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:
Condenser
Assembly (Cont)
10
BEFORE
Condenser
Inspect grilles for damage
Grilles damaged or
Protective
or missing mounting
missing. Damaged or
Grilles and EMI/
hardware. Inspect EMI/RFI
missing mounting
RFI Condenser
condenser ventilation
hardware. Filter
Ventilation
panels for separation from
element has separated
Panel
frame, holes in filter
from frame. One or
element, and bent or
more holes exist
damaged 'honey combs."
measuring twice the
size of one 'honey
comb." Bent or
damaged "honey combs"
which restrict air
flow.
11
BEFORE
Side Panel and
Inspect side panel and
Side panel or access
Access Panels
access panels for damage,
panels are missing,
cracks, holes, missing or
cracked, or have
damaged EMI gasket, or
holes. EMI gasket is
missing or damaged mounting
missing or damaged.
hardware.
12
BEFORE
Condenser Feet
Inspect for damaged or
Condenser feet are
missing condenser feet and
damaged or missing.
mounting hardware.
Mounting hardware is
damaged or missing.
13
BEFORE
Refrigerant Line
Inspect for damaged or
Damaged or missing
Connectors
missing refrigerant line
refrigerant line
connectors.
connectors.
14
BEFORE
Wiring Harness
Inspect for missing or
Damaged or missing
Connectors
damaged wiring harness
wiring harness
connectors
connectors.
Assembly
15
BEFORE
Inspect housing for dents,
Housing is cracked or
Housing
cracks, or holes.
has holes.
16
BEFORE
Air Filter and
Inspect air filter for
Dirt, foreign
Return Air
obvious dirt and damage.
objects, or damage
Filter Bracket
Inspect for damaged or
present which will
missing return air filter
cause restricted air
bracket.
flow. Missing return
air filter bracket.
17
BEFORE
EMI/RFI
Inspect EMI/RFI evaporator
Filter element has
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.
2-9
