Komatsu D455A-1 Crawler Dozer (1013 and up) Service Repair Shop Manual - SEBM0198A05

This complete Service Repair Workshop Manual PDF Download for the D455A-1 Komatsu Crawler Dozer (1013 and up) has easy to read text sections with top quality diagrams, pictures and illustrations. The step by step instructions show you how to fault find or complete any repair or overhaul, correctly and efficiently, saving time and avoiding costly mistakes. All specifications and tolerances are listed. Functions of components and systems are also explained.


APPLICABLE MODELS :

Komatsu D455A-1 Bulldozer
Serial Numbers : 1013 and up


TABLE OF CONTENTS :

GENERAL
ENGINE
11 STRUCTURE AND FUNCTION
12 TESTING AND ADJUSTING
13 DISASSEMBLY AND ASSEMBLY
POWER TRAIN
21 STRUCTURE AND FUNCTION
22 TESTING AND ADJUSTING
23 DISASSEMBLY AND ASSEMBLY
24 MAINTENANCE STANDARD
25 TROUBLE SHOOTING
UNDERCARRIAGE
3l STRUCTURE AND FUNCTION
33 DISASSEMBLY AND ASSEMBLY
34 MAINTENANCE. STANDARD
HYDRAULIC SYSTEM
61 STRUCTURE AND FUNCTION
62 TESTING AND ADJUSTING
63 DISASSEMBLY AND ASSEMBLY
64 MAINTENANCE STANDARD
65 TROUBLE SHOOTING
WORK EQUIPMENT
71 STRUCTURE AND FUNCTION
72 TESTING AND ADJUSTING
73 DISASSEMBLY AND ASSEMBLY
74 MAINTENANCE STANDARD
OTHERS
90 ELECTRICAL SYSTEM


MANUAL SPECIFICATION :

File Format : PDF
Language : English
Printable : Yes
Searchable : Yes
Bookmarked : Yes
Product Code : SEBM0198A05
Total Pages : 1202


This (OEM) Komatsu Shop Manual has detailed illustrations as well as step by step instructions, It is 100 percents complete and intact. they are specifically written for the do-it-yourself-er as well as the experienced mechanic. With step by step instruction & highly detailed exploded pictures & diagrams to show you how to complete the required job correctly & efficiently Using. Provides step-by-step instructions based on the complete dis-assembly of the machine. It is this level of detail, along with hundreds of photos and illustrations, that guide the reader through each service and repair procedure. Complete download comes in pdf format which can work under all PC based windows operating system and Mac also, All pages are printable. Using this repair manual is an inexpensive way to keep your vehicle working properly.

This service repair workshop manual PDF download 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 is a must for the Do-It-Yourselfer! Saving Yourself $$$$$$ In Service Repair And Maintenance Costs !!!!

This service repair workshop manual PDF download contains specs, diagrams, actual real photo illustrations, and schemes. In addition to space savings, nice thing about having completly searcheble PDF files instead of a hard-printed manual is that you can use the Search feature in your PDF reader software (Adobe Acrobat) to find just what your looking for and just print out the exact pages you need or all manual easily. This is the same Repair Service manual your local dealer will use when doing a repair.

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COVER
CONTENTS
01 GENERAL
GENERAL
GENERAL LOCATIONS
SPECIFICATIONS
GENERAL ASSEMBLY DRAWING
ENGINE SPECIFICATIONS
WEIGHT TABLE
SERIAL NUMBER POSITIONS
LIST OF OIL AND WATER CAPACITY

