Product Maintenance Manual

Table of Contents

1. Content Overview
2. Introduction
3. Engine
4. Hydraulics System
5. Frames and Ballasting
6. Tracks and Track Suspension
7. Electrical System
8. Booms, Dippers, and Buckets
9. Dozer Blade and Arm
10. Platform, Cab, Bodywork, and Decals
11. Special Tools Index
12. Electrical Schematic
13. Hydraulic Schematic

Manual Extract: Camshaft Alignment

Step-by-step Guide:

• Support the camshaft using V-blocks placed at both end journals on the surface plate.

• Position a dial indicator with the tip touching the intermediate journal.

• Measure the camshaft’s alignment accurately.

• If the measure exceeds the allowable limit, it is necessary to replace the camshaft.

Technical Specifications

• Camshaft Alignment: Ensure alignment does not exceed the limit of 0.01 mm (0.0004 in).
• Cam Height Measurement:
  • Measure the highest point of the cam using an outside micrometer.
  • If the cam height is below the allowable limit, replace the camshaft.
  • Factory Specification: 26.88 mm (1.058 in)
  • Allowable Limit: 26.83 mm (1.056 in)