Setup And Adjustments; Removing The Chuck And Arbour; Changing Spindle Speeds - Jet JDP-840VADT Operating Instructions Manual

Fig 11
1) Set the feed select switch (Z, Fig 3)
to "0" position.
2) Set the select switch (S, Fig 2) to
the "Tapping" position.
3) Loosen the scale ring lock knob (D,
Fig 11).
4) Tighten the downfeed handle lock
knob (E, Fig 11).
5) Set the depth stop (Q) to the
desired position.
The spindle will auto-reverse at this
point.

7. Setup and adjustments

General note:
Setup and adjustment work may
only be carried out after the
machine is protected against
accidental starting.
Push the E-stop button, pull the
mains plug!

7.1 Removing the Chuck and Arbour

Disconnect from the power source.
Push the E-stop button!
Lower the quill using the down feed
handle.
Lock the quill in lowered position by
installing the supplied index pin (A, Fig
12) sichern.
Fig 12
Rotate the spindle to align the key in
the spindle with the key hole in the
quill.
Insert the drift key into the aligned
slots and tap lightly.
We recommend to use the rapid drift
key (Fig 13).
JET article number: 10002086
Fig 13
Hold the chuck and arbour assembly
by hand (or a protected table) as it
falls away from the spindle.

7.2 Changing Spindle Speeds

Two different speed ranges can be
selected on the gearbox (C, Fig 1).