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Komatsu D65P-12 Shop Manual

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1

D65E

D65EX

MACHINE MODEL

D65E-12

D65P-12

D65EX-12

D65PX-12

•

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.

•

D65-12 mount the 6D125-1, S6D125-1, 6D125E-2 and S6D125E-2 engine.

For details of the engine, see the 125 Series and 125-2 Series Engine Shop Manual.

© 2005 1

All Rights Reserved

Printed in Japan 01-05(03)

P

-12

,

PX

,

SERIAL NUMBER

60001 and up

60001 and up

60001 and up

60001 and up

SEBM001921

-12

00-1

(21)

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Summary of Contents for Komatsu D65P-12

Page 1 • 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 AND FUNCTION ........... 10-1 TESTING AND ADJUSTING ..........20-1 DISASSEMBLY AND ASSEMBLY ........30-1 MAINTENANCE STANDARD ..........40-1 OTHER .................. 90-1 00-2...
Page 3 The affected pages are indicated by the use of the following marks. It is requested that necessary actions Mark Indication Action required must be taken to these pages according to the list below. ﬁ Page to be newly added ‡ Page to be replaced Replace Page to be deleted...
Page 4 Revision Revision Revision Revision Revision Mark Pages Mark Pages Mark Pages Mark Pages Mark Pages number number number number number 10- 93-1 (19) 10-131 10-168 10-190 (14) 20- 15-15 (15) 10- 93-2 (19) 10-133 10-169 10-191 (14) 20- 15-16 (15) 10- 93-3 (19) 10-134 10-170...
Page 5 Revision Revision Revision Revision Revision Mark Pages Mark Pages Mark Pages Mark Pages Mark Pages number number number number number 20-127 (12) 20-216-8 (15) 20- 240 20-281-4 (15) 30- 26 20-128 20-216-9 (15) 20- 241 20- 282 30- 27 20-129 (12) 20-216-10 (15) 20- 242...
Page 6 Revision Revision Revision Revision Revision Mark Pages Mark Pages Mark Pages Mark Pages Mark Pages number number number number number 30-56-1 30- 97-1 (16) 30- 119 30- 147 30- 179-2 (10) 30-57 30- 97-2 (16) 30- 120 30- 148 30- 179-3 (10) 30-58 30- 97-3 (16) 30- 121...
Page 7 Revision Revision Revision Revision Revision Mark Pages Mark Pages Mark Pages Mark Pages Mark Pages number number number number number 30- 215-1 (9) 30- 257 40- 36 (14) 90- 12-1 (20) 30- 216 30- 257-1 (9) 40- 37 (19) 90- 12-2 (20) 30- 217 30- 257-2 (9) 40- 38...
Page 8: 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 9: Safety Notice
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 10 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 11 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 12: Hoisting Instructions
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 13 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 14 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 15: Coating Materials
★ 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, features •...
Page 16 FOREWORD COATING MATERIALS Category Komatsu code Part No. Q'ty Container Main applications, features • 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 17: Standard Tightening Torque
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 18 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 19 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 20 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 21: 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 22 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 23 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 24 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 25 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 26 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 27 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 28 GENERAL General assembly drawing ......01- 2 Specifications ..........01- 6 Weight table ..........01-21 Table of fuel, coolant and lubricants..01-27 01-1...
