightening portion 1) Hold the mouthpiece of the tightening portion and push body (2) in straight until sliding pre- and push body (2) in straight until sliding pre- vention ring (1) contacts contact surface a of vention ring (1) contacts contact surface a of the hexagonal portion at the male end.
  • Page 13 ★ The recommended coating materials such as adhesives, gasket sealants and greases used for disassembly and assembly are listed below. ★ For coating materials not listed below, use the equivalent of products shown in this list. Category Komatsu code Part No. Q'ty Container Main applications, featuresr •...
  • Page 14 FOREWORD COATING MATERIALS Category Komatsu code Part No. Q'ty Container Main applications, featuresr • Used as lubricant for sliding portion LM-G 09940-00051 60 g (to prevent from squeaking). Molybdenum • Used to prevent seizure or scuffling disulphide of the thread when press fitting or...
  • Page 15 FOREWORD STANDARD TIGHTENING TORQUE STANDARD TIGHTENING TORQUE STANDARD TIGHTENING TORQUE TABLE (WHEN USING TORQUE WRENCH) ★ In the case of metric nuts and bolts for which there is no special instruction, tighten to the torque given in the table below. Tightening torque Thread diameter Width across...
  • Page 16 FOREWORD STANDARD TIGHTENING TORQUE TABLE OF TIGHTENING TORQUES FOR SPLIT FLANGE BOLTS ★ In the case of split flange bolts for which there is no special instruction, tighten to the torque given in the table below. Thread diameter Width across flat Tightening torque 59 –...
  • Page 17 FOREWORD STANDARD TIGHTENING TORQUE TIGHTENING TORQUE FOR 102 ENGINE SERIES 1) BOLT AND NUTS Use these torques for bolts and nuts (unit: mm) of Cummins Engine. Thread diameter Tightening torque 10 0 2 1.02 0 0.20 24 0 4 2.45 0 0.41 43 0 6 4.38 0 0.61 77 0 12...
  • Page 18 FOREWORD ELECTRIC WIRE CODE ELECTRIC WIRE CODE In the wiring diagrams, various colors and symbols are employed to indicate the thickness of wires. This wire code table will help you understand WIRING DIAGRAMS. Example: 5WB indicates a cable having a nominal number 5 and white coating with black stripe. CLASSIFICATION BY THICKNESS Copper wire Current...
  • Page 19 FOREWORD CONVERSION TABLE CONVERSION TABLE METHOD OF USING THE CONVERSION TABLE The Conversion Table in this section is provided to enable simple conversion of figures. For details of the method of using the Conversion Table, see the example given below. EXAMPLE •...
  • Page 20 FOREWORD CONVERSION TABLE Millimeters to Inches 1 mm = 0.03937 in 0.039 0.079 0.118 0.157 0.197 0.236 0.276 0.315 0.354 0.394 0.433 0.472 0.512 0.551 0.591 0.630 0.669 0.709 0.748 0.787 0.827 0.866 0.906 0.945 0.984 1.024 1.063 1.102 1.142 1.181 1.220 1.260...
  • Page 21 FOREWORD CONVERSION TABLE Liter to U.S. Gallon 1l = 0.2642 U.S. Gal 0.264 0.528 0.793 1.057 1.321 1.585 1.849 2.113 2.378 2.642 2.906 3.170 3.434 3.698 3.963 4.227 4.491 4.755 5.019 5.283 5.548 5.812 6.076 6.340 6.604 6.869 7.133 7.397 7.661 7.925 8.189...
  • Page 22 FOREWORD CONVERSION TABLE kgm to ft. lb 1 kgm = 7.233 ft. lb 14.5 21.7 28.9 36.2 43.4 50.6 57.9 65.1 72.3 79.6 86.8 94.0 101.3 108.5 115.7 123.0 130.2 137.4 144.7 151.9 159.1 166.4 173.6 180.8 188.1 195.3 202.5 209.8 217.0 224.2...
  • Page 23 FOREWORD CONVERSION TABLE kg/cm to lb/in 1kg/cm = 14.2233 lb/in 14.2 28.4 42.7 56.9 71.1 85.3 99.6 113.8 128.0 142.2 156.5 170.7 184.9 199.1 213.4 227.6 241.8 256.0 270.2 284.5 298.7 312.9 327.1 341.4 355.6 369.8 384.0 398.3 412.5 426.7 440.9 455.1 469.4...
  • Page 24 FOREWORD CONVERSION TABLE Temperature Fahrenheit-Centigrade Conversion ; a simple way to convert a Fahrenheit temperature reading into a Cen- tigrade temperature reading or vice versa is to enter the accompanying table in the center or boldface col- umn of figures. These figures refer to the temperature in either Fahrenheit or Centigrade degrees.
  • Page 25 FOREWORD UNITS UNITS In this manual, the measuring units are indicated with Internatinal System of units (SI). As for reference, conventionally used Gravitational System of units are indicated in parentheses { Example: N {kg} Nm {kgm} MPa {kg/cm kPa {mmH kPa {mmHg} kW/rpm {HP/rpm} g/kWh {g/HPh}...