ENGINE
11 STRUCTURE AND FUNCTION (CHASSIS RELATED)
STRUCTURE AND FUNCTION
ENGINE MOUNTING
RADIATOR
P.T.O.(POWER TAKE-OFF)
OIL COOLER
OIL COOLER FAN DRIVE HYDRAULIC PIPING DIAGRAM
OIL COOLER FAN DRIVE PUMP (MACHINE SERIAL NO.1301 AND UP)
OIL COOLER FAN DRIVE MOTOR (MACHINE SERIAL NO.1301 AND UP)
OIL COOLER FAN DRIVE OIL FILTER (MACHINE SERIAL NO.1301 AND UP)
OIL COOLER FAN DRIVE HYDRAULIC SYSTEM DIAGRAM
OIL COOLER FAN DRIVE HYDRAULIC CIRCUIT DIAGRAM
FUEL PIPING DIAGRAM
ENGINE CONTROL
ETHER STARTING CONTROL
12 TESTING AND ADJUSTING (CHASSIS RELATED0
TESTING AND ADJUSTING
TESTING AND ADJUSTING ENGINE
13 DISASSEMBLY AND ASSEMBLY
TORQUE SPECIFICATIONS FOR NUTS AND BOLTS
DISASSEMBLY AND ASSEMBLY
REPLACEMENT OF FAN BELT
DISMOUNTING STARTING MOTOR
MOUNTING STARTING MOTOR
DISMOUNTING ALTERNATOR
MOUNTING ALTERNATOR
DISMOUNTING OIL FILTER
MOUNTING OIL FILTER
DISMOUNTING OIL COOLER・BRACKET
MOUNTING OIL COOLER・BRACKET
DISMOUNTING AFTER-COOLER
MOUNTING AFTER-COOLER
DISMOUNTING WATER PUMP
MOUNTING WATER PUMP
DISMOUNTING TURBOCHARGER
MOUNTING TURBOCHARGER
DISMOUNTING CYLINDER HEAD
MOUNTING CYLINDER HEAD
DISMOUNTING P.T.PUMP
MOUNTING P.T.PUMP
DISMOUNTING RADIATOR
MOUNTING RADIATOR
DISMOUNTING RADIATOR GUARD
MOUNTING RADIATOR GUARD
DISMOUNTING ENGINE (MACHINE SERIAL NO.1013～1500)
MOUNTING ENGINE (MACHINE SERIAL NO.1013～1500)
DISMOUNTING ENGINE (MACHINE SERIAL NO.1501 AND UP)
MOUNTING ENGINE (MACHINE SERIAL NO.1501 AND UP)
DISMOUNTING P.T.O.FROM ENGINE (MACHINE SERIAL NO.1013～1500)
MOUNTING P.T.O. ON ENGINE (MACHINE SERIAL NO.1013～1500)
DISMOUNTING P.T.O. FROM ENGINE (MACHINE SERIAL NO.1501 AND UP)
MOUNTING P.T.O. ON ENGINE (MACHINE SERIAL NO.1501 AND UP)
DISASSEMBLY OF P.T.O. (MACHINE SERIAL NO.1013～1500)
ASSEMBLY OF P.T.O. (MACHINE SERIAL NO.1013～1500)
DISASSEMBLY OF P.T.O. (MACHINE SERIAL NO.1501 AND UP)
ASSEMBLY OF P.T.O. (MACHINE SERIAL NO.1501 AND UP)
DISMOUNTING FUEL TANK
MOUNTING FUEL TANK

