Installation of the 494-4245 Chassis Wiring Gp On Certain Hydraulic Excavators {1408} Caterpillar


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Installation of the 494-4245 Chassis Wiring Gp On Certain Hydraulic Excavators {1408} [M0066922]
ELECTRICAL AND STARTING SYSTEM
WIRING GP
Installation of the 494-4245 Chassis Wiring Gp On Certain Hydraulic Excavators {1408}
1.1. Introduction
2.1. Safety Section
3.1. Required Parts
4.1. Installation Procedure
Excavator
374F (S/N: AT21-UP; AP41-UP; DNM1-UP)
Hydraulic Control
HYDRAULIC KIT (S/N: HKF1-UP)

Introduction

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

Safety Section

------ WARNING! ------

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.


------ WARNING! ------

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 1g00104545

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

Table 1
Parts List for 494-4245 Chassis Wiring Gp Revision -00 
Item  Qty  Pt. No.  Part Name 
(1)  3S-2093  Cable Strap 
(2)  26  7K-1181  Cable Strap 
(3)  494-4244  Harness As 


Illustration 2g06022234
494-4245 Chassis Wiring Gp

Installation Procedure



    Illustration 3g06022236
    (EG-C2) Connect to Harness As (Coupler Cab) (12 poles) position D: "779 WH"
    (2) 7K-1181 Cable Strap
    (3) 494-4244 Harness As

  1. Connect harness (3) to the cab harness at "Position D".


    Illustration 4g06022241
    (EG-C1) Connect to Quick Coupler Solenoid (upper solenoid): "779 WH", "235 BK"
    (EG-C3) Connect to Quick Coupler Solenoid (lower solenoid): "P976 BR", "235 BK"
    (2) 7K-1181 Cable Strap
    (3) 494-4244 Harness As

  2. Route the harness along the frame with the existing chassis harness.

  3. Connect "EG-C1" to the upper coupler solenoid.

  4. Connect "EG-C3" to the lower coupler solenoid.

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