TM 9-4120-388-14
5-21. COMPRESSOR (B1) - Continued.
NOTE
If any refrigeration piping was disconnected with the compressor being replaced, be sure
that replacement compressor is equipped with a heater if not, remove heater from old
compressor or replace with new one.
Lift compressor through the lower front panel opening and position it on base pan.
(1)
Lever or tilt the compressor and install the rubber washer and bushing between each of the four compressor
(2)
mounting feet and the base pan.
Install two flat washers and a rubber washer on each of the four mounting shoulder screws from beneath
(3)
the base. Secure with four flat washers and lock nuts on top of mounting feet.
(4) Wrap wet rags around compressor at connection points and while brazing direct flame away from compressor.
While purging the system with nitrogen, braze the tubing joints. (See para 5-8 and 5-9.)
(5)
Replace the dehydrator. (See para 5-14.)
(6)
(7)
Connect electrical connector plug (P4) to connector (J4) on compressor terminal box.
Leak test all newly connected joints and those in the repaired area. (See para 5-10.)
(8)
Install junction box. (See para 4-46.)
(9)
(10) Install lower front panel. (See para 4-28.)
(11) Install side access cover. (See para 4-22.)
(12) Evacuate and charge the refrigerant system. (See para 5-11 and 5-12.)
