MTS Axial Extensometers - Manual (Page 28)

Configuration 28
10. Place one edge of a machinist’s square against the front edge of the
top extensometer arm. Adjust the attachment adapter until the
alignment rod contacts the perpendicular edge of the square.
.
11. To align the alignment rods vertically, place the flat surface of the
machinist’s square against the alignment rod in the upper
attachment adapter. Adjust the lower attachment adapter until both
alignment rods are resting against the surface of the square.
Attachment Adapter Alignment
12. If straight knife edges are being used, place the flat surface of the
machinist’s square across the face of both knife edges to ensure
that both edges are parallel to each other.
13. Being careful not to change the attachment adapter alignment, use
a small adjustable wrench to grasp the attachment adapter.
Perpendicular
Alignment of
Rod and Square
90o
Slider
Spring
Attachment
Adapter
Square
Square with the flat
surface against the
upper alignment rod.
Alignment
Rod
Vertical Alignment of
Alignment Rod
Adjust the lower
attachment adapter until
the alignment rod rests
against the square.