TM 9-4120-411-14
5.20 COMPRESSOR REPLACEMENT - CONTINUED.
NOTE
New compressor fittings are protected with caps. Do not remove these caps until
ready to install.
(1) Remove protective caps and install reversing valve assembly onto compressor (2) tubing ends. Be sure to
install bushing (3) into lower compressor tubing end. Purge the tubing per paragraph 5.5 and braze
(2) Install insulation and secure with insulation tape as necessary.
(4) Fill compressor with proper amount of refrigerant oil per paragraph 5.6.A
5.21 OUTSIDE COIL REPLACEMENT.
THIS TASK COVERS:
a. Removal
b. Installation
Initial Setup:
Materials/Parts
Personnel Required
Lock Washers (qty 2)
2
Lock Washers (qty 6)
Lock Washers (qty 2)
(1)
(2)
(3)
(4)
(5)
Remove two screws (1), lock washers (2), flat washers (3), and compressor brace (4). Discard lock
washers.
(6)
(FDECU-4 AND THEREAFTER) Remove two nuts (1A), lock washers (2A), flat washers (3A), screws (4A),
flat washers (4B), clamp (4C), and compressor brace (4D). Discard lock washers.
(7)
Remove two nuts (5), lock washers (6), flat washers (7), screws (8), and flat washers (9). Discard
(8)
Loosen eight captive screws (10) and carefully pull the electrical assembly (11) out.
(9)
Tag and disconnect wire leads from outside air temperature sensor (12), outside coil temperature sensor
(13), and magnetic proximity switch (14).
(10)
5-44 Change 1