MTS 709 Alignment System - Manual (Page 89)

Get Specimen Offset Values
709 Alignment System Specimen Offsets 89
3. Establish the bent front offset reading.
Because load train components cannot be perfectly machined, some initial
offsets are inherent. Establishing bent front values allows the 709 Alignment
System to take this into account during the alignment adjustments.
A. Select the Bent Front tab.
B. Install and clamp the specimen in the standard orientation; that is
install the specimen such that gauges G4, G8, and G12 are facing
toward the front on the load unit with G4 being the top gauge.
C. Click the Read button to take a reading.
D. Click the Add button to save the values.
E. Unclamp and clamp the lower grip.
F. Repeat steps C, D, and E until you have saved three sets of bent front
values.
G. Unclamp and clamp the upper grip.
H. Click the Read button to take a reading.
I. Click the Add button to save the values.
J. Repeat steps G, H, and I until you have saved three sets of bent front
values.