- Excavator:
- 336E (S/N: RZA1-UP)
- Work Tool:
- HYDRAULIC KIT (S/N: HKB1-UP)
Introduction
This Special Instruction covers the installation procedure for 377-8218 Valve Wiring Gp Revision Level 01 on the models and applications listed above.
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 Caterpillar dealer.
Required Parts
| 377-8218 Valve Wiring Gp Revision Level 02 |
|||
|---|---|---|---|
| Item | Qty | Part No. | Description |
| (1) | 12 | 3S-2093 | Cable Strap |
| (2) | 10 | 7K-1181 | Cable Strap |
| (3) | 1 | 388-6705 | Chassis Harness As |
 | |
| Illustration 2 | g03428340 |
377-8218 Valve Wiring Gp | |
Installation Procedure
- Connect harness (3) to the cab harness.
 | |
| Illustration 3 | g03428343 |
(A) Connect to harness as (12 poles) position C: "K833 PK", "K834 PU", "K858 YL", "K862 GY", "K869 BU" (B) For Attachment Medium Circuit: "K858 YL", "K862 GY", "K869 BU" (2) 7K-1181 Cable Strap (3) 388-6705 Chassis Harness As | |
- Route the harness to the variable relief solenoids of the front lines group.
 | |
| Illustration 4 | g03428344 |
(C) Connect to Variable Relief Solenoid 1: "K833 PK", "K869 BU" (D) Connect to Variable Relief Solenoid 2: "K834 PU", "K869 BU" (1) 3S-2093 Cable Strap (2) 7K-1181 Cable Strap | |
- Attach the harness to the "Variable Relief Solenoid 1".
- Attach the harness to the "Variable Relief Solenoid 2".
 | |
| Illustration 5 | g03428346 |
(D) Connect to Variable Relief Solenoid 2: "K834 PU", "K869 BU" (1) 3S-2093 Cable Strap | |
- Secure harness (3) with cable straps (1), and (2) .