TM 9-4120-411-14
Table 2-1. Operator Preventive Maintenance Checks and Services for FDECU - Continued.
Item
Interval
Item to be
Procedure
"Not Fully Mission
No.
Checked or Serviced
Capable if":
7
During
Condensate Drain
When in cooling mode, check that water
Hose
is dripping from the hose end. If water is
dripping from any other place, notify unit
maintenance who will repair, if possible,
or verify and notify direct support main-
tenance if necessary.
8
Weekly
Power Cable
Inspect for frayed or damaged insulation
Cord is frayed or dam-
over visible length of cord and particular-
aged.
ly at entry point to unit. If frayed or dam-
aged, notify unit maintenance.
9
Weekly
Interconnecting
Inspect for frayed or damaged insulation
Any wire is frayed or
Wiring
over visible portion of wires. If frayed or
damaged.
damaged, notify unit maintenance.
10
Weekly
Compressor Oil Level-
Inspect compressor oil level. Oil level
Compressor oil level is
Indicator
should be half way up indicator port. If
either high or low.
oil level is either high or low, notify unit
maintenance who will verify and notify
direct suppo rt maintenance. See figure
11
Monthly
Cover, Screens, and
Check for dirt or obstruction of screens.
Cover or screen is missing,
Panels
Remove obstruction or notify unit main-
loose, or damaged
tenance to clean as necessary.
to the point of interfering
Check for loose or missing attaching
with safe operation.
hardware. Notify unit maintenance to re-
place or tighten as necessary.
12
Monthly
Air Filter
a. Loosen clamp(s) and disconnect re-
Return air filter is dirty
turn air duct from flange assembly or
enough to cause ob-
NBC adapter, as applicable.
struction to airflow.
b. Remove air filter then clean or replace
it as necessary.
13
Monthly
Outside Surface of
Inspect for cracks or dents in the frame or
Unit
panels. Check for chipped or missing
paint and any evidence of corrosion.
Notify unit maintenance who will verify
and notify direct support maintenance to
repair or paint as necessary.
14
Monthly
Identification Plates
Check that identification plates are se-
curely attached to unit and can be easily
read. Notify unit maintenance to attach if
loose or replace if hard to read.
2-6