POWER TRAIN
21 STRUCTURE AND FUNCTION
STRUCTURE AND FUNCTION
GENERAL
POWER TRAIN DIAGRAM
POWER TRAIN HYDRAULIC CIRCUIT DIAGRAM
TORQUE CONVERTER
TORQFLOW TRANSMISSION
TRANSFER
TORQFLOW HYDRAULIC PIPING DIAGRAM
TRANSMISSION CONTROL VALVE
TRANSMISSION PUMP
TRANSMISSION,STEERING OIL STRAINER
TRANSMISSION OIL FILTER
TRANSMISSION LUBRICATION VALVE
TORQUE CONVERTER DIVIDER VALVE
TORQFLOW HYDRAULIC SYSTEM DIAGRAM
TORQFLOW HYDRAULIC CIRCUIT DIAGRAM
TRANSMISSION CONTROL
COUNTERROTATION CONTROL
STEERING CONTROL
STEERING BRAKE
BRAKE CHECK VALVE
BRAKE CONTROL VALVE
BRAKE BOOSTER
BRAKE AND CENTER CLUTCH INTERCONNECTING VALVE
BRAKE,TRANSFER LUBRICATION VALVE
STEERING BRAKE HYDRAULIC SYSTEM DIAGRAM (MACHINE SERIAL NO.1013～1500)
STEERING BRAKE HYDRAULIC CIRCUIT DIAGRAM (MACHINE SERIAL NO.1013～1500)
STEERING BRAKE HYDRAULIC SYSTEM DIAGRAM (MACHINE SERIAL NO.1501 AND UP)
STEERING BRAKE HYDRAULIC CIRCUIT DIAGRAM (MACHINE SERIAL NO.1501 AND UP)
BRAKE CONTROL
BEVEL GEAR SHAFT,CENTER CLUTCH
STEERING HYDRAULIC PIPING DIAGRAM
CENTER CLUTCH CONTROL VALVE
STEERING PUMP
STEERING OIL FILTER
TORQUE CONVERTER LUBRICATION CIRCUIT DIVIDER VALVE
CENTER CLUTCH HYDRAULIC SYSTEM DIAGRAM (MACHINE SERIAL NO.1013～1069)
CENTER CLUTCH HYDRAULIC CIRCUIT DIAGRAM (MACHINE SERIAL NO.1013～1069)
CENTER CLUTCH HYDRAULIC SYSTEM DIAGRAM (MACHINE SERIAL NO.1070～1500)
CENTER CLUTCH HYDRAULIC CIRCUIT DIAGRAM (MACHINE SERIAL NO.1070～1500)
CENTER CLUTCH HYDRAULIC SYSTEM DIAGRAM (MACHINE SERIAL NO.1501 AND UP)
CENTER CLUTCH HYDRAULIC CIRCUIT DIAGRAM (MACHINE SERIAL NO.1501 AND UP)
FINAL DRIVE
22 TESTING AND ADJUSTING
TESTING AND ADJUSTING
GENERAL
OIL PRESSURE AND OIL TEMPERATURE MEASURING PROCEDURE
MEASUREMENT OF TRAVEL
MEASUREMENT OF OPERATING FORCE
STANDARD VALUE TABLE
PROCEDURE FOR RELEASING EMERGENCY BRAKE
23 DISASSEMBLY AND ASSEMBLY
TORQUE SPECIFICATIONS FOR NUTS AND BOLTS
DISASSEMBLY AND ASSEMBLY
DISMOUNTING TORQUE CONVERTER RELIEF VALVE
MOUNTING TORQUE CONVERTER RELIEF VALVE
DISMOUNTING TORQUE CONVERTER REGULATOR VALVE
MOUNTING TORQUE CONVERTER REGULATOR VALVE
DISMOUNTING L.H. TORQUE CONVERTER (MACHINE SERIAL NO.1013～1500)
MOUNTING L.H. TORQUE CONVERTER (MACHINE SERIAL NO.1013～1500)
DISMOUNTING R.H.TORQUE CONVERTER (MACHINE SERIAL NO.1013～1500)
MOUNTING R.H. TORQUE CONVERTER (MACHINE SERIAL NO.1013～1500)
DISMOUNTING TORQUE CONVERTER (MACHINE SERIAL NO.1501 AND UP)
MOUNTING TORQUE CONVERTER (MACHINE SERIAL NO.1501 AND UP)
DISASSEMBLY OF TORQUE CONVERTER
ASSEMBLY OF TORQUE CONVERTER
DISMOUNTING TRANSMISSION CONTROL VALVE (MACHINE SERIAL NO.1013～1500)
MOUNTING TRANSMISSION CONTROL VALVE (MACHINE SERIAL NO.1013～1500)
DISMOUNTING TRANSMISSION CONTROL VALVE (1/2) (MACHINE SERIAL NO.1501 AND UP)
MOUNTING TRANSMISSION CONTROL VALVE (1/2) (MACHINE SERIAL NO.1501 AND UP)
DISMOUNTING COUNTER ROTATION VALVE
MOUNTING COUNTER ROTATION VALVE
DISMOUNTING L.H. BRAKE BOOSTER (MACHINE SERIAL NO.1013～1300)
MOUNTING L.H. BRAKE BOOSTER (MACHINE SERIAL NO.1013～1300)
DISMOUNTING L.H. BRAKE BOOSTER (MACHINE SERIAL NO.1013～1500)
