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return spring
the spring's tail is located on the perim-
eter of the spring housing. this part may
be sharp! use leather gloves or a heavy
shop towel to cover the tail while loading or
unloading return spring pressure. failure
to use such precautions may result in per-
sonal injury.
the spring tension for automatic quill recoil has
been pre-set at the factory. it should not need
adjustment under most normal circumstances. if
it does need adjustment, the spring housing is
located on the left side of the head.
to adjust the spring tension:
1.
disConneCt MAChine FroM poWer!
2.
put on sAFety glAsses!
3.
loosen the black thumb knob two or three
turns (figure 41).
spring Cover
thumb Knob
figure 41. spring cover.
do not completely remove the cover! if
you remove the spring cover, the spring
will uncoil rapidly and create a great risk
of injury.
g3358 Milling/drilling Machine
roll pin
4.
put on gloves and pull the spring cover out
enough so the notches just clear the roll pin.
hold the spring cover tightly or the force of
the spring will spin it out of your hands.
5.
rotate the cover to adjust the tension. push
the cover back in to engage the roll pin in one
of the notches (figure 42).
figure 42. Adjusting spring tension.
6.
tighten the black thumb knob.
Quill
the internal quill pin is a set screw and has been
pre-adjusted at the factory. it should not need
adjustment under normal circumstances.
the slotted set screw on the left side of the head
is used for limiting the amount of rotational play
in the quill body. loosening the check-nut and
tightening the set screw reduces this play in the
quill.
if you are worried that you might have excessive
quill play, spindle looseness or if an accident has
occurred that requires re-adjusting this set screw,
contact technical support for advice on how to
perform this service properly.
notch
-33-
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