Graco Reactor E-10 Instructions-Parts List Manual page 40

Repair
Replace Function Knob/Potentiometer
1. Follow Before Beginning Repair, page 36.
2. Follow the Pressure Relief Procedure, page 22.
3. Remove the access cover (39) from the back of the
control module.
4. Disconnect the potentiometer wires from J2 on the
control board (406). See F
Detail of Function Knob/Potentiometer
415
N
P
TI7076a
416
416a
*402
*403
409
*424
CS
FC
F . 13 Control Module (Heated Model Shown)
IG
40
. 14, page 42.
IG
404
S
401
416a
421
CS
FC
410 410*
424*
* These items are not included on the nonheated display.
5. See F . 13. Remove the two setscrews (416a) and
IG
pull the function knob (416) off of the potentiometer
(404) shaft.
6. Remove the nut (N, part of 404) and the detent plate
(415).
7. Install the new potentiometer (404) in reverse order.
Position the potentiometer so the slot (S) is
horizontal. Position the knob (416) so the pointer (P)
faces up. Install the knob on the shaft so the slot (S)
engages the alignment pin in knob. Push the knob
onto the shaft against the detent spring before
tightening the setscrews (416a).
8. Reconnect the potentiometer wires to J2 as shown
in F . 14, page 42.
IG
402
404
411
405
408
407
412
413
416a
416
416a
N
415
417
406
TI6979a
311075ZAB