Installation of the 467-6748 Chassis Wiring Gp On Certain Hydraulic Excavators {6129} Caterpillar

Introduction

Do not perform any procedure in this Special Instruction until you have read the information and you understand the information.

Safety Section

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Do not operate or work on this machine unless you have read and understand the instructions and warnings in the Operation and Maintenance Manuals. Failure to follow the instructions or heed the warnings could result in injury or death. Contact your Cat dealer for replacement manuals. Proper care is your responsibility.

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Personal injury or death can result from sudden work tool movement. Sudden movement of the work tool can cause injury to persons near the work tool. To prevent injury or death, make sure that the area around the work tool is clear of personnel and obstructions before operating the work tool.

Illustration 1	g00104545

Prevent the machine from movement. Park the machine on a level surface.

Attach a "Do Not Operate" warning tag or a similar warning tag to the start switch before you service the equipment . These warning tags (Special Instruction, SEHS7332) are available from your AVSpare dealer.

Required Parts

Illustration 2	g06017934
467-6748 Chassis Wiring Gp

Installation Procedure

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Illustration 3	g06017950
(AL-C1) Connect to Harness (6 poles): "E472 GN", "E404 B:U", "H833 PU", "M968 BU", "A464 GY" (EE-C3) Connect to Bucket IN Pressure Switch:: "A464 GY", "235 BK" (1) 3S-2093 Cable Strap (2) 7K-1181 Cable Strap (4) 467-7459 Chassis Harness As (5) 467-7460 Chassis Harness As

1. Connect harness (4) at "AL-C1" to the main machine harness behind the cab.

2. Route harness (4) along the frame.

3. Connect the ground wire to the frame.
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   Illustration 4	g06018106
   (AL-C1) Connect to Harness (6 poles): "E472 GN", "E404 B:U", "H833 PU", "M968 BU", "A464 GY" (AL-C2) Connect to Harness (4 poles): "A464 GY", "E472 GN", "E404 BU"U, "235BK" (EE-C1) Connect to Harness (4 Poles): "A464 GY", "E472 GN", "E404 BU", "235 BK" (EE-C3) Connect to Bucket IN Pressure Switch:: "A464 GY", "235 BK" (4) 467-7459 Chassis Harness As (5) 467-7460 Chassis Harness As

4. Connect harness (4) to harness (5).
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   Illustration 5	g06018004
   (EE-C2) Connect to Bucket Cylinder Head Pressure Sensor: "E472 GN", "235 BK", "E404 BU" (EE-C3) Connect to Bucket IN Pressure Switch:: "A464 GY", "235 BK" (2) 7K-1181 Cable Strap (5) 467-7460 Chassis Harness As (6) 204-1611 Strap

5. Connect harness (5) at "EE-C3" to the "Bucket IN Pressure Switch" on the main control valve.

6. Connect harness (5) at "EE-C2" to the "Bucket Cylinder Head Pressure Sensor" on the supply tube.

7. Route harness (4) along the frame to the coupler control valves.
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   Illustration 6	g06018096
   (AL-C3) Connect to Quick Coupler Hold to Run Solenoid: "M968 BU", "235 BK" (AL-C4) Connect to Quick Coupler Unlock Solenoid: "H833 PU", "235 BK" (EE-C2) Connect to Bucket Cylinder Head Pressure Sensor: "E472 GN", "235 BK", "E404 BU" (4) 467-7459 Chassis Harness As

8. Connect "AL-C3" of harness (4) to the Quick Coupler Hold to Run Solenoid.

9. Connect "AL-C4" of harness (4) to the Quick Coupler Unlock Solenoid.