Installation Procedure for the <NOBR>416-8400</NOBR> Chassis Wiring Gp On Certain Hydraulic Excavators {1408, 5051} 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	g06036323
416-8400 Chassis Wiring Gp

Installation Procedure

Show/hide table

Illustration 3	g06036337
(GE-C1) Connect to harness (12 poles) Position C: "K856 PU", "K860 BU", "K857 WH", "K861 GN", "K833 PK", "K834 PU", "K858 YL", "K862 GY", "K869 BU", "J850 WH" (GE-C2) Connect to Harness (12 poles) Position E: "K762 PU", "M813 BU", "P943 GY", "M814 BR", "M906 BU", "X785 BU", "P702 GY" (GE-C3) For ATCH-Medium Circuit (12 poles): "K858 YL", "K862 GY", "K869 BU" (2) 7K-1181 Cable Strap (4) 434-6710 Chassis Harness As

1. Connect harness (4) to the cab harness at (GE-C1) and (GE-C2).

2. Secure connection (GE-C3).
   Show/hide table

   Illustration 4	g06036351
   (GE-C20) Connect to STEM 1 Extend Solenoid: "K856 PU", "K869 BU" (GE-C22) Connect to STEM 2 Extend Solenoid: "K857 WH", "K869 BU" (GE-C24) Connect to STEM 1 Retract Solenoid: "K860 BU", "K869 BU" (GE-C26) Connect to STEM 2 Retract Solenoid: "K861 GN", "K869 BU" (1) 3S-2093 Cable Strap (2) 7K-1181 Cable Strap (4) 434-6710 Chassis Harness As (5) 132-5789 Clip (7) 4P-7581 Clip (8) 7I-2673 Cable Strap (9) 8T-4121 Hard Washer (10) 8T-4191 Bolt

3. Route the long leg of harness (4) to the pump compartment.

4. Connect (GE-C20), (GE-C22), (GE-C24), and (GE-C26) to the pilot control valve.
   Show/hide table

   Illustration 5	g06036364
   (GE-C6) Connect to Variable Relief 1 Solenoid: "K833 PK", "K869 BU" (GE-C8) Connect to Squeeze Sensor: "J850 WH", "235 BK", "M906 BU" (GE-C10) Connect to Variable Relief 2 Solenoid: "K834 PU", "K869 BU" (GE-C14) For Smart Boom Down Electric Check Solenoid: "X785 BU", "235 BK" (2) 7K-1181 Cable Strap (7) 4P-7581 Clip (9) 8T-4121 Hard Washer (10) 8T-4191 Bolt

5. Route the shorter leg of harness (4) to the foot of the boom.

6. Connect (GE-C6), (GE-C8), and (GE-C10) to the front lines group.

7. Secure connection (GE-C14).

Show/hide table

Illustration 6	g06035752
With Smart Boom Installed (GE-C14) For Smart Boom Down Electric Check Solenoid: "X785 BU", "235 BK" (C-C20) Chassis Harness, Connect to Boom Cylinder Head Pressure Sensor: "J850 WH", "235 BK", "H446 PK" (C-C54) Chassis Harness, Connect to Boom Cylinder Rod Pressure Sensor: "J850 WH", "235 BK", "E411 YL" (4) 434-6710 Chassis Harness As

1. Connect (GE-C14) of harness (4) to the Boom Down Electric Check Solenoid.

2. From the main chassis harness connect (C-C20) to the Boom Down Cylinder Head Pressure Sensor.

3. From the main chassis harness connect (C-C54) to the Boom Cylinder Rod Pressure Sensor.
   Show/hide table

   Illustration 7	g06036397
   (GE-C1) Connect to harness (12 poles) Position C: "K856 PU", "K860 BU", "K857 WH", "K861 GN", "K833 PK", "K834 PU", "K858 YL", "K862 GY", "K869 BU", "J850 WH" (GF-C1) Connect to Harness (8 poles): "P943 GY", "K762 PU", "K869 BU", "P702 GY", "J850 WH", "235 BK", "M814 BR", "M813 BU" (GF-C2) Connect to Stick in Solenoid: "P943 GY", "K869 BU" (GF-C4) Connect to Stick in Control Pressure Sensor: "J850 WH", "235 BK", "M814 BR" (GF-C6) Connect to Boom Down Solenoid: "K762 PU", "K869 BU" (2) 7K-1181 Cable Strap (3) 369-0168 Sensor Harness As (4) 434-6710 Chassis Harness As (5) 132-5789 Clip (8) 7I-2673 Cable Strap (9) 8T-4121 Hard Washer (10) 8T-4191 Bolt

4. Connect harness (3) to harness (4) below the main control valve.

5. Connect (GF-C2) to the Stick in Solenoid at the top left side of the valve.

6. Connect (GF-C6) to the Boom Down Solenoid at the top right side of the valve.

7. Connect (GF-C4) to the Stick In Control Pressure Sensor at the bottom left side of the valve.

Show/hide table

Illustration 8	g06036382
(GF-C8) For to Boom Up Electric Check Solenoid: "P702 GY", "235 BK" (GF-C10) Connect to Stick Out Control Pressure Sensor: "J850 WH", "235 BK", "M813 BU" (1) 3S-2093 Cable Strap (3) 369-0168 Sensor Harness As

1. Secure (GF-C8).

2. Connect (GF-C10) to Stick Out Control Pressure Sensor.
   Show/hide table

   Illustration 9	g06035761
   With Smart Boom (GF-C8) Connect to Boom Up Electric Check Solenoid: "P702 GY", "235 BK" (GF-C10) Connect to Stick Out Control Pressure Sensor: "J850 WH", "235 BK", "M813 BU"

3. Connect (GF-C8) to Boom Up Electric Check Solenoid

4. Connect (GF-C10) to Stick Out Control Pressure Sensor.