MOUNTING L.H. BRAKE BOOSTER (MACHINE SERIAL NO.1013～1500)
DISMOUNTING R.H.BRAKE BOOSTER (MACHINE SERIAL NO.1013～1300)
MOUNTING R.H. BRAKE BOOSTER (MACHINE SERIAL NO.1013～1300)
DISMOUNTING R.H.BRAKE BOOSTER (MACHINE SERIAL NO.1013～1500)
MOUNTING R.H. BRAKE BOOSTER (MACHINE SERIAL NO.1013～1500)
DISMOUNTING BRAKE BOOSTER (MACHINE SERIAL NO.1501 AND UP)
MOUNTING BRAKE BOOSTER (MACHINE SERIAL NO. 1501 AND UP)
DISASSEMBLY OF BRAKE BOOSTER
ASSEMBLY OF BRAKE BOOSTER
DISASSEMBLY OF BRAKE VALVE
ASSEMBLY OF BRAKE CONTROL VALVE
DISMOUNTING INSTRUMENT PANEL BOX COVER
MOUNTING INSTRUMENT PANEL BOX COVER
DISMOUNTING DASHBOARD
MOUNTING DASHBOARD
DISMOUNTING FLOOR FRAME (MACHINE SERIAL NO.1013～1300)
MOUNTING FLOOR FRAME (MACHINE SERIAL NO.1013～1300)
DISMOUNTING FLOOR FRAME (MACHINE SERIAL NO.1301 AND UP)
MOUNTING FLOOR FRAME (MACHINE SERIAL NO.1301 AND UP)
DISMOUNTING TRANSMISSION
MOUNTING TRANSMISSION
DISMOUNTING TRANSFER AND BRAKE FROM TRANSMISSION
MOUNTING TRANSFER AND BRAKE FROM TRANSMISSION
DISASSEMBLY OF TRANSMISSION
ASSEMBLY OF TRANSMISSION
DISASSEMBLY OF TRANSFER FROM BRAKE (MACHINE SERIAL NO.1013～1300)
ASSEMBLY OF TRANSFER TO BRAKE (MACHINE SERIAL NO.1013～1300)
DISASSEMBLY OF TRANSFER FROM BRAKE (MACHINE SERIAL NO.1301 AND UP)
ASSEMBLY OF TRANSFER TO BRAKE (MACHINE SERIAL NO.1301 AND UP)
DISASSEMBLY OF TRANSFER (MACHINE SERIAL NO.1013～1300)
ASSEMBLY OF TRANSFER (MACHINE SERIAL NO.1013～1300)
DISASSEMBLY OF TRANSFER (MACHINE SERIAL NO.1301 AND UP)
ASSEMBLY OF TRANSFER (MACHINE SERIAL NO.1301 AND UP)
DISASSEMBLY OF BRAKE (MACHINE SERIAL NO.1013～1300)
ASSEMBLY OF BRAKE (MACHINE SERIAL NO.1013～1300)
DISASSEMBLY OF BRAKE (MACHINE SERIAL NO.1301 AND UP)
ASSEMBLY OF BRAKE (MACHINE SERIAL NO.1301 AND UP)
DISMOUNTING TRANSMISSION PUMP (MACHINE SERIAL NO.1013～1500)
MOUNTING TRANSMISSION PUMP (MACHINE SERIAL NO.1013～1500)
DISMOUNTING TRANSMISSION PUMP (MACHINE SERIAL NO.1501 AND UP)
MOUNTING TRANSMISSION PUMP (MACHINE SERIAL NO.1501 AND UP)
DISMOUNTING BEVEL PINION
MOUNTING BEVEL PINION
DISASSEMBLY OF BEVEL PINION
ASSEMBLY OF BEVEL PINION
DISMOUNTING STEERING CONTROL VALVE (MACHINE SERIAL NO.1013～1500)
MOUNTING STEERING CONTROL VALVE (MACHINE SERIAL NO. 1013～1500)
DISMOUNTING STEERING VALVE AND BRAKE VALVE (MACHINE SERIAL NO. 1501 AND UP)
MOUNTING STEERING VALVE AND BRAKE VALVE (MACHINE SERIAL NO. 1501 AND UP)
DISASSEMBLY OF STEERING CONTROL VALVE
ASSEMBLY OF STEERING CONTROL VALVE
DISMOUNTING CENTER CLUTCH (MACHINE SERIAL NO. 1013～1500)
MOUNTING CENTER CLUTCH (MACHINE SERIAL NO. 1013～1500)
DISMOUNTING CENTER CLUTCH (MACHINE SERIAL NO. 1501 ADN UP)
MOUNTING CENTER CLUTCH (MACHINE SERIAL NO. 1501 AND UP)
DISASSEMBLY OF CENTER CLUTCH
ASSEMBLY OF CENTER CLUTCH
DISMOUNTING BEVEL GEAR AND BEVEL GEAR SHAFT
MOUNTING BEVEL GEAR AND BEVEL GEAR SHAFT
DISMOUNTING TRANSMISSION AND STEERING OIL COOLER (MACHINE SERIAL NO. 1013～1300)
MOUNTING TRANSMISSION AND STEERING OIL COOLER (MACHINE SERIAL NO. 1013～1300)
DISMOUNTING TRANSMISSION AND STEERING OIL COOLER (MACHINE SERIAL NO. 1301 AND UP)
MOUNTING TRANSMISSION AND STEERING OIL COOLER (MACHINE SERIAL NO. 1301 AND UP)
