MTS Systems Landmark 370 Series Operation page 30

System Introduction
Item Control Description
1 Upper Item 1 controls clamping and unclamping the optional upper hydraulic grip. Item
hydraulic 1A adjusts the upper grip clamping rate. Item 1B is the upper grip pressure
grip controls gage.
2 Lower Item 2 controls clamping and unclamping the optional lower hydraulic grip. Item
hydraulic 2A adjusts the lower grip clamping rate. Item 2B is the lower grip pressure
grip controls gage.
3 Grip Adjusts the amount of hydraulic pressure to the grips. The adjustment range is
pressure 1–21 MPa (100–3000 psi) or 1–69 MPa (100–10,000 psi). The highest
adjust 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.
4 Hydraulic Optional control that locks and unlocks the crosshead. The crosshead must not
crosshead be moved while it is clamped. Load frames without hydraulic locking require the
lock/unlock operator to loosen and tighten crosshead fasteners to unlock and lock the
control crosshead.
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Series 370 Load Unit Controls
Landmark™ Test System Operation