WRENCH - 1U5536 - Caterpillar

Set the engine speed dial at "1".
Lower the left console.
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Power mode control button on the soft panel switch
Push down on the power mode control button to activate power mode.Note: The indicator light will be illuminated when power mode is activated.
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Automatic Engine Speed Control (AESC) as displayed on the programmable function key in the monitor.
Disable the automatic engine speed control through the monitor by pressing the programmable button.
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Hydraulic modulation switch on left joystick
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Hydraulic modulation medium mode (monitor display)
Select the hydraulic modulation mode as medium. Press the lower front switch on the left joystick to select the hydraulic modulation mode.
The air conditioning should be turned off for the following test.
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Transmission control button on the soft panel switch
Push down on the transmission control button to select FIRST GEAR.Note: The first indicator light will illuminate when the transmission is in FIRST GEAR.
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Creeper speed control button on the soft panel switch
Push down on the creeper speed control button to activate the creeper speed control.Note: The indicator light will be illuminated when the creeper speed control is activated.Test Procedure
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 operating the machine.
Release the service brake pedal.
Fully depress the travel pedal.
Override the “Main Pump Solenoid Current" until the engine speed has reached the correct value.Note: Refer to Table 1 in this manual for the correct value.
Start the Electronic Technician.
Select the Machine ECM and then select “OK”.
Select “Diagnostics” from the main menu.
Select “Diagnostic Tests”.
Select “Override Parameters”.
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ET Configuration Screen
(3) “Travel Pilot Solenoid Current Override”
Select “Travel Pilot Solenoid Current Override” (3) and set the current to 0.8 amp.
Select "Main Pump Solenoid Current" and set the current to 0.4 amp.
Then adjust the "Main Pump Solenoid Current" by 0.2 amp until the "Main Pump Solenoid Current" reaches 1 amp.Note: Perform Step 3.h with a fully depressed travel pedal and the bucket in the full Bucket Open position.
Disable all overrides and release the travel pedal
Verify the engine speed and transmission output speed in Cat ET.
Compare the transmission output speed that was verified in Cat ET with the calculated target shaft speed, refer to Table 1.
If the transmission output speed is not within tolerances, then adjust maximum displacement. Refer to Section "Adjustment Procedure".Adjustment Procedure
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Maximum displacement screw for main pump
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 operating the machine.
Remove the cap from