DISMOUNTING OIL COOLER AND GUARD (MACHINE SERIAL NO. 1013～1300)
MOUNTING OIL COOLER AND GUARD (MACHINE SERIAL NO. 1013～1300)
DISMOUNTING OIL COOLER AND GUARD (MACHINE SERIAL NO. 1301 AND UP)
MOUNTING OIL COOLER AND GUARD (MACHINE SERIAL NO. 1301 AND UP)
DISMOUNTING STEERING PUMP
MOUNTING STEERING PUMP
DISASSEMBLY OF FINAL DRIVE
ASSEMBLY OF FINAL DRIVE
24 MAINTENANCE STANDARD
MAINTENANCE STANDARD
TORQUE CONVERTER
TORQFLOW TRANSMISSION
TRANSFER
TRANSMISSION CONTROL VALVE
TRANSMISSION PUMP
TORQUE CONVERTER FLOW DIVIDER
TRANSMISSION LUBRICATION VALVE
STEERING BRAKE
BRAKE CHECK VALVE (MACHINE SERIAL NO. 1013～1500)
BRAKE CONTROL VALVE (MACHINE SERIAL NO. 1013～1500)
BRAKE AND CENTER CLUTCH INTERCONNECTING VALVE (MACHINE SERIAL NO. 1501 AND UP)
BRAKE BOOSTER
BRAKE,TRANSFER LUBRICATION VALVE (MACHINE SERIAL NO. 1070～1500)
BEVEL GEAR SHAFT,CENTER CLUTCH
CENTER CLUTCH CONTROL VALVE
TORQUE CONVERTER LUBRICATION CIRCUIT DIVIDER VALVE (MACHINE SERIAL NO. 1501 AND UP)
STEERING PUMP
FINAL DRIVE
25 TROUBLE SHOOTING
TROUBLE SHOOTING
GENERAL
1. TORQUE CONVERTER
PROBLEM NO.1
NORMAL TRACTIONAL FORCE CANNOT BE OBTAINED AND TRAVELING SPEED DOES NOT INCREASE.(LACK OF DRIVING POWER)
PROBLEM NO.2
1. THE SAME AS NO.1
2. THE TORQUE CONVERTER OVERHEATS
3. TORQUE CONVERTER OIL PRESSURE IS TOO HIGH
PROBLEM NO.3
1. THE SAME SYMPTOM AS DESCRIBED IN NO.1
2. OVERHEATING (OIL TEMPERATURE GAUGE POINTER SWING INTO THE RIGHT SIDE RANGE BEYOND THE GREEN OPERATING RANGE)
2. TRANSMISSION
PROBLEM NO.4
1. THE SAME SYMPTOM AS DESCRIBED IN NO.1
2. CLUTCH SLIPS
3. WHEN THE BLADE IS LOADED,THE MACHINE WILL STOP EVEN IF THE UNIVERSAL JOINT ROTATES
PROBLEM NO.5
AN EXCESSIVELY LARGE SHOCK IS FELT WHEN STARTING THE MACHINE OR SHIFTING GEAR SPEEDS
PROBLEM NO.6
THE TRANSMISSION FAILS TO TRANSMIT DRIVING POWER AT ALL SPEED POSITIONS
PROBLEM NO.7
INSUFFICIENT TRACTIONAL FORCE AND SLOW TRAVELING SPEED
PROBLEM NO.8
THE MACHINE MOVES WHEN THE ENGINE IS STARTED
PROBLEM NO.9
THE MACHINE TANDS TO STOP ON AN UPHILL GRADE
PROBLEM NO.10
1. EXCESSIVE TIME LAG WHEN STARTING THE MACHINE OR SHIFTING THE TRANSMISSION SPEEDS
2. THE MACHINE DOES NOT INSTANTLY FOLLOW THE SHIFTING OF THE TRANSMISSION
PROLBEM NO.11
EXCESSIVE SHOCK WHEN STARTING THE MACHINE OR SHIFTING THE TRANSMISSION
PROLBEM NO.12
THE TRANSMISSION CONTROL LEVER TENDS TO SEPARATE FROM THE SET POSITION
PROLBEM NO.13
THE TRANSMISSION CONTROL LEVER DOES NOT MOVE EASILY
PROLBEM NO.14
THE MACHINE DOES NOT MOVE WHEN THE TRANSMISSION IS SHIFTED TO ANY SPEED POSITION,AND THE TORQUE CONVERTER STALLS
PROLBEM NO.15
THE TRANSMISSION IS AUTOMATICALLY SHIFTED DOWN DURING TRAVELING
3. STEERING BRAKE
PROLBEM NO.16
BRAKE DOES NOT ACT AT ALL OR ACTS INEFFECTIVELY
PROLBEM NO.17
1. THE SAME AS PROBLEM NO.6
2. MACHINE FAILS TO START AT SOME SPEED POSITION
PROLBEM NO.18
BRAKE ACTS WHEN TRANSMISSION CONTROL LEVER IS SHIFT
4. CENTER CLUTCH
PROLBEM NO.19
MACHINE WILL NOT TURN IN EITHER DIRECTION (INCL.COUNTER ROTATION)
PROLBEM NO.20
MACHINE FAILS TO KEEP STRAIGHT TRAVEL ON ROUGH GROUND