Page 29: General Assembly Drawing
GENERAL ASSEMBLY DRAWING D65E-12 D65EX-12 • Tiltdozer D65E-12 60001 – 60947 60948 – 65000 65001 – — D65EX-12 60001 – 60941 60942 – 65000 65001 – 65001 – Blade width (mm) 3,415 (3,360) 3,415 (3,460) 3,415 (3,460) [3,640] Max. tilting distance (mm) 870 (855) 870 (855) 870 (855)
Page 39 Machine model D65E-12 D65P-12 D65EX-12 D65PX-12 60891 – 65000 60942 – 65000 60915 – 65000 Serial Numbers 60948 – 65000 When ROPS cab is installed 3,160 3,195 3,160 3,195 When ROPS canopy is 3,160 3,195 3,160 3,195 installed When canopy is installed...
Page 44 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 45 Machine model D65E-12 D65P-12 D65EX-12 D65PX-12 65001 and up 65001 and up 65001 and up 65001 and up Serial Numbers Bevel gear shaft Spiral bevel gear, force feed lubrication gear pump Differential planetary gear type, HSS steering system – hydraulic motor drive type, hand...
Page 46 Machine model D65E-12 D65P-12 D65EX-12 D65PX-12 65001 and up 65001 and up 65001 and up Serial Numbers 65001 and up Type • For ripper (D65E, EX only) • 2-spool type, hydraulically • 3-spool type, hydraulically assisted (Lift + tilt) assisted (Lift + tilt + steering) •...
Page 47 Machine model D65E-12 D65P-12 D65EX-12 D65PX-12 65001 and up 65001 and up 65001 and up 65001 and up Serial Numbers Hydraulic Hydraulic power Hydraulic Hydraulic power Type angle dozer pitch dozer angle dozer pitch dozer Hydraulic Hydraulic Blade support method...
Page 48 Machine model D65E-12 D65P-12 D65EX-12 D65PX-12 65001 and up 65001 and up 65001 and up 65001 and up Serial Numbers Hydraulic Hydraulic – – Type semi-U dozer semi-U dozer Brace type (tilt Brace type (tilt – – Blade support method...
Page 53 Unit: kg Machine model D65E-12 D65P-12 D65EX-12 D65PX-12 65001 and up 65001 and up 65001 and up 65001 and up Serial Numbers Engine, damper assembly 1,100 1,220 1,220 1,220 • Engine, assembly 1,050 1,170 1,170 1,170 • Damper assembly • Parts mounted to engine (wiring) Radiator assembly (including oil cooler) •...
Page 54 Unit: kg Machine model D65E-12 D65P-12 D65EX-12 D65PX-12 65001 and up 65001 and up 65001 and up 65001 and up Serial Numbers Track shoe assembly (each side) (510 mm, wet type) 1,375 – 1,375 – (810 mm, wet type) –...
Page 55: Ambient Temperature
40), but be sure to add single grade oil that matches the temperature in the table on the left. (5) We recommend Komatsu genuine oil which ASTM: American Society of Testing and Material has been specifically formulated and ap- SAE:...
Page 56 40), but be sure to add single grade oil that matches the temperature in the table on the left. (5) We recommend Komatsu genuine oil which ASTM: American Society of Testing and Material has been specifically formulated and ap- SAE:...
Page 130 2. When brake is turned "ON" (When parking brake is turned "OFF" and brake pedal is "pressed") • If the brake pedal is pressed, guide (7) and tension of return spring (2) to close ports E, shaft (5) are pressed in the direction of ← to F, and G so that the hydraulic pressure after compress modulating spring (6), then reac- ports E and F will not lower any more.
