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 Preventive Maintenance Checks and Services
Table 2-1.
A - Annually
S - Semiannually
Q - Quarterly
M - Monthly
D - Daily W - Weekly
Items To Be
Interval
Item
Procedures
Inspected/
No.
D
W
M
Q
S
A
Serviced
DOORS, HATCHES, AND MANHOLES/WINDOWS GROUP
Rotary Window
q
62
CONT
(4) With window and heater operating, visually check
to make sure that the drain holes in the bottom of
the air chamber between the two glass panels are
free from obstructions
(5) If drain holes are plugged, refer to PMCS, Item
64, step a.(2) and (3).
NOTE
The glass should be clean
inside and out to maintain
maximum visibility.
Visually check glass panels for cleanliness; if
(6)
dirty see PMCS Quarterly for corrective action.
q
Quick Action
63
Inspect moving parts for wear or damage.
a.
Doors
Lubricate teeth of gear sectors, racks, pinions,
b.
ratchets, pawls and cranks.
q
a. Clean Glass Panels and Unplug Drain Holes.
Rotary Window
64
(1) Remove the spinning frame assembly (para. 3-
194).
(2) Using a small piece of wire, poke out any
obstructions in the drain holes.
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