UNDERCARRIAGE
31 STRUCTURE AND FUNCTION
STRUCTURE AND FUNCTION
TRACK GROUP
RECOIL SPRING
IDLER
TRACK ROLLERS
CARRIER ROLLERS
PIVOT SHAFTS
TRACK
SUSPENSION
33 DISASSEMBLY AND ASSEMBLY
TORQUE SPECIFICATIONS FOR NUTS AND BOLTS
DISASSEMBLY AND ASSEMBLY
SEPARATION OF TRACK
CONNECTION OF TRACK
DISMOUNTING CARRIER ROLLER
MOUNTING CARRIER ROLLER
DISMOUNTING TRACK ROLLER
MOUNTING TRACK ROLLER
DISMOUNTING IDLER AND RECOIL SPRING
MOUNTING IDLER AND RECOIL SPRING
DISASSEMBLY OF RECOIL SPRING
ASSEMBLY OF RECOIL SPRING
DISMOUNTING TRACK FRAME
MOUNTING TRACK FRAME
DISMOUNTING PIVOT SHAFT
MOUNTING PIVOT SHAFT
34 MAINTENANCE STANDARD
MAINTENANCE STANDARD
TRACK FRAMES
RECOIL SPRING
IDLER
TRACK ROLLERS
CARRIER ROLLERS
PIVOT SHAFT
TRACK
SUSPENSION

