TM 9-4120-403-14
(f)
Lever or tilt the compressor and remove four rubber washer and four spacers from under each of the
four mounting feet.
(g)
Carefully slide compressor from air conditioner.
(h) While purging the system with nitrogen, debraze process and discharge tubes (note angle of discharge
tube). Save for re-use.
(i)
compressor. Be sure discharge tube is at same angle as removed from old compressor.
NOTE
If compressor motor burnout is suspected, refer to cleaning to remove contaminated oil from system.
If any refrigeration piping was disconnected with the compressor being replaced, transfer the piping to the
replacement compressor in the same position as noted during disassembly, before installing it in the air
conditioner.
Check to see that replacement compressor is equipped with a heater, if not, remove
tested heater from old compressor or replace with new one.
(j)
Lift compressor through the lower front panel opening and position it on base pan.
(k)
Tilt the compressor and install the four spacers and four rubber washers between each of the four
compressor mounting feet and the base pan.
(1) Install four oversize flat washers and four rubber washers on the four mounting shoulder screws, then
insert the shoulder screws from beneath the base. Secure with four flat washers and locknuts on top of mounting feet.
(m)
Wrap wet rags around compressor at connection points.
(n) While purging the system with nitrogen, braze the tubing joints, keeping the flame away from the
compressor. (See paras 5-8 and 5-9.)
(o)
Connect electrical connector plug (P3) to connector (J3) on compressor connector box.
(p)
Replace the dehydrator. (See para 5-23.)
(q)
Purge system. (See para 5-8.)
(r)
Leak test all newly connected joints and those in the repaired area.
(See para 5-10.)
(s)
Using insulation removed during disassembly, install on suction tube compressor joint area.
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