Download Instant Access For John Deere 990 Excavator Technical Manual TM1230 

John Deere 990 Excavator Technical Manual TM1230 is a useful reference for servicing, maintaining, inspecting, and troubleshooting the John Deere 990 excavator. This technical manual provides detailed technical information, maintenance procedures, repair guidance, system specifications, component details, and troubleshooting instructions to support technicians and equipment owners. It helps with accurate diagnosis, routine servicing, and efficient repairs of excavator systems. An ideal reference for John Deere 990 excavator maintenance, service, repair, and technical support.

PUBLICATION NO. : TM1230         
DATE : MAY 87
FILE SIZE : 133.95 MB
TOTAL PAGE : 1572
LANGUAGE : ENGLISH

MODEL COVERED:-
990 EXCAVATOR

CONTENT INCLUDED:-
INTRODUCTION
GENERAL INFORMATION
GENERAL SPECIFICATIONS
CAP SCREW TORQUE VALUES
LUBRICATION
TRACKS
TRACK SYSTEMS
AXLES AND SUSPENSION SYSTEMS
AXLE SHAFT, BEARINGS, AND REDUCTION GEARS
HYDRAULIC SYSTEM
ENGINE
REMOVAL AND INSTALLATION
CRANKSHAFT AND MAIN BEARINGS
CAMSHAFT AND VALVE ACTUATING MEANS
CONNECTING RODS AND PISTONS
CYLINDER BLOCK
OILING SYSTEM
VENTILATING SYSTEM
CYLINDER HEAD AND VALVES
EXHAUST MANIFOLD
FUEL INJECTION SYSTEM
INTAKE MANIFOLD
TURBOCHARGER
WATER PUMP
THERMOSTATS, HOUSINGS AND WATER PIPING
OIL COOLER
STARTING MOTOR AND FASTENINGS
FAN DRIVE
FLYWHEEL, HOUSING, AND FASTENINGS
ENGINE AUXILIARY SYSTEMS
COLD WEATHER STARTING AIDS
COOLING SYSTEMS
SPEED CONTROLS
INTAKE SYSTEM
EXTERNAL FUEL SUPPLY SYSTEM
ELECTRICAL SYSTEMS
BATTERIES, SUPPORT AND CABLES
ALTERNATOR, REGULATOR AND CHARGING SYSTEM WIRING
WIRING HARNESS AND SWITCHES
INSTRUMENTS AND INDICATORS
FRAME CHASSIS OR SUPPORTING STRUCTURE
REMOVAL AND INSTALLATION
FRAME INSTALLATION
CHASSIS WEIGHTS
OPERATOR'S STATION
REMOVAL AND INSTALLATION
OPERATOR ENCLOSURE
SEAT
HEATING AND AIR CONDITIONING
SHEET METAL AND STYLING
FENDERS
ENGINE REPAIR
BUCKETS, TEETH, SHANKS AND SIDECUTTERS
FRAMES
HYDRAULIC SYSTEM
SWING, ROTATION OR PIVOTING SYSTEM
BRAKES
MECHANICAL DRIVE ELEMENTS
HYDRAULIC SYSTEM
SYSTEM TESTING
GENERAL INFORMATION
ENGINE
ELECTRICAL SYSTEM
HYDRAULIC SYSTEM
MISCELLANEOUS COMPONENTS
HEATING AND AIR CONDITIONER
SPECIAL TOOLS   
      
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