GASKET 7M8151 - Caterpillar

Procedure for Transmission Clutch Fill Calibration
Personal injury or death can result from sudden machine movement.Sudden movement of the machine can cause injury to persons on or near the machine.Prevent possible injury by performing the procedure that follows before working on the machine.
Do not connect or disconnect hose fittings to or from the quick disconnect nipples when there is pressure in the system. This will prevent damage to the seals that are in the fitting.
Park the machine on a smooth, level surface.
Shift the transmission direction control switch to the NEUTRAL position.
Lower the bucket or the work tool to the ground.
Engage the parking brake.
Place blocks in front of the wheels and behind the wheels.
Install the steering frame lock.
Allow only authorized personnel on the machine. Keep unauthorized personnel off the machine and in clear sight of the operator.
Illustration 1 g01081780
You can use SET/DECEL button (1) to maintain the high idle. RESUME/ACCEL button (2) can be used to resume high idle.
Table 1
Required Tools
Part Number Description Quantity
139-4166 Data Link Cable 1
7X-1425 Cable 1
4C-6805 Adapter 1
171-4400 Communication Adapter Tool 1 Note: If a new clutch solenoid modulating valve was installed, shift the transmission for at least 12 times into a speed or a direction that uses the clutch solenoid modulating valve. Allow sufficient time for the corresponding clutch to be fully pressurized.The software program that will be used for this test procedure is the Caterpillar Electronic Technician (ET). The Caterpillar Electronic Technician is a software program that can be used on an IBM-compatible personal computer.Reference: For more information about the use of Electronic Technician, refer to Troubleshooting, "Using Caterpillar Electronic Technician to Determine Diagnostic Codes" for the machine that is being serviced.
Illustration 2 g01105911
Location of service connector
(3) 12 volt power source. (4) Service connector.
Connect the laptop computer to the service connector (4) in the cab. The service connector is located on the back wall of the cab to the right of the operator's station.
Illustration 3 g01138675
Typical Screen
Open the software program (ET). Select the "Transmission 988H" menu item.
Illustration 4 g01081390
Select the "Service" menu in order to begin the calibration procedure. Then select "Calibrations". A second menu will be displayed. Select "Transmission Fill Calibration" from the second menu.
Illustration 5 g01081410
The next screen is the initial calibration screen. Once "Transmission Fill Calibration" has been selected, the screen displays the incremental instructions for calibration. The top display area displays status parameters that are monitored during the calibration. The middle display area displays information about the status of the calibration. The bottom display area displays incremental instructions for the calibration. The step that currently needs to be carried out is in bold text. All other steps are displayed in gray text.
Press the "Next>" button in order to start the calibration. The "Next>" button is disabled, until the current step has been successfully completed. A check will be placed in the box that is left of the step, after the current step is complete. After the successful completion of a step, press the "Next>" button in order to begin the following step. Continue