Installation of the <NOBR>451-8356</NOBR> Medium Pressure Wiring on Certain Hydraulic Excavators {1408} Caterpillar

Introduction

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

Safety Section

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 or to the controls before you service the equipment . These warning tags (Special Instruction, SEHS7332) are available from your AVSpare dealer.

Required Parts

Illustration 2	g06029333
451-8356 Medium Pressure Wiring

Installation Procedure

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Illustration 3	g06029341
(GK-C1) Connect to Harness (12 pole) position C: "K858 YL", "K862 GY", "K869 BU" (1) 7K-1181 Cable Strap (2) 470-7019 Chassis Harness As

1. Connect harness (2) to the cab at position "C".
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   Illustration 4	g06029348
   (GK-C2) Connect to STEM 3 Retract Solenoid: "K862 GY", "K869 BU" (GK-C3) Connect to STEM 3 Extend Solenoid: "K858 YL", "K869 BU" (1) 7K-1181 Cable Strap (2) 470-7019 Chassis Harness As

2. Connect (GK-C2) to the Retract Solenoid.

3. Connect (GK-C3) to the Extend Solenoid.