Manual 0-4691 5-39 SERVICE
5
B. Work Cable Replacement
1. Remove the cover per Section 5.09-A.
2. Disconnect the Work Cable from the E61 (WORK) terminal on the Power Output PC Board, located on the right side of the
unit.
3. Squeeze the top and bottom of the Work Cable Strain Relief and remove from the Front Panel.
4. Remove Work Cable from the unit.
5. Install the replacement Work Cable.
a. Ensure that the replacement Work Cable passes through the grommet in the Fan Assembly Panel.
b. Secure the Cable to the Work terminal on the Power Output PC Board and securing the strain relief.
C. Pilot PC Board Replacement
The Pilot PC Board mounts to the Power Supply center chassis. Refer to Pilot Board Layout in the Appendix.
1. Remove the power supply cover per Section 5.09-A.
2. Label and disconnect wires from Pilot PC Board terminals E58 and E62. Disconnect the wire harness from receptacle J28.
3. Remove the hardware securing the Pilot PC Board to the power supply center chassis. Remove the Pilot PC Board.
4. Position the replacement Pilot PC Board against the standoffs fastened to the center chassis. Note that the Pilot PC Board
mounts with its printed text upside down. Fasten the Pilot Board to the standoffs with the hardware removed previously.
Torque the hardware to 18 in-lbs (2.04 Nm).
5. Reconnect the wires to the Pilot PC Board. Wire #58 connects to terminal E58; wire #62 connects to terminal E62. Ensure
that the wire harness connector is fully seated in receptacle J28.
6. Reinstall the power supply cover.
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