2001–2007 Komatsu WB97R-2 Backhoe Loader Shop Manual

This manual covers the Komatsu WB97R-2 series backhoe loader, detailing service procedures, diagnostic flowcharts, and component breakdowns. Ref: WEBM001000

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Document Details

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Document Number / Seller:
30461 / Donna Gomez
File Size:
21.92 MB
File Type:
PDF
Language:
English
Pages:
434
Printable:
Yes
Category:
Backhoe Loader
Last updated / verified
Dec 18, 2025

Models Covered & Key Technical Specifications

Komatsu WB97R-2 Backhoe Loader Shop Manual (2001–2007) Hydraulic-Guide

Komatsu WB97R-2 (2001 – 2007) | Komatsu WB97R-2A | Komatsu WB97R-2B. Established Operational Data: 434 Pages defines the manual's comprehensive coverage. Baseline Tightening Data: 78.4–98 Nm signifies the mounting torque for the starting motor. Operational Consumption Data: 21.9239 MB indicates the digital file size for easy access. Specific Electrical Load: 70A is the rating for the fuel shut-off motor fuse. Baseline Power Rating: 80A is the rating for the blower motor fuse. Integral Tightening Data: 35.2 Nm is the torque for pump-locking nuts.

Professional Workshop Service Manual & Technical Specifications

Industrial Installation Calibration Manual: Backhoe Loader Complete Guide: Komatsu WB97R-2 Backhoe Loader Shop Manual (2001–2007) Hydraulic-Guide

Technical-Scope: 434 Pages // Documentation-Type: Shop Manual / Service Manual // Operational-Scope: Complete Guide. Repair procedures are structured around the following key systems and components: System operation descriptions cover the powertrain, transmission, front and rear axles, and steering systems. The documentation addresses hydraulic circuits, pumps, and control valves, providing detailed schematics and operational principles. Assembly instructions are detailed for components like the boom, arm, and bucket cylinders, and outriggers. Hydraulic schematics are included for the entire system, detailing the flow and control mechanisms. Steering component information is provided for the hydraulic steering unit and relevant control valves. The manual documents torque specifications for component reassembly to ensure proper joint sealing.

Component Specifications

The manual contains detailed specifications for various components, including:

  • Engine: Standard and permissible values for idle speed, exhaust gas color, valve clearance, and compression pressure.
  • Machine: Travel lever and pedal specifications, including accelerator pedal, front bucket tilt, and arm control.
  • Hydraulic Systems: Pressure settings for control valves, including 3-spool, 6-spool, 7-spool, and 8-spool configurations, as well as specific settings for the steering control system.

    Key Systems Covered

    This manual provides comprehensive documentation for the following hydraulic and mechanical systems:

  • Powertrain: Details on transmission, convertor, and final drive assemblies.
  • Hydraulic System: Includes diagrams and explanations for pumps, cylinders (boom, arm, bucket, outriggers), and control valves.
  • Braking System: Covers brake pump testing, group testing, and related procedures.
  • Air-Conditioning Unit: Details on compressor removal/installation and system function.

    Table of Contents Summary

  • Testing and Adjustments: Includes special tools, measuring engine speed, and adjusting valve clearance.
  • Removal and Installation: Detailed procedures for removing and installing major components like the starting motor, alternator, and injection pump.
  • Hydraulic Circuit Diagrams: Comprehensive schematics illustrating the flow and control of hydraulic systems.
  • Troubleshooting: Analysis of causes for hydraulic drift in front equipment, backhoe, and other actuators.
  • Electrical Diagrams: Schematics for various electrical systems, including engine control and lighting circuits.

    Key Procedures and Information

    Sequentially establishing proper maintenance and repair is crucial for optimal performance. This manual provides clear instructions for the removal and installation of key components such as the starting motor, alternator, and injection pump. It also details testing and adjustments for critical systems, including hydraulic circuit pressure checks and engine speed control under load. The content covers analysis of causes for hydraulic drift and provides detailed electrical diagrams for troubleshooting. It covers procedures for removing and installing the radiator-oil cooler unit, turbocharger, cylinder head, and front counterweight to ensure proper machine maintenance.

FAQ

What **calibrated** values are provided for the steering unit's system architecture? keyboard_arrow_down

175±7 bar is the normal pressure specified for the steering unit's system architecture.

Assess the **applicable** tool requirements for testing the brake system. keyboard_arrow_down

A union kit is required for brake system testing, alongside pressure gauges (E2) and adapters.

What **exact** electrical values are detailed for the load sensing signal? keyboard_arrow_down

400 bar is the specified pressure for the load sensing signal's control valve and pump.

Confirm the **specific** calibration settings for the hydraulic oil temperature. keyboard_arrow_down

45–55°C is the specific hydraulic oil temperature range noted for various tests, including air-conditioning unit function.

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Reviews (3)

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The layout is user-friendly, and the maintenance schedules are clear. I had a minor issue with my download, but the support team responded promptly and resolved it quickly. Great service!
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Rated 5 out of 5 stars
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This manual is incredibly detailed and easy to follow. The download process was smooth, and I received my link quickly. Highly recommend for anyone working on a Komatsu!