John Deere 990 Crawler Excavators Technical Manual TM1230

John Deere 990 Crawler Excavators Technical Manual TM1230

John Deere 990 Crawler Excavators Technical Manual TM1230

The John Deere 990 Crawler Excavators Technical Manual TM1230 provides technical information for the 990 crawler excavator, covering general specifications, torque values, lubrication, tracks, axles, suspension systems, and hydraulics. It includes extensive engine information, including crankshaft and main bearings, camshaft and valve components, connecting rods and pistons, cylinder block, lubrication, fuel injection, cooling, and starting systems. Additional sections cover engine auxiliary systems, electrical systems, frame and chassis components, the operator station, sheet metal, excavator systems, and swing mechanisms. The manual also includes system testing procedures for the engine, electrical and hydraulic systems, miscellaneous components, and heating and air conditioning, along with a comprehensive list of special tools and an index.

Specifications: SM

  • Brand: John Deere Excavators
  • Type of Document: Technical Manual
  • Type of Equipment: Crawler Excavator
  • Model: 990
  • Manual Number: TM1230
  • Language: English
  • Format: PDF

John Deere 990 Crawler Excavators Technical Manual TM1230

Details:

Table of Contents

Content

Introduction

General Information

  • Genreal Specififcations
  • Cap Screwstorque Values
  • Lubrication

Tracks

  • Track Systems

Axles and Suspension Systems

  • Axle Shaft, Bearings, and Reduction Gears
  • Hydraulic System

Engine

  • Removal and Instalation
  • 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

  • CS2428
  • D-1006AA
  • D-01031AA
  • D-01043AA
  • D-01045AA
  • D-01047AA
  • D-01048AA
  • D-01061AA
  • D-01062AA or D-01073AA
  • D-01063AA
  • D-01065AA
  • D-01080AA
  • D-01084AA
  • D-01087AA
  • D-01088AA
  • D-01109AA (Y-900)
  • D-01110AA
  • D-01168AA
  • D-01182AA
  • JT01600
  • D-01186AA
  • D-01200AA
  • D-01209AA
  • D-01299AA
  • D-05012ST
  • D-05022ST
  • D-05058ST
  • D-05104ST
  • D-05155ST
  • D-05209ST
  • D-05223ST
  • D-05224ST
  • D-05227ST
  • D-05232ST
  • D-05267ST
  • D-05271ST
  • D-05273ST
  • D-14546-BA
  • D-15028NU
  • D-15037NU
  • D-15038NU
  • D-15041NU
  • D-15037NU
  • D-17008BR or D-17011BR
  • D-17015BR
  • D-17031BR
  • D-18018KD
  • D-20002WI
  • D-27001TX
  • D-27002TX
  • D-27501BM
  • JD-244-1 and JD-244-2
  • JD-290
  • JD-309
  • JD-342
  • JD-345
  • JD-357
  • JDE-7
  • JDE-55
  • JDE-79
  • JDE-81-4
  • JDE-90
  • JDE-92
  • JDE-105
  • JDE-123A
  • JDST20
  • JDE-124
  • JDE-125
  • JDE-126
  • JDE-127
  • JDE-129-1
  • JDE-130-2
  • JDE-130-3
  • JDE-131
  • JDE-132
  • JDE-133
  • JDE-135
  • JDE-136
  • JDE-137-2
  • JDE-137-1
  • JDE-139
  • JDE-147
  • JDE-148
  • JDE-41296
  • JDF-23
  • JDF-24
  • JDF-29
  • JDG-24
  • JDG-31
  • JDG-69
  • JDG-92
  • JDG-105
  • JDG-126
  • JDG-127
  • JDG-128-1
  • JDG-146
  • JDG-180
  • JDG-181
  • JDG-184
  • JDG-185
  • JDG-197
  • JDG-244
  • JDG-248
  • JDG-259 (A), JDG-260 (C), AND JDG-261 (B)
  • JDG-262
  • JDG-263
  • JDG-264
  • JDG-265
  • JDG-270
  • JDG-405
  • JDST-28
  • JT-05425
  • JT25009
  • JT25011
  • JT25014
  • JT25018
  • JT25033

Index

Excavator Service Repair Manual for Volvo, Doosan, Case, Komatsu, Kobelco, Hitachi, Hyundai, New holland, Terex, Bobcat, Caterpillar, Takeuchi, Kubota, Jcb,Complete Step-By-Step Instructions, Diagrams, Illustrations, Wiring Schematics, And Specifications To Completely Repair Your Vehicle With Ease!