TM 5-4220-227-14
5-14. Heater/Chiller Unit Motor.
This task covers:
a.
Replace
INITIAL SETUP
Tools
Equipment Condition
General Mechanic's Tool Kit
Heater/chiller unit removed (para. 4-28).
(NSN 5180-00-177-7033)
Materials/Parts
Heater/Chiller Unit Motor
Replace. (figure 5-11)
(1)
Remove four screws (1) and lockwashers (2).
(2)
Remove six screws (3) lockwashers (4) and remove front housing piece (5).
(3)
With one hand supporting the coil assembly (6), remove four screws (7), coil assembly (6) and two nut plates (8)
from housing assembly (9).
(4)
Remove six screws (10) and lockwashers (11) and remove motor assembly (12).
(5)
Remove screw (13) and lockwashers (14) and remove fan blade (15).
(6)
Install fan blade (15) on motor assembly (12) and secure with screw (13) and lockwasher (14).
(7)
Install motor assembly (12) and secure with six screws (10) and lockwashers (11).
(8)
With one hand supporting coil assembly (6) and one nut plate (8), install coil assembly (6) in housing assembly
(9) and secure with two screws (7). Install second nut plate (8) and secure with two screws (7).
(9)
Install front housing piece (5) and secure with six screws (3) and lockwashers (4).
(10)
Install four screws (1) and lockwasher (2).
FOLLOW-ON MAINTENANCE
Install heater/chiller unit (para. 4-28).
5-30
