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DISTRIBUTION 3534573 - Caterpillar



3534573 DISTRIBUTION Caterpillar parts DISTRIBUTION
Rating:
36
Alternative (cross code) number:
CA3534573
353-4573
3534573
Caterpillar 3534573 DISTRIBUTION

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Preliminary Test
Testing and Adjusting, "Relief Valve (Pilot) - Test and Adjust"
Testing and Adjusting, "Solenoid Valve (Proportional Reducing) - Calibrate (Power Shift Pressure)"Required Tools
Illustration 1 g02571852
Tooling (A) 198-4240 Digital Pressure Indicator Gp
Table 1
Tool Item Qty Part Number Description
A 198-4240 Digital Pressure Indicator Gp
A1 1 198-4234 Indicator
A2 2 198-4237 Pressure Sensor 3447 kPa (500 psi)
A3 2 198-4236 Extension Cable Machine Preparation
Position the machine on level ground.
Stop the engine.
Release the pressure in the hydraulic system. Refer to Testing and Adjusting, "System Pressure - Release".
Illustration 2 g03884958
Pressure taps for the proportional reducing valves (negative flow control) located in the pump compartment
(1) Pressure tap for "NFC2"
(2) Pressure tap for "NFC1"
Connect two 3447 kPa (500 psi) pressure sensors to the pressure taps for negative flow control. The proportional reducing valves for negative flow control of the drive pump and idler pump are located in the pump compartment. Calibration Procedure
Note: This procedure is typical for both proportional reducing valves for negative flow control.
Start the engine.
Place the hydraulic activation lever in the UNLOCK position.
Increase the hydraulic oil temperature to 55° 5°C (131° 9°F).
Enter the service mode. Input the password "9992".
Illustration 3 g02540004
Select "Main Pump Flow Limit" from the "Calibrations" menu.
Illustration 4 g02540097
Select "NFC (Press Gauge Method)" for the appropriate valve from the "Main Pump Flow Limit" menu.
Press the OK key in order to start the calibration. The engine RPM will automatically increase to the equivalence of engine speed dial 10.
Confirm the notes on the monitor display. Set up the test conditions in accordance with the instructions. Press the OK key.
Move the joystick for STICK OUT to the full out position and hold the joystick in this position. Note: If necessary, a BOOM RAISE function may be performed in place of STICK OUT.
Illustration 5 g02540199
Use the arrows to adjust the pressure until the pressure reading for the negative flow control valve is at 1500 50 kPa (218 7 psi). Press the OK key. Note: Use the arrows to scroll down to view the machine "Engine Speed", "Hydraulic Oil Temperature", "Pump #1 Outlet Pressure", and "Pump #2 Outlet Pressure".
Move the joystick for STICK OUT to the NEUTRAL position.
Confirm notes on the monitor display. Set up the test conditions in accordance with the instructions. Press the OK key.
Move the joystick for STICK OUT to the full out position and hold the joystick in this position. Note: If necessary, a BOOM RAISE function may be performed in place of STICK OUT.
Illustration 6 g02540267
Use the arrows to adjust the pressure until the pressure reading for the negative flow control valve is at 3000 50 kPa (435 7 psi). Press the OK key. Note: Use the arrows to scroll down to view the machine "Engine Speed", "Hydraulic Oil Temperature", "Pump #1 Outlet Pressure", and "Pump #2 Outlet Pressure".
Move the joystick for STICK OUT to the NEUTRAL position.
Illustration 7 g02540302
If calibration was successful and no errors occurred, the display will indicate that the calibration is complete.
Illustration 8 g02540758
The "Error" screen will be displayed on the monitor if an error


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