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Mills with power downfeed
Figure 3- Using the depth collar as a stop
PM-940M 0-206 v.indd
(continued)
Figure 3-0 Power downfeed controls
Fine feed
For surfacing and other milling operations calling for pre-
cise tool depth increments, use the fine control hand-
wheel.
With the spindle stationary, set the Power Feed
Engage and Feed Rate Selectors to OFF.
.
Tighten the Z-axis locks, Figure 3-4.
2.
Loosen the downfeed lever stop screw to free the
downfeed levers.
3.
Pivot the levers outward, testing for gear engage-
ment as you go (jiggle the levers as necessary to
fully engage, no gap between lever and its slot in the
lever hub).
4.
Lower the quill to the desired depth by rotating the
fine control handwheel clockwise (only).
5.
Tighten the quill locking lever.
6
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