Chapter 4 Angular Measurements
Angular Position Measurements
Measurements Reference Guide 4-71
Clutch breakaway nut
If the clutch breakaway-nut breaks, order a replacement clutch
breakaway-nut (Agilent part number 55290-67002).
CAUTION To prevent damage to your machine or the measurement apparatus, do
not use any other type of device in place of the clutch breakaway-nut.
The clutch breakaway-nut O-ring is provided as a reminder to loosen the
clutch breakaway-nut before you make a measurement. It does not
contribute to the strength of the breakaway nut itself. If the O-ring breaks
or is lost, you may continue to use the breakaway nut. The O-ring is not
separately replaceable; it is supplied as part of the clutch breakaway-nut
(Agilent part number 55290-67002).