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Set Crosshead Travel Limit Stops
Set Crosshead Travel Limit Stops
The crosshead travel limit stops are a safety feature that
you should set after establishing gauge length and before
starting a test. Refer to the load frame manual for your sys-
tem for the location of these devices.
If a system failure prevents the crosshead from stopping
automatically at gauge length (or at optional electronic
limits), the travel limit stops will be contacted by an ac-
tuator on the crosshead, a limit switch will open, and the
crosshead will stop.
Caution
Set the upper limit stop to a point just beyond the ex-
pected maximum travel (extension) in the UP direction
when tension testing, or just before gauge length when
compression testing. Tighten the stop securely on the
limit switch rod.
Set the lower limit stop to a point just beyond the ex-
pected maximum travel (extension) in the DOWN direc-
tion when compression testing, or just before gauge
length when tension testing. Tighten the stop securely on
the limit switch rod.
5-34
Always set the crosshead travel
limit stops before starting a test.
M10-94400-1
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