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

8. Reassemble in reverse order. Mount tem-
perature display so Heater Power switch off
(0) position is at left when facing control
panel.
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424
F . 10. Temperature Sensor
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Replace Function
Knob/Potentiometer
1. See Before Beginning Repair, page 35.
Relieve pressure, page 22.
2. Remove access cover (39) from back of
control module.
3. Disconnect potentiometer wires from J2 on
control board (406). See F
4. See F . 11. Remove two setscrews (416a)
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and pull function knob (416) off potentiome-
ter (404) shaft.
5. Remove nut (N, part of 404) and detent
plate (415).
6. Install new potentiometer (404) in reverse
order. Position potentiometer so slot (S) is
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21
TI7067a
. 12.
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horizontal. Position knob (416) so pointer
(P) faces up. Install knob on shaft so slot
(S) engages alignment pin in knob. Push
knob onto shaft against detent spring
before tightening setscrews (416a).
7. Reconnect potentiometer wires to J2 as
shown in F . 12.
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Repair
313221A