Huvema HU 30 CROSS-4, Руководство пользователя

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(b) When need to working large parts,loosening the locking
handles,rotating the lifting table of 180 º, then tighten the
handles,and place the part on the base to work on it.
QUILL RETURN SPRING ADJUSTMENT:
Spring tension for return of spindle , after hole drilling,has been
pre-set at the factory.No futher adjustment should be attempted unless
absolutely necessary. Adjustment will probably br 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 uo 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.