OPERATOR’S MANUAL
P 22 / 57
4、 Manual Feed : 20VB, 20VC
(1) The manual feed lever is installed on the-right side of headstock ( Fig 22, H ). The
spindle will travel vertically when the lever is turned. There are 12 positions to be
chosen. An operator can freely take out the lever and install it again at the position
deemed proper and fit.
Note : In manual feed, the feed control handle ( F ) must be placed at position ( F1 )
as shawn in ( Fig.22 ).
(2) Manual Micromotion Feed :
To effectuate the manual micromotion feed, the powerfeed transmission engagement
crank ( J ) ( Fig.22 ) shall be placed at “OUT” position, and feed reverse knob ( D ) at
the neutral position.
Feed control lever ( F ) must be pulled from ( F1 ) to ( F2 ). This is to engage the
overload clutch. Turn the feed handwheel ( E ) clockwise for quill downward feed, and
vice-versa.
Fig.22
D
F
21
F
F
E
L
J
H
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