Procedure to Replace the Transmission Harness on Certain R1700G Load Haul Dumps{1408} Caterpillar

Load Haul Dump:

R1700G (S/N: SBR591-602)

Introduction

This publication contains information to replace 290-9549 Harness-Transmission with 318-7755 Harness-Transmission . The 318-7755 Harness-Transmission has additional electrical connectors for the primary and secondary steering system flow switches (if equipped).

This supplemental product support literature should be used with the appropriate Service Manual and the appropriate Parts Manual that is available for this standard machine.

Read the entire Special Instruction. Understand the information before you perform any procedures. Understand the information before you order any parts.

ReferenceDisassembly and Assembly, KENR6271, "R1700G Load Haul Dump Machine Systems".

Safety Section

Work safely. Most accidents that involve product operation, maintenance, and repair are caused by failure to observe basic safety rules or precautions. An accident can often be avoided by recognizing potentially hazardous situations before an accident occurs.

A person must be alert to potential hazards. This person should also have the necessary training, skills, and tools in order to perform these functions properly.

Safety precautions and warnings are provided in this instruction and on the product. If these hazard warnings are not heeded, bodily injury or death could occur to you or to other persons. Caterpillar cannot anticipate every possible circumstance that might involve a potential hazard.

Therefore, the warnings in this publication and the warnings that are on the product are not all inclusive. If a tool, a procedure, a work method or operating technique that is not specifically recommended by Caterpillar is used, you must ensure that it is safe for you and for other people to use.

Required Parts

Procedure

1. Move the machine to a hard, level surface, that is away from operating machines and away from personnel.

2. Engage the parking brake. Place wheel blocks in front of the wheels and behind the wheels.

3. Install the steering frame lock. Refer to Disassembly and Assembly, RENR8576, "Steering Frame Lock - Remove and Install".

4. Turn the key start switch and battery disconnect switch to the OFF position.

Show/hide table



Illustration 1	g01806693
View of 291-1215 Wiring Gp-Rear (1) Cab to hitch harness (2) 290-9549 Harness-Transmission (3) Transmission speed sensor (4) Existing clip (5) Existing bolt (6) Existing clip (7) Existing clip (A) A joins to A (B) B joins to B (D) Front view of transmission (E) Front view of transmission hydraulic control

5. Remove and discard 290-9549 Harness-Transmission (2) and items (4) through (7). Retain all other clips and hardware for assembly.

Show/hide table



Illustration 2	g01807773
View of 318-7693 Wiring Gp-Rear (1) Cab to hitch harness (8) 163-5531 Cable Tie (9) 318-7755 Harness-Transmission (3) Transmission speed sensor (10) 116-0118 Clip (11) Six pin splice receptacle (113 OR) (12) 115-3072 Connector Clip Assembly (13) Eight pin connector (14) 130-5300 Clip (15) 9M-8406 Clip (16) 5S-7379 Bolt (17) 6V-8801 Nut (18) 8T-4896 Hard Washer (19) Six pin splice receptacle (E987 WH and 710 GN) (20) 12 pin loop receptacle (21) Earth location (202 BK and G939 PK) (22) 6D-4246 Clip (23) Four pin connector (24) 163-5808 Cable Tie (A) A joins to A (B) B joins to B (D) Front view of transmission (E) Front view of transmission hydraulic control

6. Install 318-7755 Harness-Transmission (9) using the clips and hardware retained from Step 5 and the additional items listed above. Refer to Illustration 2.

7. Install 163-5808 Cable Ties (24) as required.