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 TM 55-1905-222-14
Operator Preventive Maintenance Checks and Services (Continued)
B-Before
A-After
M-Monthly
D-During
W-Weekly
Equipment is Not
PROCEDURES
INTERVAL
ITEM
Item To Be
Ready/Available If:
Check for and have repaired
NO.
Inspected
or adjusted as necessary
B
D
A
W
M
a. Bulbs
Turn on power at distribution
panel. Turn switch to on posi-
bon. Visually inspect all naviga-
ton lights for proper operation
Replace burned out bulbs (para
b. Lenses
Inspect for cracks, watertight in-
tegrity and obstructions Re-
place lens housing if lens is
cracked (para 3-4)
c. Fixtures
Check fixtures for secure
and
mounting to mast and pilot-
Switches
house Check switches for
looseness or malfunction; re-
place fixtures and/switches as
necessary (para.4-7)
d. Horn
Check operation of horn and
watertight integrity
9
Search
Light
a. Bulb and
Check search light for proper
Light is inoperative
Reflector
operation Inspect reflector
Glass
glass for cracks, Replace
burned out bulbs or cracked
glass as necessary (para 4-8)
Clean reflector glass if neces-
sary
b. Fixture
Check fixture for free movement
and full range of motion Lubri-
cate as necessary Ensure fix-
ture is securely mounted; tight-
en mounting hardware as nec-
essary Replace damaged
search light (para 4-8)
10
Mast
Inspect mast and mast support
Mast is cracked or
for cracks, dents and other ma-
dented to a degree that
jor material defects Replace
will affect its strength
(para 4-20) as necessary
Check mast for rust or evidence
of paint deterioration. Remove
paint and rust and spot paint as
necessary Check locking pin for
ease or removal. Lubricate
hinge assembly and loclkng pin
as necessary
Change 6
2-21
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