TM 9-4940-568-20
4-13
NOTE
If installing a new support arm,
transfer mark from old support
arm to new support arm.
(5)
Align matchmarks and install lower door
support arm (14) to upper platform support
arm (18).
(6)
Install plate (17) with two slotted nuts (16)
and cotter pins (15).
(7)
Install upper door support arm (7) to lower
door support arm (14) with socket head
screw (13), washer (12), washer (11) and
slotted nut (10). Tighten slotted nut to 120
lb-in (14 N.m) then back off slotted nut up
to 1/16 turn and install cotter pin (9).
15
18
17
16
14
15
16
14
7
11
14
12
13
9
10
14
7