  • Page 26: Table Of Contents

    01 GENERAL GENERAL ASSEMBLY DRAWING ........... 01-2 SPECIFICATIONS ..............01-4 WEIGHT TABLE ................ 01-7 LIST OF LUBRICANTS AND WATER ........01-9 01-1 PC130-7...

  • Page 27: General

    GENERAL GENERAL ASSEMBLY DRAWING GENERAL ASSEMBLY DRAWING SPECIFICATION DIMENSIONAL DRAWING PC130-7 Item Unit 2.5 m arm, 500 mm shoe 3.0 m arm, 700 mm shoe Overall length 7,595 7,485 Overall height 2,810 3,170 Overall width 2,490 2,490 Shoe width Cab height...
  • Page 28 GENERAL GENERAL ASSEMBLY DRAWING WORKING RANGE DRAWING PC130-7 Working range (mm) 2.5 m arm 3.0 m arm Maximum digging radius 8,290 8,785 Maximum digging depth 5,520 6,015 Maximum digging height 8,610 8,790 Maximum vertical wall digging depth 4,940 5,360 Maximum dumping height...

  • Page 29: Specifications

    GENERAL SPECIFICATIONS SPECIFICATIONS PC130-7 Machine model 2.5 m arm, 500 mm shoe 3.0 m arm, 700 mm shoe Serial No. 70001 and up Bucket capacity (SAE) Operating weight 12,200 13,050 Max. digging depth 5,520 6,015 Max. vertical wall depth 4,940 5,360 Max.
  • Page 30 GENERAL SPECIFICATIONS PC130-7 Machine model 2.5 m arm, 500 mm shoe 3.0 m arm, 700 mm shoe Serial No. 70001 and up Starting motor 24V, 3.0 kw Alternator 24V, 25A Battery 12V, 64 Ah x 2 Radiator type Aluminum wave (4-line)
  • Page 31 GENERAL SPECIFICATIONS PC130-7 Machine model 2.5 m arm, 500 mm shoe 3.0 m arm, 700 mm shoe Serial No. 70001 and up Type Reciprocating piston tipe Reciprocating piston tipe Cylinder inner diameter Piston rod diameter Stroke Max. length betwiin pins...

  • Page 32: Weight Table

    WEIGHT TABLE WEIGHT TABLE k This weight table is a guide for use when transporting or handling component. Unit: kg Machine model PC130-7 Serial No. 70001 and up Engine assembly (excl. water, oil) • Engine (excl. water, oil) • Engine mount 19.6...
  • Page 33 GENERAL WEIGHT TABLE Unit: kg Machine model PC130-7 Serial No. 70001 and up Boom assembly 1,088 Arm assembly 392.4 Bucket link assembly 92.7 Bucket assembly Boom cylinder assembly 92.7 Arm cylinder assembly Bucket cylinder assembly 82.6 01-8 PC130-7...

  • Page 34: List Of Lubricants And Water

    0.068 --- 0.068 --- Carrier roller (each) 0.076 0.076 SAE 10W SAE 10W-30 Hydraulic system SAE 15W-40 Hydraulic oil HD46-HM (a) ASTM D975 No.2 Fuel tank Diesel fuel ASTM D975 No. 1 Cooling system Coolant Add antifreeze 18.2 01-9 PC130-7...
  • Page 35 SELF PRESSURE REDUCING VALVE ....10- 79 CENTER SWIVEL JOINT..........10- 86 TRAVEL MOTOR (FINAL DRIVE)......10- 87 SWING MOTOR ............10- 96 SOLENOID VALVE............10-102 PPC ACCUMULATOR..........10-104 PPC VALVE ...............10-105 WORK EQUIPMENT ..........10-116 AIR CONDITIONER PIPING ........10-117 ENGINE CONTROL ..........10-118 ELECTRIC CONTROL SYSTEM ......10-123 MONITOR SYSTEM..........10-150 10-1 PC130-7...

  • Page 36: Structure And Function

    STRUCTURE AND FUNCTION 1. Coupling 5. Level plug 2. Shaft 6. Oil filler plug 3. Cage 7. Breather 4. Hydraulic pump 10-2 PC130-7...

  • Page 37: Cooling System

    STRUCTURE AND FUNCTION COOLING SYSTEM COOLING SYSTEM 10-3 PC130-7...
  • Page 38 3.5/2 3.5/2 4.0/2 25.58 11.60 9.54 Total heat dissipation surface Pressure valve cracking pressure 49.0 ± 14.7 — — {0.5 ± 0.15} (kPa {kg/cm Vacuum valve cracking pressure -4.9 – 0 — — {-0.05 – 0} (kPa {kg/cm 10-4 PC130-7...

  • Page 39: Power Train

    9. 2-speed travel changeover solenoid valve 3. Self pressure reducing valve 10. PPC lock solenoid valve 4. Travel motor 11. Swing motor 5. Hydraulic pump 12. Center swivel joint 6. Engine 13. Swing machinery 7. 2-stage relief solenoid valve 14. Swing circle 10-5 PC130-7...
  • Page 40 SWING CIRCLE 1. Outer race SPECIFICATIONS 2. Ball Reduction ratio: – = – 8.182 3. Inner race Amount of grease: 6.5 l (Grease: G2-LI) a. Inner race soft zone "S" position b. Outer race soft zone "S" position 10-6 PC130-7...
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