Motor Control Board
WARNING
INJECTION HAZARD
To reduce the risk of serious injury,
whenever you are instructed to relieve
pressure, follow the Pressure Relief
Procedure on page 8.
1.
Relieve pressure.
2.
Remove the screws (56,75) and lower the control
card (47). See Fig. 26.
3.
Disconnect the motor wires (C) and the two
connectors (D) from the motor control board (47).
Observe where connections are made. See Fig. 13
on page 20.
4.
Remove the screw (9) from the ground wire (G)
and remove the board.
5.
Install the new motor control board. Reconnect all
wires and secure it to the junction box (59).
CAUTION
To reduce the risk of a malfunction:
S
Be sure the flat blade of the insulated male
connector is centered in the wrap–around blade
of the female connector when the connections
are made.
S
Route all wires carefully to avoid interference with
the motor control board or junction box.
Power Supply Cord
WARNING
INJECTION HAZARD
To reduce the risk of serious injury,
whenever you are instructed to relieve
pressure, follow the Pressure Relief
Procedure on page 8.
1.
Relieve pressure.
2.
Remove the screws (56, 75) and lower the control
card (47). See Fig. 26.
3.
Disconnect the power supply cord leads (P), in-
cluding the green wire to the grounding screw (9).
See Fig. 13 on page 20.
4.
Loosen the strain relief bushing (51). Remove the
power supply cord (50).
5.
Install the new cord (50) in the reverse order of
disassembly.
6.
Install the control card. Be sure no leads are
pinched between the card and other components.
On/Off Switch
WARNING
INJECTION HAZARD
To reduce the risk of serious injury,
whenever you are instructed to relieve
pressure, follow the Pressure Relief
Procedure on page 8.
1.
Relieve pressure.
2.
Remove the screws (56,75) and lower the control
card (47). See Fig. 28.
3.
Remove the rubber boot (55). See page 34.
4.
Disconnect the black wires from the ON/OFF
switch (52) and remove the switch. See Fig. 13 on
page 20.
5.
Install the switch so the internal tab of the anti–ro-
tation ring (54) engages with the vertical groove in
the threads of the switch, and the external tab en-
gages with the slot of the junction box. See page
34.
6.
Powder the inside of the rubber boot (55) with tal-
cum, then shake the excess out of the boot. Install
the nut and rubber boot and tighten.
7.
Reconnect the ON/OFF switch black wires.
8.
Install the control card. Be sure no leads are
pinched between the motor control board or other
components.
