TM 5-5420-228-24
DRIVER'S HATCH NIGHT VIEWER LATCH REPAIR (Sheet 1 of 10)
PROCEDURE INDEX
PAGE
PROCEDURE
Disassembly
Cleaning and Inspection
Asembly
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
1/2 in. socket with 1/2 in. drive
SUPPLIES: Dry cleaning solvent (Item 15, Appendix D)
Rags (Item 12, Appendix D)
Shims
Pencils (Item 22, Appendix D)
Cotter pin
Teflon washer
Lockwasher
PERSONNEL: Two
Remove right viewer latch (page 3-266)
PRELIMINARY
PROCEDURE:
DISASSEMBLY:
1.
Carefully press release lever and allow mechanism to unwind about one-half turn to latched
position.
If faulty part is not within operating push rod parts, proceed to step 9 and remove parts as an
2.
assembly.
3.
Using 1/8 inch punch and hammer, drive
PUSH
pins (A) flush with pivot (B). Then use 3/
inch alining pin to drive pins out of pivot
Go on to Sheet 2
TA251767