- Wheel Loader:
- 994F (S/N: 442150-187)
Introduction
This Special Instruction outlines the basic procedures that are required for the rerouting of the front harness on the 994F Wheel Loaders. This procedure will increase the service life of the harness.
Do not perform any procedure in this publication or order any parts until you understand the information that is contained in this publication.
This Special Instruction is available through the normal literature distribution system.
This publication can be found on the Caterpillar Service Information System (SIS).
Required Parts
Quantity     | Part Number     |
1     | 8M-2770 Clip     |
7     | 8T-4137 Bolt     |
7     | 8T-4121 Hard Washer     |
2     | 4K-8864 Clip     |
1     | 283-0138 Bracket Assembly     |
As Required     | 9X-6772 Cable Strap     |
4     | 5P-9299 Clip     |
4     | 130-5300 Clip     |
Machine Preparation
- Move the machine to a surface that is smooth, hard, and level. Move the machine to an area that is away from operating machines and away from personnel.
- Install blocks on the front and the rear of the front tires.
- Install the steering frame lock.
Installation Instructions
Illustration 1 | g01270138 |
Old routing path for the harness near the left hand side of the front frame |
- Reference Illustration 1 and Illustration 2 for the old and new routing of the harness.
Illustration 2 | g01270151 |
Rerouting of the old harness to the new locations |
- Install the 4K-8864 Clips and reroute the harness. Reference Illustrations 2 and 3 for locations.
Illustration 3 | g01270164 |
(2) 8M-2770 Clip (3) 8T-4137 Bolt (4) 8T-4121 Hard Washer (5) 4K-8864 Clip |
- Use 9X-6772 Cable Straps (6) in order to secure the harness.
Illustration 4 | g01270289 |
Old mounting locations near the top right hand side of the front frame (near the case drain filters) |
Illustration 5 | g01270301 |
Rework instructions if 283-0138 Bracket Assembly is used with 263-6180 Switch Harness Assembly and 262-8516 Harness Assembly |
Illustration 6 | g01270323 |
Rework instructions if the 283-0138 Bracket Assembly is used with 263-6180 Switch Harness Assembly and 262-8516 Harness Assembly |
Illustration 7 | g01270327 |
New mounting locations for the harness on the underside of 283-0138 Bracket Assembly (3) 8T-4137 Bolt (4) 8T-4121 Hard Washer (6) 9X-6772 Cable Straps (Use as required) (7) 9R-2613 Weld Boss |
- Install 5P-9299 Clips and 130-5300 Clips as shown in Illustration 8.
Illustration 8 | g01270340 |
Mounting for the clips on the top of 283-0138 Bracket Assembly on the filter (3) 8T-4137 Bolt (4) 8T-4121 Hard Washer (8) 5P-9299 Clip (9) 130-5300 Clip |
- Use 9X-6772 Cable Straps (6) in order to secure the harness.
Illustration 9 | g01270913 |
Illustration 10 | g01270337 |
New harness routing |
Illustration 11 | g01270937 |
Illustration 12 | g01270940 |
View of harness on the underside of the bracket |
Illustration 13 | g01270970 |
View of harness on the underside of the bracket |