TM 55-1520-240-23-4
5-81.1
REPLACE SHOCK ABSORBER BRACKET BUSHINGS
(Continued)
5-81.1
REAM LOWER BORE
10.
Ream the lower bore for oversize bushing as
follows:
a.
Select proper reamer (13) from Table 1.
b.
Place sleeve (14) over reamer guide pin (15).
c.
Position blade so that shavings and debris
from reamer will not fall on the reamer guide
pin. Binding may result.
d.
Insert reamer guide pin (15) through bore
in lower plate (10) and engage it in upper
bushing (1). Hand ream the bore to size. Do
not attempt to remove more than 0.010 inch
of material with one cut of the reamer.
e.
Remove equipment from the blade. Clean
the bore and surrounding area. Use clean
cloths (E120) damp with acetone (E20).
Wear gloves (E184.1).
INSPECT
INSTALL LOWER BUSHING
11.
Coat the outer surface of new bushing (2) with
epoxy primer (E292.1). Allow to air dry for 24
hours. Wear gloves (E184.1).
12.
Chill bushing (2) to -40ºF. Use a mixture of
dry ice (E92) in methanol (E243). Wear Kevlar
gloves (E187).
13.
Position pusher/puller yoke (7) on lower bracket
plate (10). Align hole in yoke with holes in
bracket plates.
14.
Place replacement bushing (2) between bracket
plates (8 and 10). Install rod (5), with nut (6),
through yoke (7), bushing (2) and upper plate (8).
15.
Thread pusher/guide (4) and rod (5) with small
pitot end toward bushing (2). Seat pusher/guide
in bushing.
5-462
