EXTENSION-CLIP 4599341 - Caterpillar

Check for transmission drag.
Place pressure gauges on all transmission clutches.
Operate the engine at low idle.
Disengage the parking brake.
Press down the service brake pedal in order to engage the brakes.
Shift through all the transmission gears.
Check that the proper clutches engage for each gear.
Check that the clutches disengage properly for each gear. The clutch that is disengaged should have a pressure below 137 kPa (20 psi).Refer to Testing and Adjusting, "Transmission Controls"