KOMATSU 830B MOTOR GRADER SN 203163 & UP SERVICE MANUAL
This is the COMPLETE official full service repair manual for the KOMATSU 830B MOTOR GRADER SN 203163 & UP. Professional work shop technicians use and trust this service manuals - now you can too!
In book KOMATSU 830B MOTOR GRADER SN 203163 & UP SERVICE REPAIR MANUAL you will find the complete informations was keeped like the original manufacturer book. Also, you will find also datasheet information about circuits, diagrams, equipments. 
Service manual is presented to improve the level of service and repair of KOMATSU 830B MOTOR GRADER SN 203163 & UP.
This service manual contains repair and troubleshoot instructions, descriptions of repair and service procedures, etc.
This manual includes detailed diagrams and charts that help you to get a detailed description of all systems motor grader KOMATSU, using which you can determine where to install details, etc.
Service manual helps to quickly and easily repair motor grader KOMATSU, troubleshoot it and to solve problems, resolve any problems that arise.
Service manual comes in PDF, all pages are printable. We recommend to use Adobe PDF Reader, to be sure all images / graphics will display correctly.
DOWNLOAD NOW KOMATSU 830B MOTOR GRADER SN 203163 & UP SERVICE MANUAL!
CONTENTS:
01 GENERAL 
10 STRUCTURE AND FUNCTION 
STEERING (ORBITROL) CONTROL VALVE 
TRANSMISSION POWER SHIFT 
TRANSMISSION SHIFTER 
RECOMMENDED LUBRICANT AND FILTER CHANGE INTERVALS 
GENERAL LOCATION OF COMPONENTS 
ALL-WHEEL-DRIVE PUMP 
ROTARY GROUP 
EP2 HYDRAULIC CONTROL
INTERPRETATION OF TYPE CODES 
CIRCLE REVERSE MOTOR 
CIRCLE REVERSE GEAR CASE MOTOR 
CIRCLE REVERSE MOTOR 
STEERING AND BRAKE PUMP 
STEERING AND BRAKE PUMP MOUNT 
STEERING AND BRAKE PUMP 
SPECIFICATIONS 
AWD HYDRAULIC MOTOR 
SPECIFICATIONS 
HYDRAULIC OIL SWIVEL BLOCK 
FOUR WAY 
CONTROL VALVE MANIFOLDS 
OPTIONAL CONTROL LEVER (SCARIFIER)
OPTIONAL CONTROL LEVERS (AUXILIARY) 
CONTROL VALVES - LH BANK 
CONTROL VALVES - RH BANK 
VALVE SECTION 
MAIN SYSTEM PUMP MOUNT 
MAIN SYSTEM PUMP 
AWD HIC VALVE 
SOLENOID VALVE CARTRIDGE 
ACCUMULATOR 
SPECIFICATIONS 
BRAKE SYSTEM ACCUMULATORS
DRAWBAR LIFT AND DRAWBAR SIDE SHIFT ACCUMULATORS 
HYDRAULIC SYSTEM OVERVIEW 
STANDARD GRADER 
MAIN HYDRAULIC CIRCUIT 
STEERING AND BRAKE HYDRAULIC CIRCUIT (INCLUDES LOCK PIN) 
STANDARD GRADER WITH ALL WHEEL DRIVE (AWD) 
MAIN HYDRAULIC CIRCUIT 
ALL WHEEL DRIVE CIRCUIT 
STEERING AND BRAKE HYDRAULIC CIRCUIT (INCLUDES LOCK PIN) 
MAIN HYDRAULIC CIRCUIT 
SPOOL VALVE POSITIONS 
NEUTRAL (CENTER) 
PULLED (PRESSURIZED B PORT) 
PUSHED (PRESSURIZED A PORT) 
MAIN SYSTEM CONTROL VALVES 
SCARIFIER 
