TM 5-5420-227-24
NIGHT VIEWER LATCH REPAIR (Sheet 1 of 10)
PROCEDURE INDEX
I
PAGE
PROCEDURE
Disassembly
Cleaning and Inspection
Assembly
Soft-jawed (padded) vise
TOOLS: 7/16 in. combination box and
3/32 in. alining pin
open end wrench
Hammer
3/16 in. drive punch
Long round nose pliers
1/8 in. drive punch
1/4 in. drill bit
Flat-tip screwdriver
Thickness gage
1/2 in. combination box and
Ratchet with 1/2 in. drive
open end wrench
Knife, Pocket
1/2 in. socket with 1/2 in. drive
Cotter pin
SUPPLIES: Dry cleaning solvent (Item 15, Appendix D)
Teflon washers
Rags (Item 12, Appendix D)
Lockwasher
Pencils (Item 24, Appendix D)
Shims
Paper (Item 25, Appendix D)
Self-locking nut
Goggles (Item 22, Appendix D)
Rubber gloves (Item 23, Appendix D)
PERSONNEL: Two
PRELIMINARY PROCEDURE: Remove night viewer latch (page 3-32.1).
DISASSEMBLY:
1.
Carefully press release lever and allow mechanism to unwind about one-half turn to latched
position.
2.
If faulty part is not within operating push rod parts, proceed to step 9 and remove parts as an
assembly.
3.
Using 1/8 inch punch and hammer, drive
PU SH
pins (A) flush with pivot (B). Then use 3/
inch alining pin to drive pins out of pivot
RELEASE
-
LEV ERt
Go on to Sheet 2
3-32.6 Change 1