Timberjack 608B Carriers Service Repair Manual (987327 and Up)

This Workshop Manual provides technical information, component specifications, and procedures for troubleshooting, removal, disassembly, and reassembly of major components. Components like the engine, felling or harvesting heads, and control computer are covered in separate manuals from their manufacturers. For complete specifications and servicing, these additional manuals should be obtained.

The Workshop Manual identifies common malfunctions, test procedures, and steps for adjustments or repairs. While not all failure scenarios can be anticipated, the manual explains many complex components’ functions and operations to help predict other causes of malfunctions.

Troubleshooting Steps:

1. Understand all machine systems.
2. Ask the operator about symptoms and their occurrence.
3. Operate the machine if possible.
4. List all possible causes.
5. Inspect for obvious causes.
6. Check and eliminate simple issues like oil levels and filters.
7. Perform diagnostic tests like pressure, leakage, and slippage testing to identify the cause.