14 308852
Power Cord
Models 232136 and 232137
1.
Relieve pressure; page 3.
2. Remove screws (25, 26) and lower heat sink (22).
See Fig. 12.
3. Disconnect power cord leads (30), including green
wire to grounding screw (78). See Fig. 4.
4. Loosen strain relief bushing (29). Remove power
cord (30).
5. Install new cord (30) in reverse order of disassem-
bly.
6. Install heat sink (22). Be sure no leads are pinched
between heat sink and junction box (20).
Models 232135 and 232138
1.
Relieve pressure; page 3.
2. Loosen screw on power cord retainer (120) and
remove power cord (30).
3. Install new power cord (30) and tighten screw on
power cord retainer (120).
On/Off Switch
1.
Relieve pressure; page 3.
2. Remove screws (25, 26 ) and lower heat sink (22).
See Fig. 14.
3. Remove rubber boot (82). See page 20.
4. Disconnect black, white, brown and blue wires
from ON/OFF switch (80) and remove switch. See
Fig. 4.
5. Install switch so internal tab of anti–rotation ring
(81) engages with vertical groove in threads of
switch, and external tab engages with slot of
junction box. See page 20.
6. Powder inside of rubber boot (82) with talcum,
then shake excess out of boot. Install nut and
rubber boot and tighten.
7. Reconnect black, white, brown and blue wires to
ON/OFF switch (80).
8. Install heat sink (22) with screws (25, 26 ).
See Fig. 14. Be sure no leads are pinched be-
tween motor control board or other components.
Pressure Adjusting Potentiometer
1.
Relieve pressure; page 3.
2. Remove screws (25, 26 ) and lower heat sink (22).
See Fig. 14.
3. Remove potentiometer knob (27).
4. Remove shaft sealing nut (76).
5. Disconnect and remove potentiometer (77).
6. Install and connect new potentiometer (77).
7. Install shaft sealing nut (76).
8. Install potentiometer knob (27).
9. Install heat sink (22) with screws (25, 26 ).
See Fig. 14. Be sure no leads are pinched be-
tween motor control board or other components.
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