Page 131 3. When parking brake is turned "ON" (When brake pedal is "released" and brake lock lever is at "LOCK" position) • If the brake lock lever (safety lever) is set (leaned) to the "LOCK" position, the parking brake valve (13) is pulled in the direction of ←.
Page 152 Operation of HSS steering 1. Steering lever at neutral Traveling in the straight line When the steering lever is at the neutral posi- tion, HSS motor is stopped, and the rotation of the transfer gear and left and right gears A (13) in the planetary system is also stopped.
Page 153 2. When steering lever is operated to right Forward If the steering lever is operated to the right Therefore, considering the relationship of the rotating speed of the elements in the pairs of when the machine is traveling forward, HSS motor (28) rotates counterclockwise as seen planetary gears, the rotating speed of ring gear from the left side of the machine.
Page 154 Reverse connected with the bevel gear shaft, rotate If the steering lever is operated to the right when counterclockwise as seen from the left side of the machine is traveling in reverse, the action the machine. of the selector valve makes HSS motor (28) ro- Therefore, considering the relationship of the tate in the opposite direction when traveling rotating speed of the elements in the pairs of...
Page 155 3. When steering lever is operated to left Forward If the steering lever is operated to the left when Therefore, considering the relationship of the the machine is traveling forward, HSS motor rotating speed of the elements in the pairs of (28) rotates clockwise as seen from the left side planetary gears, the rotating speed of ring gear (22) on the right side is faster than when...
Page 156 Reverse connected with the bevel gear shaft rotate If the steering lever is operated to the left when the machine is traveling in reverse, the action counterclockwise as seen from the left side of of the selector valve makes HSS motor (28) ro- the machine.
Page 176: Structure And Function
STRUCTURE AND FUNCTION SUSPENSION A – A B – B C – C SKD00522 1. Center pin OUTLINE 2. Equalizer bar • The front of the track frame moves up and 3. Pivot shaft down with pivot shaft (3) at the rear form- 4.
Page 177 WORK EQUIPMENT HYDRAULIC PIPING DIAGRAM ANGLEDOZER D65E-12 60001-60947 ª1. Serial Numbers D65EX-12 60001-60941 D65E-12 60516 – 60947 D65EX-12 60516 – 60941 1. Blade 2. Right brace 3. Right lift cylinder 4. Left lift cylinder 5. Hydraulic pump (SAL(1)-100) 6. Oil filter 7.
Page 178 ª1. Serial Numbers D65E-12 60948 and up D65E-12 61441 and up D65EX-12 60942 and up D65EX-12 61446 and up 1. Blade 2. Right brace 3. Right lift cylinder 4. Left lift cylinder 5. Hydraulic pump (SAL(1)-100) 6. Oil filter 7. Main control valve 8.
Page 179 STRAIGHT TILTDOZER ª1. Serial Numbers D65E-12 60001-60947 D65E-12 60516 – 60947 D65P-12 60001-60890 D65P-12 60516 – 60890 D65EX-12 60001-60941 D65EX-12 60516 – 60941 D65PX-12 60001-60914 D65PX-12 60516 – 60914 1. Blade 2. Tilt cylinder 3. Right lift cylinder 4. Left lift cylinder 5.
Page 180 D65E-12 60948 and up ª1. Serial Numbers D65P-12 60891 and up D65E-12 61441 and up D65EX-12 60942 and up D65P-12 61365 and up D65PX-12 60915 and up D65EX-12 61446 and up D65PX-12 61369 and up 1. Blade 2. Tilt cylinder 3.