RIGHT AND LEFT BLADE LIFT 
FLOAT VALVE 
BLADE SHIFT
CIRCLE REVERSE MOTOR
MOLDBOARD TILT 
ARTICULATION 
CIRCLE SIDE SHIFT 
LEANING WHEEL 
OPTIONAL FLOAT VALVE 
STEERING AND BRAKE CIRCUIT 
ALL-WHEEL-DRIVE CIRCUIT 
NORMAL MODE 
AGGRESSIVE MODE 
HYDRAULIC OPERATION 
ELECTRICAL OPERATION 
AWD CONTROLLER PROGRAMMING 
LOCK/UNLOCK DIFFERENTIAL PUMP 
CIRCLE REVERSE SLIP CLUTCH 
CIRCLE REVERSE GEAR CASE
WITHOUT SLIP CLUTCH 
WITH SLIP CLUTCH 
MOTOR INSTALLATION 
TANDEM CASE
LOCATION 
DESCRIPTION 
NONPLANETARY FINAL DRIVE 
PLANETARY FINAL DRIVE 
FINAL DRIVE IDENTIFICATION 
PART NUMBER TAG 
TANDEM CASE MEASUREMENT 
SPECIFICATIONS 
AWD GEARBOX ASSEMBLY
AWD GEARBOX 
FRONT AXLE ASSEMBLY 
NON ALL-WHEEL-DRIVE FRONT AXLE 
AWD FRONT AXLE 
FINAL DRIVE ASSEMBLY 
FINAL DRIVE WITHOUT PLANETARY REDUCTION 
FINAL DRIVE WITH PLANETARY REDUCTION 
NO-SPIN DIFFERENTIAL CASE ASSEMBLY 
LOCK/UNLOCK DIFFERENTIAL CASE ASSEMBLY 
INPUT QUILL ASSEMBLY 
BRAKES 
NO-SPIN DIFFERENTIAL BEARING QUILLS 
LOCK/UNLOCK DIFFERENTIAL BEARING QUILLS 
LOCK/UNLOCK DIFFERENTIAL ASSEMBLY 
LOCK/UNLOCK DIFFERENTIAL CASE OIL LINE 
NO-SPIN DIFFERENTIAL ASSEMBLY 
NO-SPIN DIFFERENTIAL 
PLANETARY ASSEMBLY AND RING GEAR 
NONPLANETARY FINAL DRIVE CROSS SECTION 
PLANETARY REDUCTION FINAL DRIVE CROSS SECTION 
MICO PARKING BRAKE
MICO PARKING BRAKE INSTALLATION 
PARKING BRAKE CALIPER
MICO BRAKE VALVE 
BRAKE PEDAL LINKAGE 
HYDRAULIC BRAKE LINES - WITHOUT AWD 
HYDRAULIC BRAKE LINES - WITH AWD 
BRAKE VALVE
TILT STEERING CONSOLE 
EXPLODED VIEW OF TILT STEERING CONSOLE
20 TESTING, ADJUSTING AND TROUBLESHOOTING
STANDARD VALUE TABLES
TRANSMISSION POWER SHIFT
AWD PUMP
CIRCLE REVERSE MOTOR
STEERING AND BRAKE PUMP
AWD HYDRAULIC MOTOR 
FOUR-WAY SWIVEL BLOCK
FRONT AXLE AND GEARBOX
HYDRAULIC CYLINDERS
BALL AND SOCKET SHIMMING ADJUSTMENT
ACCUMULATORS
HYDRAULIC CIRCUITS
STEERING AND BRAKE SYSTEM PRESSURE TEST
AWD SYSTEM TEST
ALL-WHEEL-DRIVE PUMP
AWD HYDRAULIC SYSTEM FILTERING PROCEDURE
LOCK/UNLOCK DIFFERENTIAL RELIEF VALVE
FINAL DRIVE ASSEMBLY
TANDEM CASE
CIRCLE ADJUSTMENT
CIRCLE REVERSE SLIP CLUTCH
PARKING BRAKE CALIPER
BRAKE VALVES
30 DISASSEMBLY AND ASSEMBLY
SKETCHES OF SPECIAL TOOLS
TRANSMISSION
CIRCLE REVERSE MOTOR (PARKER)
CIRCLE REVERSE MOTOR (CHAR-LYNN)
HYDRAULIC MOTOR
HYDRAULIC OIL SWIVEL BLOCK - 4 WAY
CIRCLE REVERSE SLIP CLUTCH
TANDEM CASE
AWD - GEARBOX ASSEMBLY
AWD - MOTOR (VICKERS-EATON) 
FINAL DRIVE ASSEMBLY
ARTICULATION JOINT
40 MAINTENANCE STANDARD 
FINAL DRIVE
NO SPIN DIFFERENTIAL CASE ASSEMBLY
NO SPIN DIFFERENTIAL ASSEMBLY
FINAL DRIVE AND TANDEMS 
TANDEM DRIVE
BRAKE VALVE 
STEERING CYLINDER 
LEANING WHEEL CYLINDER 
MOLDBOARD TILT CYLINDER 
MOLDBOARD SIDE SHIFT. 