HYDRAULIC SYSTEM
61 STRUCTURE AND FUNCTION
STRUCTURE AND FUNCTION
WORK EQUIPMENT HYDRAULIC PIPING DIAGRAM
WORK EQUIPMENT PUMP
HYDRAULIC FILTER
HYDRAULIC TANK
WORK EQUIPMENT HYDRAULIC CONTROL VALVES
WORK EQUIPMENT HYDRAULIC CYLINDERS
RIPPER SELECTOR VALVE,PILOT CHECK VALVE
PILOT VALVE
WORK EQUIPMENT HYDRAULIC SYSTEM DIAGRAM (MACHINE SERIAL NO.1013～1300)
WORK EQUIPMENT HYDRAULIC CIRCUIT DIAGRAM (MACHINE SERIAL NO.1013～1300)
WORK EQUIPMENT HYDRAULIC SYSTEM DIAGRAM (MACHINE SERIAL NO.1013～1500)
WORK EQUIPMENT HYDRAULIC CIRCUIT DIAGRAM (MACHINE SERIAL NO.1013～1500)
WORK EQUIPMENT HYDRAULIC SYSTEM DIAGRAM (MACHINE SERIAL NO.1501 AND UP)
WORK EQUIPMENT HYDRAULIC CIRCUIT DIAGRAM (MACHINE SERIAL NO.1501 AND UP)
PIN-PULLER VALVE
PIN-PULLER CYLINDER
PIN PULLER HYDRAULIC SYSTEM DIAGRAM
PIN PULLER HYDRAULIC CIRCUIT DIAGRAM
ROTARY SERVO VALVE (MACHINE SERIAL NO.1013～1300)
SERVO PUMP (MACHINE SERIAL NO.1013～1300)
ROTARY SERVO VALVE (MACHINE SERIAL NO.1301 AND UP)
SERVO VALVE HYDRAULIC SYSTEM DIAGRAM (MACHINE SERIAL NO.1013～1300)
SERVO VALVE HYDRAULIC CIRCUIT DIAGRAM (MACHINE SERIAL NO.1013～1300)
SERVO VALVE HYDRAULIC SYSTEM DIAGRAM (MACHINE SERIAL NO.1301 AND UP)
SERVO VALVE HYDRAULIC CIRCUIT DIAGRAM (MACHINE SERIAL NO.1301 AND UP)
WORK EQUIPMENT CONTROL
62 TESTING AND ADJUSTING
TESTING AND ADJUSTING
GENERAL
HYDRAULIC CONTROL
MEASUREMENT POINTS OF OIL PRESSURE
OIL PRESSURE AND TEMPERATURE CHECK POSITION
HYDRAULIC OIL PUMP
MEASUREMENT PROCEDURE OF OIL PRESSURE
ADJUSTMENT PROCEDURE OF OIL PRESSURE
MEASURING THE HYDRAULIC PUMP DELIVERY
MEASUREMENT OF OPERATING FORCE,STROKE
ADJUSTMENT OF BLADE (STRAIGH TILT DOZER)
63 DISASSEMBLY AND ASSEMBLY
TORQUE SPECIFICATIONS FOR NUTS AND BOLTS
DISASSEMBLY AND ASSEMBLY
DISMOUNTING L.H.HYDRAULIC PUMP (MACHINE SERIAL NO.1013～1500)
MOUNTING L.H.HYDRAULIC PUMP (MACHINE SERIAL NO.1013～1500)
DISMOUNTING R.H.HYDRAULIC PUMP (MACHINE SERIAL NO.1013～1500)
MOUNTING R.H.HYDRAULIC PUMP (MACHINE SERIAL NO.1013～1500)
DISMOUNTING HYDRAULIC PUMP (MACHINE SERIAL NO.1501 AND UP)
MOUNTING HYDRAULIC PUMP (MACHINE SERIAL NO.1501 AND UP)
DISMOUNTING OIL COOLER GUARD
MOUNTING OIL COOLER GUARD
DISMOUNTING RIPPER AND BLADE LIFT VALVE
MOUNTING RIPPER AND BLADE LIFT VALVE
DISASSEMBLY OF RIPPER AND BLADE LIFT VALVE
ASSEMBLY OF RIPPER AND BLADE LIFT VALVE
DISMOUNTING BLADE TILT VALVE
MOUNTING BLADE TILT VALVE
DISASSEMBLY OF BLADE TILT VALVE
ASSEMBLY OF BLADE TILT VALVE
DISMOUNTING HYDRAULIC TANK
MOUNTING HYDRAULIC TANK
DISMOUNTING RIPPER SELECTOR VALVE
MOUNTING RIPPER SELECTOR VALVE
DISASSEMBLY OF RIPPER SELECTOR VALVE
ASSEMBLY OF RIPPER SELECTOR VALVE
DISMOUNTING PIN PULLER VALVE
MOUNTING PIN PULLER VALVE
DISASSEMBLY OF PIN PULLER VALVE
ASSEMBLY OF PIN PULLER VALVE
DISMOUNTING BLADE LIFT CYLINDER
MOUNTING BLADE LIFT CYLINDER
DISASSEMBLY OF BLADE LIFT CYLINDER
ASSEMBLY OF BLADE LIFT CYLINDER
DISMOUNTING BLADE TILT CYLINDER
MOUNTING BLADE TILT CYLINDER
DISASSEMBLY OF BLADE TILT CYLINDER
ASSEMBLY OF BLADE TILT CYLINDER
DISMOUNTING RIPPER LIFT CYLINDER
MOUNTING RIPPER LIFT CYLINDER
DISMOUNTING RIPPER TILT CYLINDER
MOUNTING RIPPER TILT CYLINDER
DISASSEMBLY OF RIPPER CYLINDER
ASSEMBLY OF RIPPER CYLINDER
DISMOUNTING RIPPER PIN PULLER CYLINDER
MOUNTING RIPPER PIN PULLER CYLINDER
64 MAINTENANCE STANDARD
MAINTENANCE STANDARD
HYDRAULIC CONTROL VALVE
HYDRAULIC PUMP
HYDRAULIC CYLINDER
QUICK DROP VALVE
RIPPER SELECTOR VALVE,PILOT CHECK VALVE
PILOT VALVE
RIPPER PIN-PULLER VALVE
PIN-PULLER CYLINDER
SERVO PUMP
ROTARY SERVO VALVE
65 TROUBLE SHOOTING
TROUBLE SHOOTING
PROBLEM NO.1. HYDRAULIC PRESSURE IS INSUFFICIENT TO RAISE THE BLADE
PROBLEM NO.2. THE BLADE RAISES TOO SLOWLY
PROBLEM NO.3. BLADE MOVES VERTICALLY DURING GROUND LEVELLING OPERATION
PROBLEM NO.4
(1) BLADE LOWERS SOME DISTANCE WHEN THE CONTROL LEVER IS SHIFTED FROM SUPPORT TO RAISE POSITION
(2) BLADE LOWERS GRADUALLY WHEN THE ENGINE IS STOPPED AND THE CONTROL LEVER IS SHIFTED TO THE RAISE POSITION
PROBLEM NO.5. RIGHT AND LEFT ENDS OF THE BLADE DO NOT RAISED EVENLY
PROBLEM NO.6. CYLINDER FAILS TO LIFT THE BLADE
PROBLEM NO.7. BLADE FALLS TO JACK UP THE MACHINE
PROBLEM NO.8. EXCESSIVE RATE OF BLADE LOWERING BY ITS OWN WEIGHT

