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TM 9-2350-287-20-2
15-48. COMMANDER’S CUPOLA RACE RING REPAIR (continued).
4.
5.
6.
d.
1.
2.
3.
4.
5.
6.
7.
8.
9.
Inspect three race rings (9, 10, and 13) and bearing shield (16). Replace if cracked or distorted.
Inspect threads in three race rings (9, 10, and 13) and bearing shield (16), and in body and ring assembly (7).
Retap threads if damaged.
Inspect cushioning pad (8). Replace if torn or missing.
ASSEMBLY
WARNING
Adhesive causes immediate bonding on contact with eyes, skin, or clothing and also
gives off harmful vapors. To avoid injury or death wear protective goggles, keep away
from open fire, and use in a well-ventilated area. If adhesive gets in your eyes, try to
keep them open, flush them with water for 15 minutes, and get medical attention.
If removed, apply adhesive to cushioning pad
(8) and install cushioning pad (8) on body and
ring assembly (7).
Apply adhesive to mating surface of outer race
ring (9) and body and ring assembly (7).
NOTE
Slot on inside of each ring must
be in line when rings are
assembled.
Install outer race ring (9) on body and ring
assembly (7) with 12 new Iockwashers (18) and
screws (17).
Install upper race ring (10) on body and ring
assembly (7).
Apply grease to ledge on upper race ring (10).
Install 128 light-colored ball bearings (11) and
128 dark-colored ball bearings (12) in alternating
order on lower race ring (13).
Install lower race ring (13) and 12 screws (14) on
body and ring assembly (7).
Install bearing shield (16) and 12 screws (15) on
body and ring assembly (7).
Turn over body and ring assembly (7).
15-122
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