Power Cord
232916, 232917, 232910–232913
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).
232915, 232918, 232919, 232665 and 232914
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
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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