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ROTALIGN 01.2000
Advanced diagnosis & correction of soft foot
Summary
When eliminating soft foot follow these steps:
1. Check all four feet of one machine with ROTALIGN. If any of the
feet shows a soft foot reading over 8/100 mm (or 2 mils),
proceed with step 2, otherwise go to step 5.
2. Examine the largest (or two largest, if the same) soft foot with
feeler gauges to determine the type of soft foot. It never hurts to
examine the other feet as well, but concentrate on finding and
fixing the largest single problem.
3. Correct the condition diagnosed, usually by shimming only one
foot, if any.
4. Go to step 1.
5. If both machines have been checked for soft foot and are within
tolerances, perform final alignment.
If the adjoining machine is not stationary (page 4-17) then it can also
be checked for soft foot. Press the "L ? R" softkey and go to step 1.
Using the AVERAGE function while making soft foot corrections
will improve accuracy (page 4-44).
F
Note
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