TEE AS 1488433 - Caterpillar

Table 1
Required Tools    
Part Number    Part Description    Qty    
8T-0856     Pressure Gauge (
0 to 6,000 kPa (0 to 870 psi))     3    
6V-3989     Fitting (TEST)     3    
6V-4143     Quick Connect Coupler     6    
6V-3014     Hose As     3    
Illustration 1 g01943952
Location of test ports on top of the transmission (1) Tap (First gear) (2) Tap (Second gear)Check the shift pressure in order to determine if leakage is present in the transmission.
Illustration 2 g01943833
Pilot Oil Manifold Compartment (3) Pressure tap (Pilot pressure)
Position the machine on level ground and stop the engine.
Release the pressure in the hydraulic system. Refer to Testing and Adjusting, "Hydraulic System Pressure - Release".
Install a 4000 kPa (580 psi) pressure gauge to pressure taps (1) and (2) .
Install a 4000 kPa (580 psi) pressure gauge on pressure tap (3) .
Place the parking brake in the OFF position.
Start the engine.
Run the engine at a low idle.Note: Refer to Testing and Adjusting, "Engine Performance - Test (Engine Speed)" for engine rpm settings.
Lower the left console in order to release the parking brake.
Place the transmission switch in the SECOND GEAR position.
Check the pressure on the gauge at tap (2). The shift pressure should be equal to the pilot pressure at pressure tap (3) .
Place the transmission switch in the FIRST GEAR position.
Check the pressure on the gauge at tap (2). The pressure at tap (2) should decrease to 0 kPa (0 psi).
Check the pressure on the gauge at tap (1). The shift pressure should be equal to the pilot pressure.
Place the transmission switch in the SECOND GEAR position.
Check the pressure on the gauge at tap (1). The pressure at tap (2) should decrease to 0 kPa (0 psi).Note: If the pressure at tap (1) or (2) is not equal to the pressure at the pilot accumulator pressure tap, check the pilot pressure setting first.