DRAWBAR SIDE SHIFT CYLINDER. 
DRAWBAR LIFT CYLINDER 
SCARIFIER CYLINDER. 
ARTICULATION CYLINDER 
RIPPER CYLINDER 
LUG NUTS. 
FRONT AXLE 
POWER TILT MOLDBOARD CARRIER 
FRAME. 
DRAWBAR AND CIRCLE 
DRAWBAR LIFT.
ENGINE AND TRANSMISSION 
DRIVE LINE 
ALTERNATOR 
CAB MOUNT. 
90 OTHER 
ORIGINAL ELECTRICAL DIAGRAM
REVISED ELECTRICAL DIAGRAM
800 TRANSMISSION WITH AWD DIAGRAM
HYDRAULIC CIRCUIT DIAGRAM
             
            
            
                KOMATSU 830B MOTOR GRADER SN 203163 & UP SERVICE MANUAL
This is the COMPLETE official full service repair manual for the KOMATSU 830B MOTOR GRADER SN 203163 & UP. Professional work shop technicians use and trust this service manuals - now you can too!
In book KOMATSU 830B MOTOR GRADER SN 203163 & UP SERVICE REPAIR MANUAL you will find the complete informations was keeped like the original manufacturer book. Also, you will find also datasheet information about circuits, diagrams, equipments. 
Service manual is presented to improve the level of service and repair of KOMATSU 830B MOTOR GRADER SN 203163 & UP.
This service manual contains repair and troubleshoot instructions, descriptions of repair and service procedures, etc.
This manual includes detailed diagrams and charts that help you to get a detailed description of all systems motor grader KOMATSU, using which you can determine where to install details, etc.
Service manual helps to quickly and easily repair motor grader KOMATSU, troubleshoot it and to solve problems, resolve any problems that arise.
Service manual comes in PDF, all pages are printable. We recommend to use Adobe PDF Reader, to be sure all images / graphics will display correctly.
DOWNLOAD NOW KOMATSU 830B MOTOR GRADER SN 203163 & UP SERVICE MANUAL!
