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The amount of movement at the machine feet (expressed in either mils or millime-
ters (mm), depending on the analyzer units) is displayed in the upper section of
the screen. If the movement is positive (to the left — viewed from the outboard end
of the right machine looking towards the left machine) it displays below the
machine. If the movement is negative (to the right — viewed from the outboard end
of the right machine looking towards the left machine) it displays above the
machine. In addition to the amount of movement, an arrow representing the
direction of movement is also displayed at the machine feet where machine moves
are to be made.
As the machine is moved, the bull's-eye target displayed in the lower section of the
screen provides a continuous update of the alignment condition with respect to teh
tolerance values defined for the job. If the tolerance condition is greater than 2
times the acceptable tolerance, then the outer band will be red. If the tolerance
condition is 1 to 2 times the acceptable tolerance, then the middle band will be
yellow. If the tolerance condition is less than the acceptable tolerance, but greater
than the excellent tolerance, then the center band (bull's-eye) will be green. If the
tolerance condition is less than the excellent tolerance, then the center band will
have a black star displayed in it. Refer to the Tolerances section on page 3-193 for
more information.
When the Enable Alert option is enabled, the analyzer LED will flash during the live
move when the machine alignment condition reaches the target tolerance values.
Increasing and decreasing flash rates indicate when the machine alignment crosses
through the acceptable and excellent tolerance condition thresholds described
above. The number of flashes and flash rate will be consistent with the audible tone
generated when the machine alignment condition reaches the target tolerance
values. Refer to the Job Flow section on page 3-42 for more information.
3-152
Caution!
Do not loosen the machine feet hold down bolts until after the live move has been
started. Loosening the hold down bolts prior to starting the live move can cause
the move to be incorrect.
Horizontal Alignment
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