|
| |
ARMY TM 9-4210-381-14
NAVY EE-000-CA-MMA-010/7053-AC
AIR FORCE TO 35E9-136-31
Table 4-1. Unit Preventive Maintenance Checks and Services - Continued
Item
Inter-
Items to
Not Fully Mission
No.
Val
Check/
Procedure
Capable If:
Service
High/Low
c.
To replace switch contact Direct Support
Refrigerant
Maintenance.
and Low Oil
Pressure
Switches
(cont.)
28
Quarterly
Compressor
a.
Remove right front condenser panel
(para 4-11) to access compressor.
b.
Check compressor sight glass
Improper
(see Figure 4-1). Refrigerant oil should
refrigerant oil
be between ¼ min and ½ max levels.
level.
c.
To add or remove compressor oil contact
Direct Support Maintenance.
WARNING
This inspection performed with power on. Pro-
ceed with extreme caution to prevent dangerous
possible fatal shock.
29
Quarterly
Sight Glass
a.
Access sight glass, remove right front
evaporator panel (para 4-11).
b.
Check that glass window is not broken or
Glass window is
cracked. Check for evidence of leakage.
broken or leakage
Check for bubbles. Contact Direct Support
is evident.
Maintenance for any deficiency.
c.
Check for milky appearance.
Milky appearance
in sight glass.
d.
If sight glass has milky appearance, dean
the condenser air in RFI filter (para 4-40) and
condenser coil (para 4-90).
e.
To repair or replace sight glass contact
Sight glass is
Direct Support Maintenance
damaged.
4-21
|