Page 181 POWER PITCH DOZER D65P-12 60001-60890 D65PX-12 60001-60914 ª1. Serial Numbers D65P-12 60516 – 60890 D65PX-12 60516 – 60914 ﬂ The diagram shows the D65PX-12. 1. Blade 2. Pitch cylinder 3. Right lift cylinder 4. Left lift cylinder 5. Hydraulic HSS pump (HPV95) 6.
Page 187 STRUCTURE AND FUNCTION PPC CONTROL PIPING DIAGRAM D65EX-12 60942 – 65000 D65PX-12 60915 – 65000 (Steering, blade, ripper control) SLD00524 1. Blade control lever 2. Main control valve 3. Ripper control lever (D65EX-12 only) 4. Steering and directional lever 5. PPC charge valve 10-7 10-85-2...
Page 188 D65EX-12 65001 and up D65PX-12 65001 and up (Steering, blade, ripper control) 1. Blade control lever 2. Main control valve 3. Ripper control lever (D65EX-12 only) 4. Steering and directional lever 5. PPC charge valve 10-85-3 10-8...
Page 189 STRUCTURE AND FUNCTION WORK EQUIPMENT CONTROL WORK EQUIPMENT CONTROL D65E-12 60001 – 60947 D65P-12 60001 – 60890 D65EX-12 60001 – 60941 D65PX-12 60001 – 60914 Lever positions 1. Safety lever 1 HOLD 2. Blade control lever OUTLINE 2 Blade LOWER 3.
Page 190 STRUCTURE AND FUNCTION WORK EQUIPMENT CONTROL D65E-12 60948 and up D65P-12 60891 and up D65EX-12 60942 and up D65PX-12 60915 and up SLD00525 Lever positions 1. Safety lever OUTLINE 1 HOLD 2. Blade control lever • The work equipment control uses a PPC 2 Blade LOWER 3.
Page 191 STRUCTURE AND FUNCTION WORK EQUIPMENT HYDRAULIC CIRCUIT DIAGRAM WORK EQUIPMENT HYDRAULIC CIRCUIT DIAGRAM ANGLEDOZER (WITH RIPPER) D65E-12 60001 – 60947 ª1. Serial Numbers D65P-12 60001 – 60890 D65E-12 60516 – 60947 D65P-12 60516 – 60890 ﬂ The didagram shows the D65E-12.
Page 192 STRUCTURE AND FUNCTION WORK EQUIPMENT HYDRAULIC SYSTEM DIAGRAM WORK EQUIPMENT HYDRAULIC SYSTEM DIAGRAM ª1. Serial Numbers D65E-12 60516 – 60947 D65P-12 60516 – 60890 (Engine running, hydraulic control lever in “HOLD”) D65E-12 60001 – 60947 D65P-12 60001 – 60890 10-89...
Page 193 STRUCTURE AND FUNCTION WORK EQUIPMENT HYDRAULIC CIRCUIT DIAGRAM WORK EQUIPMENT HYDRAULIC CIRCUIT DIAGRAM ANGLEDOZER (WITH RIPPER) D65E-12 60948 and up D65P-12 60891 and up ﬂ The diagram shows the D65E-12. 1. Hydraulic tank 2. PPC pump (SBR(1)-010) 3. PPC charge valve 4.
Page 194 STRUCTURE AND FUNCTION WORK EQUIPMENT HYDRAULIC SYSTEM DIAGRAM WORK EQUIPMENT HYDRAULIC SYSTEM DIAGRAM (Engine running, hydraulic control lever in “HOLD”) ª1. Serial Numbers D65E-12 61441 and up D65E-12 60948 and up D65P-12 61365 and up D65P-12 60891 and up 10-89-2...
Page 195 WORK EQUIPMENT HYDRAULIC CIRCUIT DIAGRAM STRAIGHT TILTDOZER (WITH RIPPER) ª1. Serial Numbers D65E-12 60001 – 60947 D65E-12 60516 – 60947 D65P-12 60001 – 60890 D65P-12 60516 – 60890 ﬂ The diagram shows the D65E-12. 1. Hydraulic tank 2. PPC pump (SBR(1)-010) 3.
Page 196 STRUCTURE AND FUNCTION WORK EQUIPMENT HYDRAULIC SYSTEM DIAGRAM WORK EQUIPMENT HYDRAULIC SYSTEM DIAGRAM (Engine running, hydraulic control lever in “HOLD”) ª1. Serial Numbers D65E-12 60516 – 60947 D65P-12 60516 – 60890 D65E-12 60001 – 60947 D65P-12 60001 – 60890 10-91...
Page 197 STRUCTURE AND FUNCTION WORK EQUIPMENT HYDRAULIC CIRCUIT DIAGRAM WORK EQUIPMENT HYDRAULIC CIRCUIT DIAGRAM STRAIGHT TILTDOZER (WITH RIPPER) D65E-12 60948 and up D65P-12 60891 and up ﬂ The diagram shows the D65E-12 1. Hydraulic tank 2. PPC pump (SBR(1)-010) 3. PPC charge valve 4.
Page 198 STRUCTURE AND FUNCTION WORK EQUIPMENT HYDRAULIC SYSTEM DIAGRAM WORK EQUIPMENT HYDRAULIC SYSTEM DIAGRAM ª1. Serial Numbers D65E-12 61441 and up (Engine running, hydraulic control lever in “HOLD”) D65P-12 61365 and up D65E-12 60948 and up D65P-12 60891 and up 10-91-2...
