Step
If replacing the switch, disconnect switch wires and remove switch:
4
•
Carefully disconnect auto-manual switch wires at the rear of the terminal panel from the following
lugs:
(Looking at the rear of the terminal panel - TB1 is the top terminal board. TB1-1 is the rightmost
terminal on the top terminal board.)
•
Disconnect auto-manual switch wires from the connector at P6-1 and P6-2 on the main PWA.
•
Remove switch knob by loosening the set screw and then sliding it off the shaft.
•
Remove nut securing switch to side of case.
•
Pull switch out of case.
Slide heat shrink tubing over the body of the new switch so it covers the soldered wire terminals. With
5
a heat gun, apply hot air to the shrink tubing to seal the wire terminals of the switch.
Install new switch:
6
•
Remove plug from access hole in actuator case, (if present) where switch shaft will be installed.
See Figure below.
•
.Attach switch label to side of case.
•
Remove nut from threads on switch. Insert switch shaft through case access hole. Carefully
rotate switch until is seats in case. Make sure the stub engages the small hole.
•
Screw the nut onto the switch shaft and tighten it securely.
•
Attach knob to shaft with set screw on flat side of shaft.
Knob
7
Identify the correct terminal lugs on the back of the terminal panel for connecting the switch wires.
62-86-33-26
TB1-1, TB1-8,
TB1-9, TB2-12,
TB2-13, TB2-10, TB2-11.
Label
Nut
Auto-Manual Switch Instruction, continued
Action
Procedure continued on next page
AUTO-MANUAL
Switch
⇒
Page 3 of 5
