VALVE GP-PILOT 9T6649 - Caterpillar

Specifications
Illustration 1 g03359937
(1) Hydraulic oil return port (2) Supply port for the brake actuator (3) Supply port for the brake accumulator charging valve
Table 1
Specification for 106-1774 Brake Control Valve Gp    
Item     Qty     Part     Specification Description    
The parking brake can be manually engaged and disengaged when the pressure in the system is above
10300 kPa (1494 psi). However, if the system pressure is below
10300 kPa (1494 psi), actuation force increases.    
The rod may be extended to the shown position when the tank pressure is above
690 kPa (100 psi).    
A     -     -     Travel of the rod is
8.6 mm (0.34 inch).    
-     -     -     Maximum pressure difference between port (1) and port (3) for the automatic application of the parking brake is
2400 kPa (348 psi).    Removal Procedure
Table 2
Required Tools    
Tool    Part Number    Part Description    Qty    
A     138-7573     Link Bracket     3    
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.
Illustration 2 g01162387
Remove handrail assembly (1) from fender assembly (2) .
Illustration 3 g01162388
Attach Tooling (A) and a suitable lifting device to fender assembly (2). The weight of fender assembly (2) is approximately 102 kg (225 lb).
Illustration 4 g01162389
Illustration 5 g01162390
Remove bolts (3), bolts (4), and fender assembly (2) .
Illustration 6 g01162391
Disconnect hose assemblies (5) and harness assembly (8) .
Remove bolts (6) (not shown) in order to remove parking brake control valve (7) .
Illustration 7 g01162392
Remove pin (9) and connector (10) from parking brake control valve (7) .Installation Procedure
Install parking brake control valve (7) in the reverse order of removal.