Quill Return Spring Adjustment - Jet JMD-50LPFD Owner's Manual

(1) Before Operation
(a) Fill the lubricant
(b) In order to keep the accurate precision, the table must be free form dust
and oil deposites.
(c) Check to see that the tools are correctly set and the workpiece is set
firmly.
(d) Be sure the speed is not set to fast.
(e) Be sure everthing is ready before use
(2) After Operation
(a) Turn off the electric switch.
(b) Turn down the tools.
(c) Clean the machine and coat it with lubricant.
(d) Cover the machine with cloth to keep out the dust.
(3) Adjustment of head
(a) To raise and lower the head,loosen the leaf screw located on the right side
of the raise and lower base.When the desired height is reached tighten
leaf screw to avoid vibration.
(b) Unscrew 3 nuts while the workpiece needs to be bevel turn to the degrees
you wish on the scale,then screw the 3.

QUILL RETURN SPRING ADJUSTMENT:

Spring tension for return of spindle , after hole drilling,has been pre-set at
the factory.Nofuther 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
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