HARNESS AS-CONTROL 3507209 - Caterpillar

Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting, and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Refer to Special Publication, NENG2500, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat® products.Dispose of all fluids according to local regulations and mandates.
Table 1
Parts List
Item Qty Part
1 2 342-2973 Connector Cap
2 8 7K-1181 Cable Strap
3 1 185-0462 Shuttle Valve Gp
4 17 6V-8397 O-Ring Seal
5 1 6V-9508 Plug
6 16 3J-1907 O-Ring Seal
7 8 6V-9001 Elbow
8 8 6V-8636 Connector
9 1 3J-7354 O-Ring Seal
Illustration 1 g06284898
View from underneath the cab
(1) 342-2973 Connector Cap
(2) 7K-1181 Cable Strap
(A) Boom down control pressure sensor
(B) Harness connector
(C) Harness
Unplug harness connector (B) from boom down control pressure sensor (A). Install connector cap (1) onto the harness connector. Use two cable straps (2) to strap the harness connector and harness (C) to the adjacent harness.
Illustration 2 g06284910
View from underneath the cab
(1) 342-2973 Connector Cap
(2) 7K-1181 Cable Strap
(D) Swing control pressure sensor
(E) Harness connector
(F) Harness
Unplug harness connector (E) from swing control pressure sensor (D). Install connector cap (1) onto the harness connector. Use two cable straps (2) to strap the harness connector and harness (F) to the adjacent harness.
Illustration 3 g06284919
View from underneath the cab
Remove switch (G) from shuttle valve (K) and save. Disconnect hose (J) from tee (H). This hose will not be connected to the new valve. Remove the remaining hoses from the valve.
Remove the bolts and washers that secure the shuttle valve to the machine and remove the valve.
Illustration 4 g06285261
View from underneath the cab
(2) 7K-1181 Cable Strap
(3) 185-0462 Shuttle Valve Gp
(4) 6V-8397 O-Ring Seal
(5) 6V-9508 Plug
(6) 3J-1907 O-Ring Seal
(7) 6V-9001 Elbow
(8) 6V-8636 Connector
(J) Hose
Place shuttle valve (3) into position and secure with the bolts and washers from the removed valve.
Install eight elbows (7), O-rings (4), and O-rings (6) to the right side of the valve. Install eight adapters (8), O-rings (4), and O-rings (6) to the left side of the valve. Install the hoses to the correct port.Note: The port numbers are different on the new shuttle valve. Use the color tags on the hoses to ensure that the hoses are installed at the correct port.
Install O-ring (4) and plug (5) onto hose (J). Secure hose (J) to an adjacent hose using cable strap (2).
Illustration 5 g06285271
Hoses not shown for clarity
(2) 7K-1181 Cable Strap
(3) 185-0462 Shuttle Valve Gp
(9) 3J-7354 O-Ring Seal
(G) Switch
Install O-ring (9) onto switch (G). Install the switch onto the new valve. Tighten the switch to 23 2 N m (17 2 lb ft). Use three cable straps (2) to secure the switch harness to the adjacent harness.