HUB 3068857 - Caterpillar

Note: The steps of this procedure must be performed exactly, as described below. This procedure may terminate if any unknown functions or any unexpected functions are activated. This procedure may terminate if a fault (CID FMI) is present. Do not move any switch positions, any levers or any pedals unless you are instructed differently.
Open the access door directly behind the rear of the cab in order to locate the pressure tap assembly.
Illustration 3 g01109746
Pressure tap for Clutch 1
Connect the 198-4237 Pressure Sensor to the pressure tap for Clutch 1. See Illustration 3 for the locations of all the pressure taps. Use the 198-4236 Adapter Cable in order to connect the pressure sensor to the 198-4234 Digital Indicator .
Make sure that transmission direction control switch (9) is in the NEUTRAL position.
Make sure that the parking brake is engaged.
Start the engine and operate the engine at low idle.Note: If a new transmission clutch solenoid modulating valve was installed, shift the transmission for at least 12 times into a speed or a direction that uses the transmission clutch solenoid modulating valve. Refer to Illustration 1 in order to identify the transmission clutch solenoid modulating valve and the corresponding clutch. Allow sufficient time for the corresponding clutch to be fully pressurized.
Warm the transmission oil to at least 40°C (104°F).
Table 3
Clutch Engagement Calibration Submodes    
Submode 31     Number 1 Clutch Engagement
Reverse    
Submode 32     Number 2 Clutch Engagement
Forward    
Submode 33 (1) (2)     Number 3 Clutch Engagement
Fourth Speed    
Submode 34 (1)     Number 4 Clutch Engagement
Third Speed    
Submode 35     Number 5 Clutch Engagement
Second Speed    
Submode 36     Number 6 Clutch Engagement
First Speed    
( 1 ) Not available on 826H
( 2 ) Not available on 825H
Connect the 4C-8195 Control Service Tool to the service connector in the cab. The service connector is located on the back wall of the cab to the right of the operator's station.
Use the 4C-8195 Control Service Tool to enter Transmission Calibration Mode "8". Then enter the submode that corresponds to the clutch that is being calibrated by using the "SCROLL" switch. Enter submode 81.Make the following adjustments in order to calibrate the clutch pressures. Refer to Table 4.
Table 4
Engagement Pressures of the Transmission Clutches    
Engaged Clutch     824H     825H     826H    
Clutch 1
Reverse    
2210