CONTENTS:
01 GENERAL 
10 STRUCTURE AND FUNCTION 
STEERING (ORBITROL) CONTROL VALVE 
TRANSMISSION POWER SHIFT 
TRANSMISSION SHIFTER 
RECOMMENDED LUBRICANT AND FILTER CHANGE INTERVALS 
GENERAL LOCATION OF COMPONENTS 
ALL-WHEEL-DRIVE PUMP 
ROTARY GROUP 
EP2 HYDRAULIC CONTROL
INTERPRETATION OF TYPE CODES 
CIRCLE REVERSE MOTOR 
CIRCLE REVERSE GEAR CASE MOTOR 
CIRCLE REVERSE MOTOR 
STEERING AND BRAKE PUMP 
STEERING AND BRAKE PUMP MOUNT 
STEERING AND BRAKE PUMP 
SPECIFICATIONS 
AWD HYDRAULIC MOTOR 
SPECIFICATIONS 
HYDRAULIC OIL SWIVEL BLOCK 
FOUR WAY 
CONTROL VALVE MANIFOLDS 
OPTIONAL CONTROL LEVER (SCARIFIER)
OPTIONAL CONTROL LEVERS (AUXILIARY) 
CONTROL VALVES - LH BANK 
CONTROL VALVES - RH BANK 
VALVE SECTION 
MAIN SYSTEM PUMP MOUNT 
MAIN SYSTEM PUMP 
AWD HIC VALVE 
SOLENOID VALVE CARTRIDGE 
ACCUMULATOR 
SPECIFICATIONS 
BRAKE SYSTEM ACCUMULATORS
DRAWBAR LIFT AND DRAWBAR SIDE SHIFT ACCUMULATORS 
HYDRAULIC SYSTEM OVERVIEW 
STANDARD GRADER 
MAIN HYDRAULIC CIRCUIT 
STEERING AND BRAKE HYDRAULIC CIRCUIT (INCLUDES LOCK PIN) 
STANDARD GRADER WITH ALL WHEEL DRIVE (AWD) 
MAIN HYDRAULIC CIRCUIT 
ALL WHEEL DRIVE CIRCUIT 
STEERING AND BRAKE HYDRAULIC CIRCUIT (INCLUDES LOCK PIN) 
MAIN HYDRAULIC CIRCUIT 
SPOOL VALVE POSITIONS 
NEUTRAL (CENTER) 
PULLED (PRESSURIZED B PORT) 
PUSHED (PRESSURIZED A PORT) 
MAIN SYSTEM CONTROL VALVES 
SCARIFIER 
RIGHT AND LEFT BLADE LIFT 
FLOAT VALVE 
BLADE SHIFT
CIRCLE REVERSE MOTOR
MOLDBOARD TILT 
ARTICULATION 
CIRCLE SIDE SHIFT 
LEANING WHEEL 
OPTIONAL FLOAT VALVE 
STEERING AND BRAKE CIRCUIT 
ALL-WHEEL-DRIVE CIRCUIT 
NORMAL MODE 
AGGRESSIVE MODE 
HYDRAULIC OPERATION 
ELECTRICAL OPERATION 
AWD CONTROLLER PROGRAMMING 
LOCK/UNLOCK DIFFERENTIAL PUMP 
CIRCLE REVERSE SLIP CLUTCH 
CIRCLE REVERSE GEAR CASE
WITHOUT SLIP CLUTCH 
WITH SLIP CLUTCH 
MOTOR INSTALLATION 
TANDEM CASE
LOCATION 
DESCRIPTION 
NONPLANETARY FINAL DRIVE 
PLANETARY FINAL DRIVE 
FINAL DRIVE IDENTIFICATION 
PART NUMBER TAG 
TANDEM CASE MEASUREMENT 
SPECIFICATIONS 
AWD GEARBOX ASSEMBLY
AWD GEARBOX 
FRONT AXLE ASSEMBLY 
NON ALL-WHEEL-DRIVE FRONT AXLE 
AWD FRONT AXLE 
FINAL DRIVE ASSEMBLY 
FINAL DRIVE WITHOUT PLANETARY REDUCTION 
FINAL DRIVE WITH PLANETARY REDUCTION 
