SCREW-PAN HEAD 3429022 - Caterpillar

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, "Caterpillar Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Caterpillar products.Dispose of all fluids according to local regulations and mandates.
The oil level should be checked before operating the transmission.Check the oil level of the transmission under the following conditions:
The transmission oil is warmed to operating temperature.
The engine is at LOW IDLE.
The transmission is in NEUTRAL.
The vehicle is on level ground.
TH31 Transmission
Illustration 1 g01225178
Wipe oil filler cap (1) and oil filler tube (2) .Note: The oil level dipstick is integral with the oil filler cap for the transmission oil. Oil filler tube (2) for the torque converter and transmission oil is located on the right side of the machine.
Turn the handle on the oil level dipstick (1) in order to remove the dipstick. Remove the oil level dipstick (1) and clean the oil level dipstick by wiping with a clean cloth.
Guide the oil level dipstick (1) down the filler tube (2) and turn the handle in order to make the seal between the filler tube (2) and the oil filler cap (1) .
Remove the oil level dipstick (1) and check the oil level. The oil level is acceptable anywhere between the "FULL" mark and the "LOW" mark. If necessary, add oil through filler tube (2) .
Illustration 2 g01389317
Note: The oil level dipstick is marked "LOW" and "FULL".
The transmission is operational if the oil level is within the shaded area that is shown in Illustration 2. An oil level that is anywhere in this range is normal.
Guide the dipstick (1) down the filler tube (2) and turn the handle on the dipstick (1) in order to make the seal between the filler tube and the filler cap.
Operate the transmission until the temperature of the oil is at normal operating temperature. Normal operating oil temperature is 66 to 82 °C (150 to 180°F).
Remove the oil level dipstick (1) and recheck the oil level. If necessary, add oil through filler tube (2) to the "FULL" mark on the oil level dipstick.
Guide the dipstick (1) down the filler tube (2) and turn the handle of the dipstick (1) in order to make the seal between the filler tube (2) and the filler cap. CX31 Transmission
Illustration 3 g01878993
Typical example of a CX31–P600 Petroleum Transmission without integral pump drives and without drop box (1) Location of filler tube and dipstick
Make sure that the oil is warm and that the transmission is in the NEUTRAL position. Make sure that the parking brake is engaged.
Remove dipstick gauge (1) and check the oil level.
Stop the engine. If necessary, add oil.
Install the dipstick.