Fault Fi Nding - Renishaw MH8 Manuel De L'utilisateur

8 Fault fi nding
Refer also to the appropriate user's guide for the probe.
Loss of measuring accuracy
Possible causes
Mounting not secure.
MH8 not fully locked.
Excessive force imparted to
probe after locking.
MH8 overloaded.
Faulty probe.
MH8 worn or damaged.
Axes 'rattle' when rotated
Possible causes
MH8 not fully unlocked.
Fault fi nding
Remedy
Check that the MH8 is correctly
mounted to the shank and that
the screws are secure. Check
the clamping mechanism in the
CMM quill.
Ensure that the lock lever is
turned fully clockwise.
Unlock and re-lock the MH8.
Use only with the specifi ed
probe and extension
combinations.
Check by substitution.
Check by substitution or return
to Renishaw or your supplier.
Remedy
Turn lock lever fully anti-
clockwise before attepting to re-
orientate probe.
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