MUFFLER 0042980 - Caterpillar

Once the maximum fan speed is correct, press the "Next>" button in order to complete the test.
Illustration 9 g00925396
Typical example
The next screen will show that the test was successful. Select "Continue" in order to proceed.
If the test for the minimum fan speed was selected, proceed to "Calibration for Minimum Fan Speed". If the test for the minimum fan speed was not selected, disengage the throttle lock and stop the engine.
Remove the test equipment.Calibration for Minimum Fan Speed
Illustration 10 g00925407
Typical example
The next screen is the initial calibration screen. The screen displays the 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 display area on the bottom will display the conditions for the setup and the instructions for the calibration.
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The display area will show the following conditions for the setup:
Set the parking brake.
Operate the engine at high idle. Use the throttle lock (4) in order to operate the engine at high idle.
Ensure that the hydraulic oil temperature exceeds 55 °C (131 °F).
Perform the following procedures in order to satisfy the conditions for setup.
Ensure that the parking brake is engaged.
Run the engine at high idle with the throttle lock.
Monitor the hydraulic oil temperature with the Cat ET screen and stall a hydraulic function in order to increase the hydraulic oil temperature. Stall a hydraulic function by moving the function to the end of travel.
When the conditions for setup are satisfied, press the "Next>" button in order to start the calibration. If the conditions for the setup are not correct, the condition that is not correct will be display in the middle display area. The calibration will not start. When the conditions are correct, press the "Next>" button in order to start the calibration of the fan speed.Note: When the minimum fan speed is being calibrated, the maximum signal will be sent to the hydraulic demand fan solenoid in order to obtain the minimum fan speed.Note: You can cancel the calibration at any time by pressing the "Cancel" button.
Illustration 12 g01113372
Typical example
Record the fan speed. Press button (5) or press button (6) at the bottom of the screen until the fan speed is approximately 1000 rpm. Then, press the button (6) at the bottom of the screen until the fan speed is correct. The minimum fan speed is 550 50 rpm.Note: When button (6) is pressed, the signal to the hydraulic demand fan solenoid will be increased. When the signal is increased, the fan speed will decrease. When button (5) is pressed, the signal to the hydraulic demand fan solenoid will be decreased. When the signal is decreased, the fan speed will increase.Note: When adjusting the minimum speed of the fan and the minimum speed is exceeded, increase the speed of the fan to 1000 rpm and then decrease the speed of the fan to 550 50 rpm. This process will allow the fan speed to be properly set.
The calibration procedure could