PUMP GP-TRANSMISSION 3888310 - Caterpillar

Table 1
Required Tools
Description Qty
Stopwatch 1
Illustration 1 g00297292
Start the engine.
Position the machine on level ground.
Increase the hydraulic oil temperature to 55° 5°C (131° 9°F).
Raise a track off the ground. Refer to Illustration 1.
Put a mark on a shoe of the raised track.
Place the machine controls at the following settings: Engine speed dial "10" and AEC switch OFF.
Place the travel speed control switch in HIGH position.
Move the travel lever of the raised track to full travel position.
Measure the time that is required for the raised track to make three complete revolutions. Measure the time that is required in each direction.
Place the travel speed control switch in the LOW position and repeat Steps 8 through 9.
Table 2
Time For Three Revolutions (time in seconds)
Standard Undercarriage
Travel Speed New Rebuild Service Limit
HIGH Forward 19.0 or less 20.0 or less 22 or less
Reverse
LOW Forward 32.0 or less 33.0 or less 35.0 or less
Reverse
Table 3
Time For Three Revolutions (time in seconds)
Long Undercarriage
Travel Speed New Rebuild Service Limit
HIGH Forward 21.5 or less 22.5 or less 24.5 or less
Reverse
LOW Forward 36.0 or less 37.0 or less 39.0 or less
Reverse