NO-SPIN DIFFERENTIAL CASE ASSEMBLY 
LOCK/UNLOCK DIFFERENTIAL CASE ASSEMBLY 
INPUT QUILL ASSEMBLY 
BRAKES 
NO-SPIN DIFFERENTIAL BEARING QUILLS 
LOCK/UNLOCK DIFFERENTIAL BEARING QUILLS 
LOCK/UNLOCK DIFFERENTIAL ASSEMBLY 
LOCK/UNLOCK DIFFERENTIAL CASE OIL LINE 
NO-SPIN DIFFERENTIAL ASSEMBLY 
NO-SPIN DIFFERENTIAL 
PLANETARY ASSEMBLY AND RING GEAR 
NONPLANETARY FINAL DRIVE CROSS SECTION 
PLANETARY REDUCTION FINAL DRIVE CROSS SECTION 
MICO PARKING BRAKE
MICO PARKING BRAKE INSTALLATION 
PARKING BRAKE CALIPER
MICO BRAKE VALVE 
BRAKE PEDAL LINKAGE 
HYDRAULIC BRAKE LINES - WITHOUT AWD 
HYDRAULIC BRAKE LINES - WITH AWD 
BRAKE VALVE
TILT STEERING CONSOLE 
EXPLODED VIEW OF TILT STEERING CONSOLE
20 TESTING, ADJUSTING AND TROUBLESHOOTING
STANDARD VALUE TABLES
TRANSMISSION POWER SHIFT
AWD PUMP
CIRCLE REVERSE MOTOR
STEERING AND BRAKE PUMP
AWD HYDRAULIC MOTOR 
FOUR-WAY SWIVEL BLOCK
FRONT AXLE AND GEARBOX
HYDRAULIC CYLINDERS
BALL AND SOCKET SHIMMING ADJUSTMENT
ACCUMULATORS
HYDRAULIC CIRCUITS
STEERING AND BRAKE SYSTEM PRESSURE TEST
AWD SYSTEM TEST
ALL-WHEEL-DRIVE PUMP
AWD HYDRAULIC SYSTEM FILTERING PROCEDURE
LOCK/UNLOCK DIFFERENTIAL RELIEF VALVE
FINAL DRIVE ASSEMBLY
TANDEM CASE
CIRCLE ADJUSTMENT
CIRCLE REVERSE SLIP CLUTCH
PARKING BRAKE CALIPER
BRAKE VALVES
30 DISASSEMBLY AND ASSEMBLY
SKETCHES OF SPECIAL TOOLS
TRANSMISSION
CIRCLE REVERSE MOTOR (PARKER)
CIRCLE REVERSE MOTOR (CHAR-LYNN)
HYDRAULIC MOTOR
HYDRAULIC OIL SWIVEL BLOCK - 4 WAY
CIRCLE REVERSE SLIP CLUTCH
TANDEM CASE
AWD - GEARBOX ASSEMBLY
AWD - MOTOR (VICKERS-EATON) 
FINAL DRIVE ASSEMBLY
ARTICULATION JOINT
40 MAINTENANCE STANDARD 
FINAL DRIVE
NO SPIN DIFFERENTIAL CASE ASSEMBLY
NO SPIN DIFFERENTIAL ASSEMBLY
FINAL DRIVE AND TANDEMS 
TANDEM DRIVE
BRAKE VALVE 
STEERING CYLINDER 
LEANING WHEEL CYLINDER 
MOLDBOARD TILT CYLINDER 
MOLDBOARD SIDE SHIFT. 
DRAWBAR SIDE SHIFT CYLINDER. 
DRAWBAR LIFT CYLINDER 
SCARIFIER CYLINDER. 
ARTICULATION CYLINDER 
RIPPER CYLINDER 
LUG NUTS. 
FRONT AXLE 
POWER TILT MOLDBOARD CARRIER 
FRAME. 
DRAWBAR AND CIRCLE 
DRAWBAR LIFT.
ENGINE AND TRANSMISSION 
DRIVE LINE 
ALTERNATOR 
CAB MOUNT. 
90 OTHER 
ORIGINAL ELECTRICAL DIAGRAM
REVISED ELECTRICAL DIAGRAM
800 TRANSMISSION WITH AWD DIAGRAM
HYDRAULIC CIRCUIT DIAGRAM