 |
|||
|
|
|||
|
|
|||
| ||||||||||
|
|
 TM 5-4120-274-15
REPAIR INSTRUCTIONS
Secion I. COMPRESSOR
6-1. General
6-2. Compressor
The compressor is hermetically sealed and cannot
be repaired. In case of failure the compressor
must be replaced.
Section II. CONDENSER COIL, EVAPORATOR COIL
6-3. General
a. Removal.
The evaporator and condenser coils must be re-
(1) Evacuate system, refer to paragraph 5-
moved from the air conditioner for repair and
21c.
replacement.
(2) Remove condenser coil grille, refer to
(3) Remove screws (3) holding filter-drier
a. Remove top panel and discharge grille refer
bracket to shell.
(4) Pull condenser coil, figure 1-3 from
unit and unsolder as required.
coil.
b. Repair. Repair minor leaks or holes by sol-
c. Repair. Repair minor leaks or holes by sol-
dering with silver solder (class 4 or 6A QQS-
dering with silver solder (class 4 or 6A QQS-561)
561) per MIL-B-7883. If damage is excessive re-
per MIL-B-7883. If damage is excessive replace
place condenser coil.
evaporator coil.
c. Installation
d. Installation.
(1) Refer to figure 3-15, and install evapo-
(1) Replace condenser coil.
(2) Leak test the entire system. Refer to par-
rator coil.
(2) Install top panel and discharge grille re-
agraph 3-45b.
fer to paragraph 3-18.
(3) Evacuate the system (para 5-21c).
{3) Leak test the entire system. Refer to par-
(4) Evacuate the system (para 5-21c).
agraph 3-45b.
(5) Replace screws in filter-drier bracket.
(6) Replace condenser coil grille, figure 3-
(5) Recharge the system (para 5-21d).
1.
Section III. HIGH Pressure SWITCH, LOW PRESSURE SWITCH,
FAN SPEED PRESSURE SWITCH
high pressure switch.
a. General. The high pressure switch prevents
the compressor from operating if the head pres-
ssure exceeds 445 psig (pounds per square inch
gage).
stall high pressure switch.
|
|
Privacy Statement - Press Release - Copyright Information. - Contact Us |
Click
here for thousands of PDF manuals