Replacement of Peepsight

TM 11-5905-334-34

penetrate. If the solvent is taken in-

dissolves

TRIFLUOROETHANE

ternally, consult a physician im-

natural oils, prolonged contact with the

mediately.

skin should be avoided. When necessary

use gloves that the solvent cannot

Figure 2-12. Upper guy ring assembly, exploded view, AB-621A/G.

2-19. Replacement of Peepsight

d. Separate and clean the guy ring race (5),

bearings (6), and casing (7) with trichlorotrifluoro

ethane.

a. Replace the peepsight mount (1) on the

e. To reassemble the parts, pack the outer wall

peepsight (3) by removing the groove pin (2) from

and flange of the guy ring race with Grade 2

the threaded section of the peepsight mount and

graphite grease per Federal Specification

remove the knurled nut (4).

VV-G-671.

b. Secure the peepsight mount in a vise to drive

f. Stick 26 bearings (6) against the greased outer

the groove pin out of the hole in the threaded sec-

surface and flange of the guy ring race.

tion.

g. Replace the casing (7) over the bearings.

c. Start the pin movement with a 1/4-inch (0.250)

h. Scrape off the excess grease extruded by

pin punch to break the groove grip.

placement of the casing and replace the guy ring

d. Continue driving the pin out using a 1/16-inch

plate.

(0.063) pin punch.

i. Turn the assembly over and replace the cover

e. After reassembly of the peepsight, mount, and

(4) lockwasher (2), flat washer (3), and screws (1).

nut, drive the groove pin into the hole until it

j. After tightening the screws, wipe the assembly

projects equally on both sides of the threaded

clean with a cloth.

section.

2-19