Komatsu WB91R-2 / WB93R-2 Backhoe Loader Service Manual

Consolidated Quality Safety Manual: Komatsu WB91R-2, WB93R-2 Backhoe Loader - Comprehensive Repair Guide Data-Compendium

Asset-ID: Komatsu WB91R-2, WB93R-2 // Technical-Domain: Backhoe Loader / Hydraulic System Logic // Asset-ID: Service Manual

Table of Contents Summary:

• Testing and Adjusting Fuel Injection Timing
• Checking and Tightening the Compressor Fan - Belt
• Adjusting the Sensor for Return to Dig Device
• Testing and Adjusting of Load Sensing Signal (LS Valve)
• Troubleshooting

Introduction

This shop manual has been prepared as an aid to improve the quality of repairs by giving the operator an accurate understanding of the product and by showing him the correct way to perform repairs and make judgements. Make sure you understand the contents of this manual and use it to full effect at every opportunity. This shop manual mainly contains the necessary technical information for operations performed in a service workshop.

Structure and Function

This section explains the structure and function of each component. It serves not only to give an understanding of the structure, but also serves as reference material for troubleshooting.

Testing and Adjusting

This sections explains checks to be made before and after performing repairs, as well as adjustments to be made at completion of the checks and repairs. Troubleshooting charts correlating «Problems» to «Causes» are also included in this section.

Disassembly and Assembly

This section explains the order to be followed when removing, installing, disassembling or assembling each component, as well as precautions to be taken for these operations.

Maintenance Standard

This section gives the judgement standards when inspecting disassembled parts.

This manual documents torque specifications for components to ensure proper service interval reliability.