Page 199 STRUCTURE AND FUNCTION STEERING AND WORK EQUIPMETN HYDRAULIC CIRCUIT DIAGRAM STEERING AND WORK EQUIPMETN HYDRAULIC CIRCUIT DIAGRAM POWER PITCH DOZER (WITHOUT RIPPER) ª1. Serial Numbers D65PX-12 60516 – 60914 D65PX-12 60001 – 60914 1. Hydraulic tank 2. PPC pump (SBR(1)-010) 3.
Page 200 STRUCTURE AND FUNCTION STEERING AND WORK EQUIPMENT HYDRAULIC SYSTEM DIAGRAM STEERING AND WORK EQUIPMENT HYDRAULIC SYSTEM DIAGRAM ª1. Serial Numbers D65PX-12 60516 – 60914 (Engine running, steering lever in "NEUTRAL", hydraulic control lever in "HOLD") D65PX-12 60001 – 60914 10-93...
Page 201 STRUCTURE AND FUNCTION STEERING AND WORK EQUIPMENT HYDRAULIC CIRCUIT DIAGRAM STEERING AND WORK EQUIPMENT HYDRAULIC CIRCUIT DIAGRAM POWER PITCH DOZER (WITHOUT RIPPER) D65PX-12 60915 and up 1. Hydraulic tank 2. PPC pump (SBR(1)-010) 3. PPC charge valve 4. Oil cooler 5.
Page 202 STRUCTURE AND FUNCTIONSTEERING AND WORK EQUIPMETN HYDRAULIC SYSTSEM DIAGRAM STEERING AND WORK EQUIPMETN HYDRAULIC SYSTSEM DIAGRAM ª1. Serial Numbers D65PX-12 61369 and up (Engine running, steering lever in “NEUTRAL”, hydraulic control lever in “HOLD”) D65PX-12 60915 and up 10-93-2...
Page 203 STRUCTURE AND FUNCTION STEERING AND WORK EQUIPMETN HYDRAULIC CIRCUIT DIAGRAM STEERING AND WORK EQUIPMETN HYDRAULIC CIRCUIT DIAGRAM ª7. Serial Numbers D65EX-12 60516 – 60941 STRAIGHT TILT DOZER (WITH RIPPER) D65EX-12 60001 – 60941 1. Hydraulic tank 2. PPC pump (SBR(1)-010) 3.
Page 204 STRUCTURE AND FUNCTION STEERING AND WORK EQUIPMENT HYDRAULIC SYSTEM DIAGRAM STEERING AND WORK EQUIPMENT HYDRAULIC SYSTEM DIAGRAM ª1. Serial Numbers D65EX-12 60516 – 60941 (Engine running, steering lever in "NEUTRAL", hydraulic control lever in "HOLD") D65EX-12 60001 – 60941 10-93-4...
Page 205 STRUCTURE AND FUNCTION STEERING AND WORK EQUIPMENT HYDRAULIC SYSTEM DIAGRAM STEERING AND WORK EQUIPMENT HYDRAULIC SYSTEM DIAGRAM STRAIGHT TILT DOZER (WITH RIPPER) D65EX-12 60942 and up 1. Hydraulic tank 2. PPC pump (SBR(1)-010) 3. PPC charge valve 4. Oil cooler 5.
Page 206 STRUCTURE AND FUNCTIONSTEERING AND WORK EQUIPMETN HYDRAULIC SYSTSEM DIAGRAM STEERING AND WORK EQUIPMETN HYDRAULIC SYSTSEM DIAGRAM ª1. Serial Numbers (Engine running, steering lever in “NEUTRAL”, hydraulic control lever in “HOLD”) D65EX-12 61446 and up D65EX-12 60942 and up 10-93-6...
Page 207 STRUCTURE AND FUNCTION HYDRAULIC TANK AND FILTER HYDRAULIC TANK AND FILTER D65E-12 60001 – 60947 D65P-12 60001 – 60890 D65EX-12 60001 – 60941 D65PX-12 60001 – 60914 10-94...
Page 373 D65E-12 60948 – 61440 Machines with gauge type monitor panel (without cab) D65P-12 60891 – 61364 10-196-3 D65EX, PX-12 (21)
Page 466: Testing And Adjusting
TESTING AND ADJUSTING MEASURING OUTPUT PRESSURE OF PPC VALVE ADJUSTING STRAIGHT TILTDOZER D65E-12 D60, 65P-12 D65EX, PX-12 ﬂ Adjust as follows when installing after the blade has been removed or disassembled. 1. Adjusting amount of blade tilt 1) After installing the blade, adjust with handle (1) so that dimension A is as follows.
Page 467 TESTING AND ADJUSTING MEASURING OUTPUT PRESSURE OF PPC VALVE 2. Procedure for adjusting shims when assembling blade 1) After assembling the blade, adjust the clear- ance at tilt portion (2), center portion (4) and trunnion portion (5) with shims. Shim adjustment Tilt Center Lift...
Page 587: Testing And Adjusting
