MTS Landmark Floor Standing - Manual (Page 59)

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 (100–10,000 psi). The Grip Pressure Adjust 3
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.
Controls the locking and unlocking of the crosshead. The crosshead
must not be moved while it is clamped. Crosshead Lock/Unlock
Control 4
Controls the movement of the crosshead. The control raises and lowers
the crosshead. The crosshead must not be moved while it is locked. Crosshead Positioning
Control 5
Removes the hydraulic power and stops the test program. Press this
button to remove hydraulic power, and twist the switch clockwise to Emergency Stop 6
release it. Use the Emergency Stop button to shut down your test if
something unexpected should happen.
Controls actuator velocity. There are two positions: one for reduced
fluid flow to the actuator resulting in slow speed of the actuator rod for Actuator Velocity Limiting
Switch 7
specimen installation, and one for full fluid flow resulting in normal, high
speed testing operation.
The handset has an encoder and buttons to help you during specimen
installation and test execution. The handset also has an alphanumeric
display and LEDs to provide feedback. Handset 8
370 Load Unit: Crush Point Hazards
It is important to stay clear of any potential crush points when the system is operating. Know where the crush
points are in your system and protect yourself and others from those crush points with appropriate safety
devices. The following paragraphs describe crush points and precautions to take while working around crush
points.
MTS Landmark™ Floor Standing Load Units Product Information 59
Operation