Komatsu 830, 850, 870 Motor Grader Index:

SAFETY PRECAUTIONS
INTRODUCTION
GENERAL
P.I.N. NUMBER LOCATIONS
MACHINE SHIPPING
MACHINE TRANSPORT
GENERAL
SHIPPING (LONG DISTANCE)
TRUCK .
RAILROAD FLATCAR
DRIVING
MOVING A DISABLED MACHINE
METHODS OF TOWING
Method One (2-8); Method Two (2-9); Method Three (2-9)
MACHINE STORAGE
…2.
PREPARING FOR STORAGE
2.
SERVICING MACHINE DURING STORAGE .
2.
ONE-MONTH REPETITIVE SERVICE PERIOD .
2.
SIX-MONTH REPETITIVE SERVICE PERIOD
2.
PREPARING FOR OPERATION
….2-
ROLLOVER PROTECTIVE STRUCTURE
2.
THEFT DETERRENT PRACTICES
2.
ACTION TO DISCOURAGE THEFT AND VANDALISM
2.
ACTIONS TO AID IN RECOVERY OF STOLEN MACHINES
2.
OPERATING
PREPARATION FOR USE
UNIVERSAL SYMBOLS FOR INSTRUMENTS AND CONTROLS
OPERATION UNDER NORMAL CONDITIONS
OPERATIONAL CONTROLS AND INSTRUMENTATION .. . .
OPERATOR’S CAB AND CONTROLS
CONTROL VALVE LEVERS
R.H. control Lever Bank (Standard Machine) (3-6)
L.H. Control Lever Bank (Standard Machine)
FOOT CONTROLS
Decelerator Pedal (3-7); Foot Brake pedal (3-7); Accelerator pedal (3-7);
Inching Pedal (3-7)

OPERATION OF AUXILIARY/OPTIONAL ACCESSORIES
HYDRAULIC LOCK/UNLOCK DIFFERENTIAL
AIR CONDITIONING
ALL WHEEL DRIVE (AWD)
APPLICATION AND GENERAL DESCRIPTION
3
USE OF ALL WHEEL DRIVE (AWD)
…3
OPERATIONAL CHECKS
BATTERY CHARGING RECEPTACLE
COLD WEATHER STARTING AID
PRECAUTIONS
ETHER STARTING AID
STARTING PROCEDURES
PREVENTIVE MAINTENANCE
Changing the Fluid Container (3-40); Inspection and Cleaning (3-41)
…3
….3
ENGINE BLOCK HEATER
FIRE EXTINGUISHER
TO OPERATE ,
MAINTENANCE
RECHARGE
RECORDS
WEIGHT
HYDRAULIC ACCUMULATOR (DRAWBAR AND CIRCLE OPTION)
ACCUMULATOR P/N 1279 537 HI
MASTER SWITCH
FRONT MOUNTED SCARIFIER AND REAR MOUNTED RIPPER
FRONT MOUNTED SCARIFIER SETUP .
REAR MOUNTED RIPPER SETUP
3
Rear Mounted Ripper With Ripper Shanks (3-46); Rear Mounted Ripper
with Scarifier Shanks (3-47)
RIPPER TOOTH REPLACEMENT
SCARIFIER TOOTH REPLACEMENT
REAR MOUNTED RIPPER EQUIPPED WITH A HITCH PIN
APPLICATION
LEANING WHEELS .
USE OF LEANING WHEELS IN STEERING
SURFACE WORK
ARTICULATION
USE OF ARTICULATION IN STEERING
BANKSLOPING
SADDLE PIN INDICATORS .
R.H. BIAS BLADE SUSPENSION
Recommendation for 450 Extended Reach
Recommendation for 900 Bankslope Right (3-55)
R.H. & L.H. 90 DEGREE BLADE SUSPENSION
Recommendation for 450 Extended Reach
Right
Right
3
…3
3
(3-54);
(3-55);
Recommendation for 900 Bankslope Right (3-56); Recommendation for
450 Extended Reach Left (3-56); Recommendation for 900 Bankslope
Left (3-57)
CIRCLE REVERSE
BLADE TILT
DITCHING
SNOW REMOVAL .
3
…3MAINTENANCE
LUBRICATION INSTRUCTIONS
LUBRICATION
PERIODIC SERVICE CHART
PERIODIC SERVICE TABLE
PERIODIC SERVICE CHART AND TABLE CODES
EACH SHIFT/IO HOUR SERVICE
20 HOUR SERVICE
WEEKLY/50 HOUR SERVICE
100 HOUR SERVICE
MONTHLY/250 HOUR SERVICE
3 MONTHS/500 HOUR SERVICE
6 MONTHSJIOOO HOUR SERVICE
YEARLY/2000 HOUR SERVICE
NOT SPECIFIED/AS REQUIRED SERVICE
OIL CHANGE RECOMMENDATIONS
BALL AND SOCKET ADJUSTMENT
CARE OF HYDRAULIC SYSTEM
EACH SHIFT/IO HOUR SERVICE
50 HOUR SERVICE
FILTER CHANGE SERVICE
6 MONTHS/IOOO HOUR SERVICE
YEARLY/2000 HOUR SERVICE
HYDRAULIC OIL TANK SERVICE
HYDRAULIC SCHEMATIC .
