MTS Landmark TWX - Manual (Page 32)

Series 370 Load Unit Controls
Description Control Item
Item 1 controls clamping and unclamping the optional upper
hydraulic grip. Item 1A adjusts the upper grip clamping rate. Item
1B is the upper grip pressure gage. Upper Hydraulic Grip
Controls 1
Item 2 controls clamping and unclamping the optional lower
hydraulic grip. Item 2A adjusts the lower grip clamping rate. Item
2B is the lower grip pressure gage. Lower Hydraulic Grip
Controls 2
Adjusts the amount of hydraulic pressure to the grips. The
adjustment range is 1–21 MPa (100–3000 psi) or 1–69 MPa Grip Pressure Adjust 3
(100–10,000 psi). The highest pressure setting depends on the
maximum pressure setting. Adjust the control clockwise to increase
the hydraulic pressure. Use the pressure gage and the grip manual
to determine the necessary clamping force.
Optional control that locks and unlocks the crosshead. The
crosshead must not be moved while it is clamped. Load frames Hydraulic Crosshead
Lock/unlock Control 4
without hydraulic locking require you to loosen and tighten
crosshead fasteners to unlock and lock the crosshead.
Optional control that raises and lowers the crosshead. The
crosshead must not be moved while it is locked. Load frames Hydraulic Crosshead
Positioning Control 5
without hydraulic positioning require you to use a hoist to support
and move the crosshead.
Removes the hydraulic power and stops the test program. Press
this button to remove hydraulic power, and twist the switch clockwise Emergency Stop (E-Stop) 6
to release it. Use the Emergency Stop button to shut down your
test if something unexpected should happen.
32 | MTS Landmark Test System Operation
System Introduction