TM 10-6640-216-13&P
Table 2-11. Operator Preventive Maintenance Checks and Services - continued
B - Before
A - After
M - Monthly
D - During
W - Weekly
Interval
Procedures
Item
Check for and have
Equipment is
Item
to Be
repaired or adjusted
Not Ready/
No.
B
D
A
W
M
Inspected
as necessary.
Available If:
b. Turn LIGHT switch
on.
c. Turn BLACKOUT
OVERRIDE switch
on.
d. Move door lever to
open position.
e. Check that white
Blackout system
ceiling lights went off inoperative.
and blackout lights
come on.
f. Move door lever to
closed position.
g. Check that white
Blackout system
ceiling lights came
inoperative.
on.
13
Electrical
Check for loose, burned,
Switches cracked or
Switches
or cracked switches.
burned.
14
Fire Ex-
a. Inspect for broken
Seal broken.
tinguishers
seals.
b. Check that charge
Charge gage not
indicating gage is in
indicating proper
the green.
charge.
15
Blackout
Check switch for proper
Switch loose or does
Limit
mounting and actuation.
not activate
Switch
correctly.
Laboratory
Interior
Roadside
Wall
16
Water
a. Check for security of
Brackets are loose.
Deminera-
mount brackets.
lizer
2-25
