MOTOR COMPRESSOR ASSEMBLY.

TM 5-4120-364-13

d i s a s s e m b l y o f o t h e r s e c t i o n s o f t h e u n i t . C a u t i o n should be exercised to prevent

damage to fins. (See figure 4-8).

I n s p e c t condenser coil assembly for damage which would im-

b . Inspection.

pair serviceability.

Removal.

( 1 ) Refer to figure 3-13 and remove front, r e a r and end panels from con-

denser coil section by turning fasteners (9) one-quarter turn counterclockwise.

(2) Pump down the refrigerant system in accordance with paragraph 4-6

and close shutoff valves to isolate condenser coil.

(3) Disconnect compressor discharge line at condenser coil, and condenser

outlet at service valve.

(4) Remove center vertical support bracket (1).

( 5 ) Refer to figure 4-8 and unbolt condenser support brackets (2, 10,

11, 26) from condenser coil-and frame, then lift condenser coil out of the front of

the u n i t .

Installation.

( 1 ) Position condenser coil (1) in frame.

( 2 ) Attach support brackets (2, 10, 11, 26) and bolt to frame.

( 3 ) Attach and bolt center vertical support (1, figure 3-10) to frame.

( 4 ) Connect

refrigerant

lines.

( 5 ) P u r g e opened refrigerant system in accordance with paragraph 4-9.

( 6 ) O p e n valves and return unit to service.

( 7 ) R e p l a c e panels.

MOTOR COMPRESSOR ASSEMBLY.

4-16.

T h e motor compressor assembly is a seni-hermetically s e a l e d

a . General.

unit and may be removed as an assembly for replacement without disassembly o f o t h e r

s e c t i o n s of the air conditioner. Before removing the rotor compressor assembly, dis-

c o n n e c t external power source from the air conditioner. Remove front, rear and side

p a n e l s froman the compressor section by turning fasteners one-quarter turn counterclock-

wise. Refer to figure 4-9 and 4-10 for removal and installation of rotor compressor

assembly .

b. After replacement of rotor compressor assembly, proceed as follows:

(1) Refer to paragraph 4-5 and install service gages.

( 2 ) Turn unit on.

4-17