DRIVER'S HATCH NIGHT VIEWER LATCH REPAIR (Sheet 7 of 10)
Place teflon washer (P) on shaft (F). Do
not install spacer (Q) at this time.
Insert 1/8 inch punch in to
ing hole in flange of shaft (F).
Push back on punch against
spring pressure until hole in
and of shaft (F) is up and
down. Have one person hold
punch whiie another does
Place handle (M) on shaft (F), and insert
1/4 inch drill through handle and shaft to
temporarily retain handle.
Move shaft back and forth. Using feeler
gage, measure maximum looseness
between handle (M) and teflon washer (P).
S p a c e r is 0.094 inch thick,
and each lamination is 0.002
Peel off laminations of spacer (Q) to provide a looseness (step 15) of between 0.005 inch and 0.040
Material thickness which must be removed from 0.094 inch
stock spacer is found by subtracting required spacer size from
0.094 inch. Required spacer is found by:
A. Measuring space between teflon washer (P) and handle
B. Subtracting 0.018 inch from space measured between
teflon washer (P) and handie (M).