COOLING SYSTEMS
ENGINE COOLING SYSTEM
EACH SHIFT/IO HOUR SERVICE
Check Coolant Level (4-53); Engine Fan (4-53)
MONTHLY/250 HOUR SERVICE
3 MONTHS/500 HOUR SERVICE
YEARLY/2000 HOUR SERVICE .
To Drain Cooling system (4-56); To Flush Cooling system (4-56); To Fill
Cooling System (4-57); Draining Cooling System Location Photos (4-57)
TORQUE CONVERTER OIL COOLER
DRIVE BELT TENSION
KDC 614T
CHECKING TENSION
ADJUSTING
REPLACEMENT
KDC 610T
CHECKING TENSION
ADJUSTING
REPLACEMENT
ENGINE AIR INTAKE SYSTEM
AIR CLEANER ASSEMBLY (KDC 610T & 614T DUAL ELEMENT)
TO SERVICE AIR CLEANER
AIR FILTER ELEMENT CLEANING
CLEANING WITH COMPRESSED AIR
CLEANING WITH WATER
INSPECTING THE CLEANED FILTER ELEMENTENGINE FUEL SYSTEM
FUEL TANK
EACH SHIFT/IO HOUR SERVICE
3 MONTHS,’500 HOUR SERVICE
FUEL FILTERS
FUEL TANK FILTER SCREEN SERVICE
VENTING AND PRIMING ENGINE
DIESEL FUEL SPECIFICATIONS
ASTM CLASSIFICATION OF DIESEL FUEL OILS
ENGINE LUBRICATING OIL SYSTEM
CHECKING OIL LEVEL
3 MONTHS,’250 HOUR SERVICE
DRAINING CRANKCASE OIL
CHANGING LUBRICATING OIL FILTER
ADDING OIL TO CRANKCASE
LUBRICATING OIL SPECIFICATIONS
KDC DIESEL ENGINE
Oil Performance Recommendations (4-73); Break-ln Oils (4-73);
Viscosity Recommendations (4-74); Arctic Operation (4-74)
ENGINE CRANKCASE VENTILATION
KDC 610T & 614T DIESEL ENGINES
KDC 610T Diesel Engine (4-75); KDC 610T Diesel Engine (4-75)
ELECTRICAL SYSTEM
ELECTRICAL DIAGRAMS
FRONT WHEEL BEARINGS (NON-ALL WHEEL DRIVE AXLE)
KDC TRANSMISSION CHECKS
EACH SHIFT/IO HOUR SERVICE
TRANSMISSION OIL LEVEL CHECK
20 HOUR SERVICE
TRANSMISSION AND TORQUE CONVERTER FILTER
250 HOUR SERVICE
6 MONTHS/IOOO HOUR SERVICE
INTERNAL WET BRAKE INSPECTION
PARKING,’EMERGENCY BRAKE ADJUSTMENT
TIRES
DIRECTION OF TIRE TREADS .
TANDEM DRIVE TIRES
NON-ALL WHEEL DRIVE FRONT AXLE
ALL WHEEL DRIVE (AWD) FRONT AXLE
RIM CENTERING
TIRE INFLATION
TIRE MATCHING
GENERAL DESCRIPTION .
MOLDBOARD SUSPENSION IDENTIFICATION
Oil870 SPECIFICATIONS
ENGINE
TRANSMISSION & TORQUE CONVERTER
TRAVEL SPEEDS (6 FORWARD / 3 REVERSE) w/KDC TRANSMISSION
WITH 614T (With double reduction final drive)
CONTROLS
MOLDBOARD .
BLADE RANGE (Optional 900 right & left bank slope)
CIRCLE
DRAWBAR
FRAME
OPERATOR’S COMPARTMENT
AXLE, FRONT
STEERING
AXLE, REAR
TANDEM DRIVE
WHEELS, FRONT AND REAR
TIRE PRESSURES
BRAKES .
DRIVE FRONT (Optional)
LIQUID CAPACITIES
OPERATING WEIGHTS (Approximate)
OVERALL DIMENSIONS
TORQUE VALUES FOR STANDARD ENGLISH FASTENERS .
BOLT IDENTIFICATION CHART
TYPE 1, 5 AND 8 NON-PHOSPHATE COATED HARDWARE
TYPE 8 PHOSPHATE COATED HARDWARE
TORQUE VALUES FOR STANDARD METRIC FASTENERS
TORQUE VALUES FOR HOSE CLAMPS .
TORQUE VALUES FOR SPLIT FLANGE CONNECTIONS
TORQUE VALUES FOR HYDRAULIC TUBES AND FITTINGS
SPECIFIC BOLT TORQUES
DECALS
ELECTRICAL WIRING DIAGRAMS
NDEX