SPOOL GP-CONTROL VALVE 3237566 - Caterpillar

Table 1
Tools Needed    
Qty     Part Number     Description    
1     1U-5482     Pressure Adapter Group    
1     8T-0857     Pressure Gauge    
1     8T-0860     Pressure Gauge    
1     1U-5756     Hose Assembly    Complete the following steps in order to determine if the all wheel drive solenoid valve is operating properly.
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the machine. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Refer to Special Publication, NENG2500, "Caterpillar Tools and Shop Products Guide", for tools and supplies suitable to collect and contain fluids in Caterpillar machines.Dispose of all fluids according to local regulations and mandates.
Illustration 1 g00503569
(1) All wheel drive control valve (2) All wheel drive solenoid valve (3) Forward pressure port (4) Reverse pressure port
Install a 1U-5756 Hose Assembly and a 8T-0857 Pressure Gauge on the forward pressure port (12) . Position the gauge in the cab for viewing during machine operation.
Start the engine. Run the engine at high idle.
Illustration 2 g00503570
(5) All wheel drive control
Illustration 3 g00503571
(6) Transmission modulator pedal
Illustration 4 g00503572
(7) Torque control lever
Depress transmission modulator pedal (6) and shift the transmission direction and speed control to first speed forward. Set torque control lever (7) to the MINIMUM position. Turn all wheel drive control (5) to the