PLATE AS 4441139 - Caterpillar

Illustration 2 g00738898
(C) Pressure Tap for the Lockup Clutch. (F) Pressure Tap for the Impeller Clutch. (The pressure taps are located on the torque converter case on the left side of the machine.)
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.
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 Tools and Shop Products Guide" for tools and supplies suitable to collect and contain fluids on Caterpillar products.Dispose of all fluids according to local regulations and mandates.
Move the machine to a smooth, horizontal location that is away from operating machines and away from personnel.Note: Permit only one operator on the machine. Keep all other personnel away from the machine or in the operator's sight.
Move the STIC transmission direction control switch to the NEUTRAL position.
Lower 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.Note: All tests and all adjustments must be made while the transmission oil is at normal operating temperature.
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.
Table 1
Required Tools    
Part Number     Description     Quantity    
1U-5481     Pressure Gauge Group     1    
1U-5482     Pressure Adapter Group     1    
The input drive shaft rotates between the torque converter and the transmission whenever the engine is running. Contact with the rotating shaft can result in personal injury or death.The rotating shaft is located under the door assemblies that are behind the machine cab. Do not allow personnel into the area behind the cab when the machine is running.
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.To prevent injury or death, make sure that the area around the machine is clear of personnel and obstructions before moving the machine to perform the test that follows.
Note: The default settings for reduced rimpull can be changed in the field. The power train electronic control module (ECM) must be set to the default reduced rimpull settings before a test of the four reduced rimpull settings can be performed.Reference: Refer to the Service Manual module for Systems Operation, Testing and Adjusting, RENR2522, "Power Train Electronic Control System" for the procedure for programming the set points for reduced rimpull. The following values are the default settings for reduced rimpull: 45 percent, 55 percent,