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Komatsu GD555-3C Shop Manual

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MACHINE MODEL
GD555-3C
GD655-3C
GD675-3C
•
This shop manual may contain attachments and optional equipment that are not avail-
able in your area. Please consult your local Komatsu distributor for those items you
may require.
Materials and specifications are subject to change without notice.
•
GD555-3C mounts the SA6D102E-1 or SAA6D102E-2 engine.
GD655-3C, GD675-3C mount the S6D114E-1, SA6D114E-1 or SAA6D114E-2 engine.
For details of the engine, see the 102 Series Engine Shop Manual and the 114 Series
Engine Shop Manual.
© 2017
All Rights Reserved
Printed in Japan 12-17 (01)
SERIAL NUMBER
50001 and up
00
50001 and up
00
50001 and up
00
SEBM020911
00
00
00
00-1
(11)

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Summary of Contents for Komatsu GD555-3C

  • Page 1 50001 and up • This shop manual may contain attachments and optional equipment that are not avail- able 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, FUNCTION AND MAINTENANCE STANDARD .
  • Page 3 The affected pages are indicated by using the following Mark Indication Action Required marks. It is requested that necessary actions be taken to New page to be added these pages according to the table below. Page to be replaced Replace Page to be deleted Discard Pages having no marks are not revised at this...
  • Page 4 Revision Revision Revision Revision Revision Mark Pages Mark Pages Mark Pages Mark Pages Mark Pages Number Number Number Number Number 10-200 10-264 20-125 20-248 20-380 10-201 10-265 20-126 20-249 20-381 10-202 10-266 20-127 20-250 20-382 10-203 10-267 20-128 20-251 20-383 10-204 10-268 20-129...
  • Page 5 Revision Revision Revision Revision Revision Mark Pages Mark Pages Mark Pages Mark Pages Mark Pages Number Number Number Number Number 20-457 30-22 30-81 30-140 (11) 20-458 30-23 30-82 30-141 (11) 20-459 30-24 30-83 (11) 20-460 30-25 30-84 20-461 30-26 30-85 90-1 20-462 30-27...
  • Page 6 Find manuals at https://best-manuals.com...

  • Page 7: Important Safety Notice

    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 8 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 •...
  • Page 9 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 10: How To Read The Shop Manual

    Distribution and updating Special technical Any additions, amendments or other changes will be precautions or other sent to KOMATSU distributors. Get the most up-to- Caution precautions for preserving date information before you start any work. standards are necessary when performing the work.

  • Page 11: Hoisting Instructions

    Foreword Hoisting instructions Hoisting instructions Hoisting Slinging near the edge of the hook may cause the rope to slip off the hook during Heavy parts (25 kg or more) must be lifted hoisting, and a serious accident can result. with a hoist, etc. In the Disassembly and Hooks have maximum strength at the mid- assembly section, every part weighing 25 dle portion.
  • Page 12 Foreword Method of disassembling, connecting push-pull type coupler Method of disassembling, connecting push-pull type coupler Before carrying out the following work, release Type 1 the residual pressure from the hydraulic tank. For details, see “Tes ting and adjus ting”, Releasing residual pressure from hydraulic tank. Even if the residual pressure is released from the hydraulic tank, some hydraulic oil flows out when the hose is disconnected.
  • Page 13 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 and push body (2) in straight until sliding prevention ring (1) contacts contact surface a of prevention ring (1) contacts contact surface a of the hexagonal portion at the male end.

  • Page 14: Coating Materials

    The recommended coating materials such as adhesives, gasket sealants and greases used for disassembly and assembly are listed below. a 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, features •...
  • Page 15 Foreword Coating materials Category Komatsu code Part No. Q’ty Container Main applications, features • Used as lubricant for sliding portion (to LM-G 09940-00051 60 g prevent from squeaking). Molybdenum • Used to prevent seizure or scuffling of the disulphide thread when press fitting or shrink fitting.

  • Page 16: Standard Tightening Torque

    Foreword Standard tightening torque Standard tightening torque Standard tightening torque table (when using torque wrench) a 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 17 Foreword Standard tightening torque Table of tightening torques for flared nuts a In the case of flared nuts for which there is no special instruction, tighten to the torque given in the table below. Thread diameter Width across flats Tightening torque 59 –...
  • Page 18 Foreword Standard tightening torque Tightening torque for 102 and 114 engine series 1) Bolt and nuts Use these torques for bolts and nuts (unit: mm) of Cummins Engine. Thread diameter Tightening torque 10 ± 2 1.02 ± 0.20 24 ± 4 2.45 ±...
  • Page 19 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 Norminal...

  • Page 20: Conversion Table

    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 21 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 1.496 1.536 1.181...
  • Page 22 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 10.039 10.303...
  • Page 23 Foreword Conversion table kgm to ft. lb 1 kgm = 7.233 ft. lb 65.1 14.5 21.7 28.9 36.2 43.4 50.6 57.9 72.3 79.6 86.8 94.0 101.3 108.5 115.7 123.0 130.2 137.4 209.8 144.7 151.9 159.1 166.4 173.6 180.8 188.1 195.3 202.5 260.4 267.6...
  • Page 24 Foreword Conversion table kg/cm to lb/in 1kg/cm = 14.2233 lb/in 99.6 113.8 128.0 14.2 28.4 42.7 56.9 71.1 85.3 142.2 156.5 170.7 184.9 199.1 213.4 227.6 241.8 256.0 270.2 384.0 398.3 412.5 284.5 298.7 312.9 327.1 341.4 355.6 369.8 483.6 497.8 512.0 526.3...
  • Page 25 Foreword Conversion table Temperature Fahrenheit-Centigrade Conversion ; a simple way to convert a Fahrenheit temperature reading into a Centi- grade 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 26 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 {mmH2O} kPa {mmHg} kW/rpm {HP/rpm} g/kWh {g/HPh}...
  • Page 27 01 GENERAL GENERAL ASSEMBLY DRAWING ......................01- 2 SPECIFICATIONS ............................01- 3 WEIGHT TABLE............................01- 15 FUEL, COOLANT, AND LUBRICANT SELECTION..................01- 17 01-1 GD555, 655, 675-3C...

