Repair
3A5379B
27
Replace Electronics Cover
Removal
1. Perform the
Pressure Relief Procedure
, page 14.
2. Disconnect the unit from the power source.
3. Remove the lower from the driver. See
Remove
Driver
on page 35.
NOTE:
This is required to complete the calibration pro
-
cedure (page 29).
4. Remove two screws (6) and remove the junction
box cover (5).
5. Loosen the cord screws on the disconnect block
(51) and disconnect the wires from locations 1L1
and 5L3.
NOTE:
Power cord cables (excluding the ground wire)
may remain attached.
6. Unscrew the ground screws from the fan and power
cord ground wires.
7. Use a wire cutter to cut ferrule tips from the fan
wires and motor power wires.
NOTE:
Cut the wires as close to the ferrules as possi
-
ble. Do not cut the tip off of the ground wires.
8. Use an adjustable wrench to loosen the fan cord
grip (C1).
9. Pull the fan wires out through the cord grip.
F
IG
. 25: Junction Box Cover
WLE
/
/
/
7
7
7
6
BA
51
F
IG
. 26: Ground Screw Location
F
IG
. 27: Disconnect Fan Wires
F
IG
. 28: Loosen Cord Grip
WLD
/
/
/
7
7
7
WLE
WLD
C1
