SENSOR AS-PRESSURE 3879170 - Caterpillar

Removal Procedure
Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     FT-1114     Vacuum Cap     1    
B     138-7573     Link Bracket     1    Note: Cap all hydraulic lines and fittings that are disconnected in order to prevent oil loss. This will also keep contaminants out of the hydraulic system.
Illustration 1 g01421619
Install Tooling (A) onto the hydraulic oil tank for the implement system.
Open the rear access doors that are located behind the cab on the right side of the machine.
Illustration 2 g01414837
Disconnect hose assembly (1). Disconnect the bracket that holds hose assemblies (2) onto the steering control valve.
Illustration 3 g01414839
Remove clamp (3) and place hose assemblies (4) and (5) out of the way. Disconnect hose assemblies (6), (7), (8), (9), and (10) .
Illustration 4 g01414841
Disconnect hose assemblies (11), (12), (13), (14), and (15). Remove clip (16) .
Illustration 5 g01414843
Disconnect hose assemblies (17), (18), (19), (20), and (21) .
Illustration 6 g01414845
Attach Tooling (B) and a suitable lifting device to steering control valve (23). The weight of steering control valve (23) is approximately 118 kg (260 lb). Remove bolts (22). Remove steering control valve (23) .