TM 9-4120-395-14&P
4-37. INDOOR FANS - Continued.
d.
Installation.
NOTE
If a new indoor fan is to be installed, use the fan side bracket as a template to drill holes.
(1)
Drill mounting holes, if required, for fan side bracket.
(2)
Mount the fan side bracket (12) to the indoor fan (1) with the three screws (11).
(3)
Slide fan onto motor shaft and secure the indoor fan to the front and rear brackets (8) with the four screws
(7).
(4)
Align the shaft of the fan motor (2) so that the flat spot on the shaft is below the 5/16 set bolt (6) and tighten
the 5/16 set bolt.
(5)
Secure the indoor fan to the fan motor bracket (10) with the three screws (9).
(6)
Slide the indoor fan assembly into the air conditioner and secure with the five screws (3).
(7)
Use silicone to seal any gaps where the top of the fans (1) meet the drain pan assembly. See Figure 1-2.
Connect the wires as tagged and remove the tags.
(8)
Install control box cover and both front door assemblies. See paras 4-23 and 4-17.
4-38. INDOOR FANS MOTOR .
This task covers:
a. Inspection
b. Testing
c. Removal
d. Installation
INITIAL SETUP:
TooIs:
Tool Kit, service, refrigeration unit
Materials:
Rags (Appendix F, Item 7)
Silicone Adhesive (Appendix F, Item 12)
Equipment Conditions:
Power off at power source.
Both front door assemblies removed. See para 4-17.
Control box cover removed. See para 4-23.
General Safety Instructions:
Disconnect input power to the unit before performing any internal maintenance.
Voltages used can kill. Shutting the unit off at the thermostat does not disconnect
unit power.
a.
Inspection.
(1) Check the indoor fans motor (1, Figure 4-34) for loose or missing hardware.
(2) Install both front door assemblies. See para 4-17.
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