  • Page 28: General Assembly Drawing

    GENERAL GENERAL ASSEMBLY DRAWING GENERAL ASSEMBLY DRAWING (Unit: mm) GD555-3C GD655-3C GD675-3C Item Overall length 8,350 8,595 8,611 Overall height (with full height cab) 3,330 3,350 3,350 Overall height (with low height cab) 3,100 3,120 3,120 Overall width 2,525 2,550...

  • Page 29: Specifications

    GENERAL SPECIFICATIONS SPECIFICATIONS GD555-3C GD555-3C Machine Model VHP Engine Serial Number 50001 – 51000 51001 and up Machine weight 13,850 14,040 On front axle 3,950 4,000 On rear axle 9,900 10,040 Overall length 8,370 8,350 Overall width 2,525 Overall height (top of muffler)
  • Page 30 GENERAL SPECIFICATIONS GD555-3C Machine Model VHP Engine Serial Number 50001 – 51000 51001 and up Engine model SA6D102E-1 SAA6D102E-2 4-cycle, water cooled, overhead valve, Type direct-injection type with turbocharger and aftercooler Cylinder number - bore x stroke 6 - 102 x 120...
  • Page 31 275 {2.75} {kg/cm Main brake Rear 4-wheel braking, multiple-disc wet type Parking brake Dry disc type Type x no. Komatsu LPV90 Variable swash plate type x 1 l/min. Discharge Set pressure 206 {210} {kg/cm Type x no. 4-spool type x 2 (CLSS)
  • Page 32 GENERAL SPECIFICATIONS Machine Model GD555-3C Serial Number 50001 – 51000 51001 and up Blade dimension (Length x Height x Thickness) 3,660 x 660 x 22 Cutting edge dimension 1,830 x 153 x 16 – 2 (Length x Width x Thickness – Number) Max.
  • Page 33 GENERAL SPECIFICATIONS GD655-3C GD655-3C Machine Model Standard HP VHP Engine Engine Serial Number 50001 – 51000 51001 and up Machine weight 14,800 15,000 On front axle 4,220 4,270 On rear axle 10,580 10,730 Overall length 8,595 Overall width 2,550 Overall height (top of muffler) 3,000 Overall height 3,120...
  • Page 34 GENERAL SPECIFICATIONS GD655-3C Machine Model Standard HP VHP Engine Engine Serial Number 50001 – 51000 51001 and up S6D114E-1 SA6D114E-1 Engine model SAA6D114E-2 Standard 4-cycle, water 4-cycle, water cooled, cooled, overhead valve, overhead valve, direct-injection type Type direct-injection type with turbocharger with turbocharger and aftercooler Cylinder number...
  • Page 35 250 {2.5} {kg/cm Main brake Rear 4-wheel braking, multiple-disc wet type Parking brake Dry disc type Type x no. Komatsu LPV90 Variable swash plate type x 1 l/min. Discharge at rated rpm Set pressure 206 {210} {kg/cm Type x no.
  • Page 36 GENERAL SPECIFICATIONS Machine Model GD655-3C Serial Number 50001 – 51000 51001 and up Blade dimension (Length x Height x Thickness) 3,660 x 660 x 22 Cutting edge dimension 1,829 x 153 x 16 – 2 (Length x Width x Thickness – Number) Max.
  • Page 37 GENERAL SPECIFICATIONS GD675-3C GD675-3C Machine Model VHP Engine Serial Number 50001 – 51000 51001 and up Machine weight 15,600 15,810 On front axle 4,450 4,500 On rear axle 11,150 11,310 Overall length 8,620 8,595 Overall width 2,550 Overall height (top of muffler) 2,995 Overall height (with ROPS cab) 3,115...
  • Page 38 GENERAL SPECIFICATIONS GD675-3C Machine Model VHP Engine Serial Number 50001 – 51000 51001 and up Engine model SA6D114E-1 SAA6D114E-2 4-cycle, water cooled, overhead valve, Type direct-injection type with turbocharger and aftercooler Cylinder number - bore x stroke 6 - 114 x 135 l {cc} Piston displacement 8.27 {8,270}...
  • Page 39 275 {2.75} {kg/cm Main brake Rear 4-wheel braking, multiple-disc wet type Parking brake Dry disc type Type x no. Komatsu LPV90 Variable swash plate type x 1 l/min. Discharge at rated rpm Set pressure 206 {210} {kg/cm Type x no.
  • Page 40 GENERAL SPECIFICATIONS Machine Model GD675-3C Serial Number 50001 – 51000 51001 and up Blade dimension (Length x Height x Thickness) 3,660 x 660 x 25 Cutting edge dimension 1,830 x 153 x 16 – 2 (Length x Width x Thickness – Number) Max.
  • Page 41 This as a preview PDF file from best-manuals.com Download full PDF manual at best-manuals.com...

This manual is also suitable for:

Gd655-3cGd675-3c50001