TM 55-1905-220-14-9
4-75. CONNING TOWER AND AIRPORTS - MAINTENANCE INSTRUCTIONS (Continued).
LOCATION
ITEM
ACTION
REMARKS
REPLACE/REPAIR (Cont)
4. Airports
a. Selflocking
Replace.
As required.
nut (9)
b. Hexhead cap
Replace.
As required.
screw (10)
c. Airport w/I8
Repair or Replace.
As required.
mesh screen
and cover
(11)
d. 1/4 inch
Replace.
As required.
twist chain
link (12)
e. Eyebolt (13)
Replace.
As required.
f. Hook (14)
Replace.
As required.
g. Ring nut
Replace.
As required.
(15)
h. Shoulder
Replace.
As required.
stud (16)
i. Spring pin
Replace.
As required.
(17)
j. Selflocking
Replace.
As required.
nut (18)
k. Screw (19)
Replace.
As required.
l. Screw (20)
Replace.
As required.
m. 26x15 inch
Replace.
As required.
fixed window
(21)
n. Sliding
Replace.
As required.
vertical
window (22)
o. Wing nut
Replace.
As required.
(23)
Change 1
4-1508