Jet ETM-949, Operating Instructions Manual

Page: 17 / 52

17 ETM–949 | ETM–949EVS
9.16 DRAW BAR OPERATION - CHANGING
TOOLING
1. Using the wrench provided with the machine, loosen
the draw bar two or three turns (turn counterclockwise)
using the draw bar hex (Figure 16).
2. Tap the top of the draw bar with a soft-faced hammer
to loosen the collet from the taper.
3. Remove the tool from the collet.
4. Insert the tool you are going to use into the collet.
5. Tighten the draw bar firmly using the wrench provided
with the machine. Turn the draw bar. The tool is now
ready for use.
9.17 CLAMPING WORK PIECE TO THE TABLE
1. The worktable has 5/8-inch T-slots for clamping the
work piece to the table.
2. Set motor switch to STOP position.
3. Place the work piece on the table.
4. Clamp the work piece using the T-slot clamps, studs,
and step blocks as required (Figure 17).
10.0 ADJUSTMENTS
10.1 MILL HEAD – LEFT/RIGHT ADJUSTMENT
1. Loosen four large hex nuts that secure the mill head
to the ram adapter (refer to Figure 18).
1/4 turn should be sufficient to allow the head to
move.
NOTE: For angles greater than 10 degrees, use your
free hand to support the mill head, taking some weight
off the brass worm gears. Doing so will greatly length-
en the life of the worm gears.
Workpiece
Clamp stud
Clamp
nut
Clamp
support
Stud
slot
Table
Table
T-slot
Clamp stud
T-slot block
Typical T-slot Clamp Set-up
Fig. 17
!
Make sure the machine base is secured to the floor
before repositioning the mill head. The center of
gravity can shift enough to cause the machine to tip
over, resulting in serious injury to the operator and
damage to the machine.
Fig. 16
Drawbar Hex
Fig. 15
E
J
F
G
H
K
B
C
D