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Page Title:
T a b l e 3-1. Organizational Preventive Maintenance Checks and Services |
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 TM 5-4120-356-14
A-AFTER
B-BEFORE
M-MONTHLY
W-WEEKLY
D-DURING
INTERVAL
ITEM TO BE
PROCEDURE
EQUIPMENT IS NOT
ITEM
READY/AVAILABLE IF:
M
INSPECTED
B
D
A
W
NO.
Air
filter
Clogged air filter
Check for cleanliness
1
restricting air flow
Refrigerant
C h e c k for bubbling or fogg- L o w r e f r i g e r a n t
2
ing. Report condition to
level
sight glass
D i r e c t Support Maintenance
if either condition exists
Check color of refrigerant. Refrigerant has be-
Should be green. If color
come contaminated
in sight glass is yellow,
b y moisture
report condition to Direct
S u p p o r t Maintenance
General
3
Be alert for unusual
maintenance
n o i s e s or improper
operation
Visually inspect entire
4
Air
conditioner
unit for cracks, breaks,
a n d loose or missing hard-
ware
Assure that refrigerant
5
Refrigerant
system
h o s e s and tubing are free
of leakage, kinking, etc.
Report all defects found
to Direct Support Mainten-
ance
Condenser and
Check coil fins for dirt
6
or other foreign matter
coils
which would restrict air
flow
3-4
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