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.
The snap (1) gage must first be clamped in a holder.
Adjust the GO dimension first as shown
in the illustration, or if desired, reverse the
procedure and adjust the NO GO di-
Loosen the locking screw (2) and turn the adjusting
screws (3) until the dimensions (4) is set.
The desired dimension may be taken from
a master disk, a precision gage block, or a
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.