Bobcat 641 642 643 Service Manual 6566135 (10–86) – PDF DOWNLOAD
DESCRIPTION:
Bobcat 641 642 643 Service Manual 6566135 (10–86) – PDF DOWNLOAD
SAFETY IS YOUR RESPONSIBILITY :
We care about your safety.
The Bobcat loader is designed to give maximum operator safety; but no machine design can prevent operator error or
carelessness.
BEFORE YOU WORK ON THE BOBCAT LOADER
This SERVICE MANUAL was written to give the serviceman (mechanic) instructions
for safe adjustments and/or repairs of the Bobcat loader.
Read the complete sequence in the paragraph (Example: 4–3.1 Axle and Bearing
Removal Steps 1 thru 14) so you know the complete removal procedure before the
work is actually started.
Always use jackstands and lift arm stops so you have a safe working area around the
Bobcat loader.
FORWARD
This Service Manual gives the instructions for correct servicing, adjustment and overhauling of
the Bobcat loader Hydraulic/Hydrostatic System, Drive System, Main Frame, Electrical System
and Engine Service.
Make reference to the Operator’s Manual for operating instructions (Starting, Daily Checks,
Loader Operation, etc.).
A general inspection of the following items must be made when the Bobcat loader has had
service or repair.
1. Check hydraulic/hydrostatic fluid level, engine oil level and fuel supply.
2. Inspect for any sign of fuel, oil or hydraulic fluid leaks.
3. Lubricate the loader.
4. Check the condition of the battery(ies) and the cables.
5. Inspect the air cleaner system for damage or leaks.
6. Check the warning lights to see if they light.
7. Check tires for wear and pressure.
8. Check the Bob–Tach for wear and see if the wedges are damaged.
9. Check the safety items for condition (Operator Guard, Seat Belt, Seat Bar, Safety Signs
(Decals), Safety Treads, etc.).
10. Make an inspection for loose or broken parts or connections.
11. Operate the loader, checking all functions.
TABLE OF CONTENTS:
Bobcat 641 642 643 Service Manual 6566135 (10–86) – PDF DOWNLOAD
ALPHABETICAL INDEX9
DRIVE SYSTEM4
ELECTRICAL SYSTEM6
ENGINE SERVICE7
HYDRAULIC SYSTEM 2
HYDROSTATIC SYSTEM3
MAIN FRAME5
PREVENTIVE MAINTENANCE 1
TECHNICAL DATA8
IMAGES PREVIEW OF THE MANUAL:
VIDEO PREVIEW OF THE MANUAL:
PLEASE NOTE:
- This is the same manual used by the dealers to diagnose and troubleshoot your vehicle
- You will be directed to the download page as soon as the purchase is completed. The whole payment and downloading process will take anywhere between 2-5 minutes
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