TM 55-1520-240-23-10
16-24
DISASSEMBLE AND INSPECT FORWARD OR AFT CARGO HOOK (AVIM)
(Continued)
16-24
Trunnion shaft contains spring loaded
plunger. Be careful when removing
springs and plunger, to prevent injury
to personnel or damage to equipment.
43.
Release springs (94 and 95) and plunger (96)
as follows:
a.
Position load beam (92) upright. Place
several layers of cloth over trunnion shaft (91)
and load beam (92). Use cloth (E120).
b.
Tap one end of trunnion shaft (91) until
plunger (96) and two springs (94 and 95) are
released. Use soft faced hammer. Remove
cloths after plunger is released.
44.
Remove trunnion shaft (91) from load beam (92).
Remove springs (94 and 95) and plunger (96)
from trunnion shaft (91).
44.1.
Inspect bearing surfaces of trunnion shaft (91)
and load beam (92). There shall be no cracks,
nicks, or gouges. Insert trunnion shaft in load
beam. There shall be no binding.
INSPECT
44.2.
Measure outside diameter of trunnion shaft (91)
at two places (96.1). Diameter shall not be less
than 0.991 inch.
44.3.
Measure distance from tip of load beam (92)
to farthest flat of trunnion shaft bore (96.2).
Distance shall not be less than 7.219 inches.
44.4.
Inspect tip (96.3) of load beam (92). Tip shall not
be scraped or gouged.
45.
Remove dust cover (97) from rear case (66).
46.
Remove sealant from hole (98). Use hand held
No. 30 drill bit.
47.
Remove pin (99) from hole (98). Use 1/8 inch
pin punch. Drive pin from outer side of rear plate
(66).
16-128