TESTING AND ADJUSTING Cause Remedy Defective part inside Repair or replace transmission Is oil pressure at torque converter outlet port normal? • Engine speed: Full throttle Defective part inside torque Repair or replace • Oil pressure: converter 0.4 ± 0.1 MPa {4.5 ±...
Page 588 TESTING AND ADJUSTING H-10 Power train oil temperature rises too high ﬂ Check the oil level in the power train before carrying out troubleshooting. Is engine rotation normal at F3 stall? • Engine stall Is brake dragging ? speed: Min. 1,650 rpm •...
Page 1123 Unit: mm Check item Criteria Remedy Clearance limit Standard clearance Backlash between No. 1 pinion and No. 1 gear 0.23 — 0.61 Backlash between sun 0.18 — 0.45 gear and planet pinion Backlash between planet 0.23 — 0.67 pinion and ring gear Repair limit Standard size Outside diameter of oil...
Page 1124 HULL FRAME Unit: mm Check item Criteria Remedy Tolerance Standard Standard Clearance size clearance limit Shaft Hole Clearance between cylinder yoke and bushing (outer) Replace –0.036 +0.207 0.156 — bushing –0.090 +0.120 0.297 Clearance between cylinder –0.030 +0.174 0.130 — yoke and bushing (inner) –0.076 +0.100...
Page 1135 Unit: mm Check item Criteria Remedy Repair limit Standard size Turn Link pitch or replace 203.45 206.45 203.45 25.0 65.0 Single Height of grouser Swamp 94.5 109.5 shoe Add metal Single or lug Thickness or replace of grouser Swamp shoe Height of link 119.5 132.0...
Page 1136 TRACK SHOE (LUBRICATED TYPE) SWAMP SHOE 40-36...
Page 1137 Unit: mm Check item Criteria Remedy Repair limit Standard clearance Turn Link pitch or replace 206.45 203.45 25.0 65.0 Single Height of grouser Swamp 94.5 109.5 shoe Add metal Single Thickness or lug of grouser or replace Swamp shoe Height of link 119.5 132.0 Thickness of link...
Page 1138 SUSPENSION D65E-12 60001 – 60947 D65P-12 60001 – 60890 D65EX-12 60001 – 60941 D65PX-12 60001 – 60914 40-38...
Page 1176 OTHERS OTHERS TRIMMING DOZER DDM060-4A ﬂ This section contains only information related to the trimming dozer. SPECIFICATIONS Specification drawing ........90-2 Specifications ..........90-3 Weight table ...........90-7 Table of fuel, coolant and lubricants ..90-9 STRUCTURE AND FUNCTION Rear guard ........... 90-10 Work equipment hydraulic piping diagram ..
Page 1177: Specification Drawing
OTHERS SPECIFICATIONS SPECIFICATIONS SPECIFICATION DRAWING • D65E, D65EX-12 Trimming dozer 90-2 D65EX, PX-12 (20)
Page 1178 SPECIFICATIONS Serial No. 60001 – 65000 Machine model D65EX-12 60001 and up Serial Numbers Operating weight • bare tracktor 14,890 • with trimming dozer + cab 19,250 Min. turning radius — (Counterrotation turn) Gradeability Stability (front, rear, left, right) Forward 1st Forward 2nd km/h Forward 3rd...
Page 1179 Machine model D65EX-12 60001 and up Serial Numbers Track gauge 1,880 Length of track on ground 2,675 Width of track shoe (standard) Min. ground clearance (To bottom of undercover) Model 6D125-1 Type 4-cycle, water cooled, inline vertical type, direct injection, with turbocharger No.
Page 1182 Serial No. 65001 and up Machine model D65EX-12 D65E-12 65001 and up 65001 and up Serial Numbers Operating weight • bare tracktor 15,670 15,620 • with trimming dozer + cab 20,120 19,950 Bare tractor 55.90 {0.57} 55.90 {0.57} {kg/cm With trimming dozer + cab 72.60 {0.74} 71.60 {0.73} Bare tractor...
Page 1183 Serial No. 65001 and up Machine model D65EX-12 D65E-12 65001 and up 65001 and up Serial Numbers Type • For trimming 3 + 1-spool type, 3 spool type, • For blade lift hydraulically assisted hydraulically assisted • For blade tilt (Trimming + lift + tilt + steering) (Trimming + lift + tilt) •...
