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TM 9-2350-287-20-2
15-45. COMMANDER’S CUPOLA PERISCOPE HOOKS AND GASKET REPLACEMENT.
This Task Covers:
a. Removal
b. Installation
Initial Setup:
Tools/Test Equipment:
l Cotter pin (Item 16, Appendix H)
l General mechanics tool kit (Item 24,
l Gasket (item 71, Appendix H)
Equipment Conditions:
Materials/Parts:
l Vehicle parked on level ground (refer to
l Adhesive, rubber (Item 5, Appendix D)
TM 9-2350-287-10).
l Drycleaning solvent (Item 28, Appendix D)
l Commander’s periscope removed (refer to
l Rag (Item 56, Appendix D)
TM 9-2350-287-10).
a.
1.
2.
3.
4.
5.
NOTE
The commander’s cupola has two periscope hooks, which are replaced the same way.
Replacement of only one is shown.
REMOVAL
Pull down on commander’s cupola periscope hook (3) and remove cotter pin (1) from periscope hook (3)
Remove periscope hook (3) from bottom of housing
(2).
Use care when removing spring. Spring is
under tension and can act as a projectile when
released and could cause severe eye injury.
Remove washer (5) and spring (4) from opening in
side of housing (2).
Remove gasket (7) from cupola body mounting
surface (6). Discard gasket.
Drycleaning solvent P-D-680 is toxic and
flammable. Always wear protective goggles
and gloves, and use only in a well-ventilated
area. Avoid contact with skin, eyes, and
clothes, and DO NOT breathe vapors. DO NOT
use near open flame or excessive heat.
Clean dirt and adhesive from cupola body mounting
surface (6) with drycleaning solvent and rags.
15-109
Appendix I)
through opening in side of housing (2). Discard cotter pin.
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