TM 9-243
USING AN ADJUSTABLE SNAP GAGE
Before an adjustable snap gage can be used to check
parts, the GO and NO GO buttons, pins, or anvils must
be set to the proper dimensions.
1
The snap (1) gage must first be clamped in a holder.
NOTE
Adjust the “GO” dimension first as shown
in the illustration, or if desired, reverse the
procedure and adjust the “NO GO” di-
mension first.
2
Loosen the locking screw (2) and turn the adjusting
screws (3) until the dimensions (4) is set.
3
4
5
NOTE
The desired dimension may be taken from
a master disk, a precision gage block, or a
master plug.
Turn the other adjusting screw (3) until the “NO GO”
dimension (5) is set.
After adjusting for proper dimensions with the
master precision piece (6) in place, tighten the
locking screws (2).
Recheck to make sure the dimensions have not
changed before using the gage.
15-5
