Soft foot is a condition in
which one of the feet does not sit flat on the base. The foot or the base may have
been warped. When you tighten the bolt on the foot, the machinery will distort.
Parallel Soft Foot
Angular Soft Foot
How to check for Soft Foot
1. Move indicators to 12 o'clock
position, depress indicators and then zero.
2. Loosen one base bolt. If indicator moves away
form zero, place the
shims that will slide under that foot. Retighten bolt and
the dial indicator needle does not move.
3. Repeat this procedure for the remaining feet.
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