Repair
3A5379B
25
Replace Fan Assembly
1. Perform the
Pressure Relief Procedure
, page 14.
2. Disconnect the unit from the power source.
3. Remove two screws (53) and remove the junction
box cover (BA) from the driver to gain access to the
disconnect block (BD). See F
IG
. 19.
4. Loosen screws for 1L1 and 5L3 and gently remove
the wires from each location.
5. Use a wire cutter to cut ferrule tips from the fan
wires and motor power wires close to the ferrules.
NOTE:
Do not cut the tip off of the ground wire.
See F
IG
. 20.
6. Remove the grounding screw (GS) and disconnect
the green grounding wire coming out of the fan cord
grip (C1) attached to the driver (not the junction
box).
7. Loosen the fan cord grip (C1) attached to the driver
and pull out the fan wires.
8. Remove the screws that attach the fan assembly to
the driver and pull up on the end farthest from the
junction box. Slide the assembly toward the junction
box to remove.
F
IG
. 20: Remove Wires
WLD
/
/
/
7
7
7
F
IG
. 21: Grounding Screw
F
IG
. 22: Remove Fan Wires
F
IG
. 23: Fan Assembly Removal
WLE
GS
WLD