Repair
3A1602H
35
Replace Function
Knob/Potentiometer
1.
See
Before Beginning Repair
, page 33. Relieve
pressure, page 23.
2.
Insert pin through cart handle and lock with lanyard.
3.
Carefully lay sprayer on its side on a level surface.
4.
Carefully lay sprayer on it’s side on a level surface.
Rotate sprayer and rest upside down on cart han-
dle.
NOTE:
Always use two people when lifting the sprayer
up on to a workbench.
5.
Remove four screws (10) and control board cover
(61) to expose the control board (12).
6.
Disconnect potentiometer wires from J2 on control
board (12). See Fig 12.
7.
See Fig 11. Remove two setscrews (16a) and pull
function knob (23) off potentiometer (16) shaft.
8.
Remove nut (N, part of 16) and detent plate (22).
Remove potentiometer (16) and washer (87).
9.
Install new potentiometer (16) in reverse order.
Position potentiometer so slot (S) is horizontal.
Position knob (16) so pointer (P) faces toward the
top. Install knob on shaft so slot (S) engages align-
ment pin in knob. Push knob onto shaft against
detent spring before tightening setscrews (16a).
10. Reconnect potentiometer wires to J2 as shown in
Fig 12.
F
IG
. 55
ti17464a
Summary of Contents for Reactor E-8p 3A1602H
Page 16: ...Setup 16 3A1602H 12 Install fluid tubes 36...
Page 36: ...Repair 36 3A1602H FIG 56 Function Knob Potentiometer ti17465a 10 61 12 16a 23 22 87 16 N S P...
Page 40: ...Repair 40 3A1602H FIG 59 Pressure Transducer Connection 35 ti17467a 33...
Page 56: ...Dimensions 56 3A1602H Dimensions 34 58 in 87 8 cm 24 12 in 61 3 cm 15 06 in 38 3 cm TI17120a...
