User Manual

TGMD400A-3 OPERATOR’S MANUAL
8
www.itmtools.com.au
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1
(b) When need to working large parts, loosening the locking handles,
rotating the lifting table of 180°, then tighten the handles, and
place the part on the base to work on it.
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Q
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N
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A
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Spring tension for return of spindle, after hole drilling, has been pre-set
at the factory. No further adjustment should be attempted unless absolutely
necessary. Adjustment will probably be required if a multiple spindle drilling
or tapping head is used. If adjustment is necessary, loosen lock screw while
holding quill spring housing. Do not allow the housing to turn in your hand,or
spring will unwind. Turn entire housing assembly clockwise the number of
turns necessary to cause the quill to return to its up position.(NOTE: The flat
of the spring housing pilot is lined up with the spring loading hole on the
body of the spring housing.) Reset lockscrew make sure point of
screw mates the flat on the housing journal.
(1)Preparing for Drilling(see fig.2)(Except addition power feed system).
Turn of the knob make loose the taper body of worm gear and spring
base. Then we decide spindle stroke setting the positive depth stop
gauge for drilling blind hole or free state for pass hole.