Return to Section TOC
Return to Section TOC
Return to Master TOC
Return to Master TOC
TROUBLESHOOTING AND REPAIR |
ENCODER PC BOARD REMOVAL AND REPLACEMENT (continued)
FIGURE F.8 — ENCODER PC BOARD REMOVAL AND REPLACEMENT.
ENCODER
PC BOARD
| WASHER |
| NUT |
FELT WASHER | SPACER |
| ALLEN |
KNOB | SCREW |
Return to Section TOC
Return to Section TOC
Return to Master TOC
Return to Master TOC
PROCEDURE
1.Remove input power to the
2.Using the 5/16 in. nut driver remove the two screws from the top of the control panel.
3.Lower the control panel.
4.Using the 5/64 in. Allen wrench remove the control knob, spacer and felt washer from the encoder board that is to be removed. See Figure F.8.
5.Using the 1/2 in. wrench remove the nut and washer from the control shaft.
6.Carefully remove the PC board from the front panel.
7.Remove harness plug J17 from the encoder PC board.
8.Install harness plug J17 into the new encoder PC board.
9.Assemble the PC board into the front panel and secure with the washer and nut previously removed.
10.Assemble the felt washer, spacer and control knob onto the shaft and secure with the 5/64 in. Allen wrench.
11.Replace the control panel.