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TM5-4120-387-14
NOTE
If any refrigeration piping was disconnected with the
compressor being replaced, transfer the piping to the
replacement compressor before installing it in the air
conditioner.
Check to see that replacement compressor is
equipped with a heater, if not, remove heater from old
compressor or replace with new one.
(1) Lift compressor through the lower front panel opening and position it
on base pane.
(2) Install sensor bulb on tubing with two clamps. Using screwdriver,
tighten hardware on bulb clamps.
(3) Using insulation removed during disassembly, install on sensor bulb.
(4) Lever or tilt the compressor and install the rubber washer and bushing
between each of the four compressor mounting feet and the base pan.
(5) Install two flat washers and a rubber washer on each of 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.
(6) Wrap wet rags around compressor at connection points and while brazing
direct flame away from compressor.
(7) While purging the system with nitrogen, braze the tubing joints. (See
paras 5-7 and 5-8.)
(8) Replace the dehydrator. (See para 5-13.)
(9) Connect electrical connector plug (P3) to connector (J3) on compressor
terminal box.
(10) Leak test all newly connected joints and those in the repaired area.
(see para 5-9.)
(11) Using insulation removed during disassembly, install on suction tube
compressor joint area.
(12) Install junction box. (See para 4-29.)
(13) Evacuate and charge the refrigerant system. (See paras 5-10 and 5-11.)
5-22. LIQUID SIGHT INDICATOR (SIGHT GLASS)
Preliminary procedure: 1. Remove top panel. (See para 4-23.)
2.
Remove fan relay (K7). (See para 4-54.)
5-55
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