TM 9-4120-408-14
Table 2-2. Operator Preventive Maintenance Checks and Services
for Air Conditioner: Split Pack, 30,000 BTUH, 28VDC (Continued)
Location
Item
Item To Be
Not Fully
No
Interval
Check/Service
Procedure
Mission Capable If:
Evaporator
Assembly
33
AFTER
Evaporator
Inspect housing for dents,
Housing is cracked or
Housing
cracks, and holes.
has holes.
34
AFTER
EMI/RFI
Inspect EMI/RFI evaporator
Filter element has
Evaporator
ventilation panels for
separated from frame.
Ventilation
separation from frame,
One or more holes
Panel
holes in filter element,
exist measuring twice
bent or damaged "honey
the size of one
comb", and missing or
"honey comb." Bent
damaged mounting hardware.
or damaged "honey
combs" which restrict
air flow.
35
AFTER
Evaporator Side
Inspect evaporator side
Evaporator side panel
Panel
panel for damage, cracks,
has cracks or holes.
holes, missing or damaged
Missing or damaged
mounting hardware, and
EMI gasket or
missing or damaged EMI
mounting hardware.
gasket.
Assembly
36
WEEKLY
EMI/RFI
Inspect EMI/RFI ventilation
Dirt, foreign
panels for dirt, foreign
objects, or damage
Ventilation
objects, or damage which
present which will
Panels
will restrict air flow.
cause restricted air
flow.
Evaporator
Assembly
37
WEEKLY
Air Filter
Inspect air filter for
Dirt, foreign
dirt, foreign objects, or
objects, or damage
damage which will restrict
present which will
air flow.
cause restricted air
flow.
38
WEEKLY
EMI/RFI
Inspect EMI/RFI ventilation
Dirt, foreign
Evaporator
panels for dirt, foreign
objects, or damage
Ventilation
objects, or damage which
present which will
Panels
will restrict air flow.
cause restricted air
flow.
2-12