Page 1184 WEIGHT TABLE Serial No. 60001 – 65000 Unit: kg Machine model D65EX-12 60001 and up Serial No. Engine, damper assembly 1,200 • Engine assembly 1,150 • Damper assembly • Engine mount parts (wiring) Radiator assembly (including oil cooler) • Oil cooler assembly (for hydraulic oil) Fuel tank assembly Power train unit assembly 1,580...
Page 1185 Unit: kg Machine model D65EX-12 60001 and up Serial No. Track shoe assembly (each side) (510 mm, wet type) 1,310 Pivot shaft (each side) Equalizer bar Hydraulic tank assembly Main control valve • Trimming + lift + tilt + steering Engine underguard Transmission underguard Operator's seat...
Page 1186 Serial No. 65001 and up Unit: kg Machine model D65EX-12 D65E-12 65001 and up 65001 and up Serial No. Hydraulic tank assembly Main control valve • Trimming + lift + tilt + steering — • Trimming + lift + tilt —...
Page 1187 TABLE OF FUEL, COOLANT AND LUBRICANTS Serial No. 60001 – 65000 90-9 D65EX, PX-12 (20)
Page 1188 90-10...
Page 1189 90-11 D65EX, PX-12...
Page 1190 STEERING AND WORK EQUIPMENT HYDRAULIC CIRCUIT DIAGRAM Serial No. 60001 – 65000 TRIMMING DOZER 90-12 D65EX, PX-12 (20)
Page 1191 Serial No. 65001 and up TRIMMING DOZER FOR D65EX-12 1. Hydraulic tank 2. PPC pump (SBR(1)-010) 3. PPC charge valve 4. Oil cooler 5. Steering control PPC valve 5A. Direction (for HSS) 5B. Steering 5C. Steering circuit selector valve 6. Blade control PPC valve 6A.
Page 1192 WORK EQUIPMENT HYDRAULIC CIRCUIT DIAGRAM Serial No. 65001 and up TRIMMING DOZER FOR D65E-12 1. Hydraulic tank 2. PPC pump (SBR(1)-010) 3. PPC charge valve 4. Oil cooler 5. Blade control PPC valve 5A. Trimming 5B. Blade lift 6. Hydraulic pump (SAL(3)-080) 7.
Page 1195 90-15 D65EX, PX-12 (20)
Page 1196 Serial No. 65001 and up (3 SPOOL VALVE: TRIMMING BLADE LIFT + TILT) FOR D65E-12 a. PC port (pump pressure detection plug) B3 port (to trimming cylinder head) b. PLSC port (LS pressure detection plug) k. B2 port (to lift cylinder bottom) c.
Page 1197 1. Valve block 2. Trimming spool 3. Lift spool 4. Tilt spool 5. Valve body 6. Load check valve 7. Orifice 8. Unload valve spring 9. Unload spool 10. Cancel piston 11. Cancel spring 12. Suction safety valve 13. Suction safety valve 14.
Page 1198 90-16 D65EX, PX-12 (20)
Page 1204 Serial No. 65001 and up • 3 SPOOL VALVE, FOR D65E-12 (1/4) ﬂ Precautions when tightening portions marked To make sure that the three bolts are tightened uniformly, tighten in three stages as given be- low. 1st Step: 49 – 68.6 Nm (5 – 7 kg) 2nd Step: 127.5 –...
Page 1205 (2/4) ﬂ Precautions when assembling When assembling the unload valve, thghten the plugs in the following order: [1] → [2] → [3] 90-21-2 D65EX, PX-12 (20)
Page 1206 (3/4) 90-21-3 D65EX, PX-12 (20)
Page 1207 (4/4) Unit: mm Check item Criteria Remedy Standard size Repair limit Free length Installation Installation Free Installation Spool return spring × OD length load length load 73.4 × 31 22.8 kg 18.2 kg 68.5 — Spool return spring 51.7 × 31.3 14.3 kg 11.4 kg —...
Page 1226 OTHERS ELECTRICAL CIRCUIT DIAGRAM ELECTRICAL CIRCUIT DIAGRAM CAB Specification D65EX-12 63403 and up D65PX-12 63304 and up 90-41...
Page 1227 OTHERS ELECTRICAL CIRCUIT DIAGRAM ELECTRICAL CIRCUIT DIAGRAM CANOPY specification D65EX-12 63403 and up D65PC-12 63304 and up 90-43...

This manual is also suitable for:

D65e-12 D65ex-12 D65px-12