NIGHT VIEWER LATCH REPAIR (Sheet 7 of 10)
13. Place new teflon washer (P) on shaft (F).
Do not install spacer (Q) at this time.
N OT E
I n s e r t 1 /8 inc h punc h in t o o l i n g
hole in fla nge of sha ft (F). Push
ba c k on punc h a ga inst spring
pre ssure unt il hole in e nd of sha ft
(F) is up a nd dow n. H a ve one
pe rson hold punc h w hile a not he r
doe s st e p 1 4 .
14. Place handle (M) on shaft (F), and insert
shank end of 1/4 inch drill through handle
and shaft to temporarily retain handle.
15. Move shaft back and forth. Using feeler
gage, measure maximum clearance between
handle (M) and teflon washer (P). Clearance
should be between 0.005 and 0.040 inch.
If OK go to step 17. If not, record clearance
in excess of .040 inch, and go to step 16.
A new spacer is 0.094 inch thick,
and each lamination is 0.002 inch
1 6 . To determine size of new spacer (Q) required, a d d 0.018 inch to the excess clearance
Peel off laminations from new spacer (Q) until required size is
determined in step 15.
Go on to Sheet 8
3-32.12 Change 1