WORK EQUIPMENT
71 STRUCTURE AND FUNCTION
STRUCTURE AND FUNCTION
STRAIGHT-TILT DOZER
VARIABLE GIANT RIPPER
73 DISASSEMBLY AND ASSEMBLY
TORQUE SPECIFICATIONS FOR NUTS AND BOLTS
DISASSEMBLY AND ASSEMBLY
DISMOUNTING BLADE ASS'Y
MOUNTING BLADE ASS'Y
DISASSEMBLY OF BLADE ASS'Y
ASSEMBLY OF BLADE ASS'Y
DISASSEMBLY OF RIPPER ASS'Y
ASSEMBLY OF RIPPER ASS'Y
74 MAINTENANCE STANDARD
MAINTENANCE STANDARD
STRAIGHT-TILT DOZER
VARIABLE GIANT RIPPER

OTHERS
90 ELECTRICAL SYSTEM
ELECTRICAL SYSTEM
ELECTRICAL CIRCUIT (MACHINE SERIAL NO.1013～1300)
ELECTRICAL CIRCUIT (MACHINE SERIAL NO.1301～1500)
ELECTRICAL CIRCUIT (MACHINE SERIAL NO.1501 AND UP)
TROUBLE SHOOTING
93 DISASSEMBLY AND ASSEMBLY
DISASSEMBLY AND ASSEMBLY
TURNING OVER ROPS CAB (MACHINE SERIAL NO.1501 AND UP)
TURNING BACK ROPS CAB (MACHINE SERIAL NO.1501 AND UP)

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