TM 9-1240-380-34
WINDOW AND PREFORMED PACKING INSTALLATION
TOOLS: #0 cross tip screwdriver (Phillips type)
SUPPLIES:
Dry cleaning solvent (item 13, App. A)
Adhesive ( item 1, App. A)
PERSONNEL: One
REFERENCES: JPG 41C for
Using sealing compound
Using adhesive
Cleaning
EQUIPMENT CONDITION: Head assembly on work bench
Procedure
Put adhesive on rear surface of preformed packing (l) (JPG).
Install preformed packing (1) in head assembly (2).
Using cloth and cleaning solvent, wipe off excess adhesive from head assembly (2)
(JPG).
Put a bead of sealing compound in groove of observation window mounting surface (3)
(JPG).
Put a small amount of sealing compound on threads of eight screws (4) (JPG).
With bevel side up, position observation window (5) against mounting surfaces (3).
While holding four clamps (6 and 7) in place with bevel side against observation
window, use screwdriver to put in and tighten screws (4).
Using cloth and cleaning solvent, wipe off excess sealing compound from observation
window (5) (JPG).
NOTE
FOLLOW-ON MAINTENANCE:
END OF TASK
Vol II