MTS Tension Compression Grips - Manual (Page 13)

Operation 2-7
Thread adapter
onto specimen
Slide coller over
adapter
Install assembly
into pilot of base
Secure with socket
head cap screws
Ensure equal
measurement all
the way around
Figure 2-4. Threaded Specimen Installation (Lower Grip)
10. Slide the upper collar over the end of the specimen and let it
rest on the lower collar.
11. Thread the adapter onto the specimen until approximately 3
threads are showing on the opposite end.
WARNING
Failure to zero dc error will result in sudden actuator
movement.
This can cause injury to personnel and/or damage to
e q u i p m e n t .
Do not apply system hydraulic pressure with other than zero dc error
(command = feedback).