TM 55-1520-240-23-3
3-50
REPAIR UPPER DRAG LINK (AVIM)
(Continued)
3-50
REMOVE BEARINGS
4.
Place link (1) in an arbor press. Use the press to
remove bearing (2 or 3) (TM 55-1500-322-24).
5.
Clean bores (4 and 5) of link (1). Use acetone
(E20) and clean cloths (E120). Wear gloves
(E184.1).
REPAIR BEARING BORE
6.
Measure diameter of bore (4 and 5) at several
places. If all measured diameters are 1.376
inches or less, go to step 7. If diameter at any
one place is greater than 1.376 inches, replace
bearing as follows:
a.
Enlarge bore (4 or 5) to 1.4995 to 1.5000
inches.
b.
Counterbore bore (4) to 1.4995 to 1.5000
inches, to within 0.005 inch of shoulder
(8). Radius (9) at shoulder shall be 0.010 to
0.015 inch.
c.
Chamfer edges of enlarged bore (5) and
counterbore end of bore (4) 0.032 inch by
45º.
d.
Coat liner (E-53) (6 or 7) with epoxy primer
(E292). Wear gloves (E184.1).
e.
Install liner (6 or 7), wet with epoxy primer
(E292), in bore (4 or 5). Use arbor press
(TM 55-1500-322-24). Press liner in flush
with link (1).
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