TM 3-1040-279-12&P
2-7 SPECIAL INSTRUCTIONS. (cont)
Table 2-1. Operator Preventive Maintenance Checks and Services (cont)
Item
No.
7
(cont)
a
Interval
BEFORE,
AFTER
AFTER
d.
BEFORE
e.
BEFORE,
AFTER
Control Panel
Assembly
a.
Location
Item to Check/
Service
Air
Compressor
Assembly
(cont)
Procedure
Check mechanical felt
filter: turn filter cover (1)
counterclockwise 1/4 turn
and remove. Check filter
and clean as required
using compressed air only.
Reinstall or replace filter
assembly with on-board
spares, if required.
Not Fully
Mission
Capable If:
Release condensation
from pressure tank through
control valve (2).
Check air compressor
operation.
Check that cable assem-
blies are correctly con-
nected to the back of the
control panel and are tight.
Check cable insulation
for dry rot, cuts, or
wear to bare wire.
Air compressor does not
operate.
Cable connectors are broken.
Cable insulation is dry rotted,
cut, or worn to bare wire.
2-10.2
Change 4