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SKU 04019 PAGE 8
10. The Lathe Spindle (part #23) turning speed is adjustable and allows the operator
to run the Spindle speed at either 130 RPM, 200 RPM, 350 RPM, 560 RPM,
920 RPM, 1,500 RPM, 2,450 RPM, AND 4,000 RPM. The correct speed de-
pends on the diameter and hardness of the workpiece. The larger the workpiece,
the slower the speed. The harder the workpiece, the slower the speed.
(See Figure F.)
ASSEMBLY AND OPERATING INSTRUCTIONS
To Assemble The 3-Jaw Chuck For A Workpiece Up To 1” Diameter:
1. Workpieces with a diameter of up to 1” should be gripped with the internal jaws
of the 3-Jaw Chuck (part #67). (See Figure D.)
2. If necessary, reverse the jaws for internal gripping. To do so, unscrew, remove,
and clean each of the three jaws. Turn the knurled tension ring until the begin-
ning of the spiral thread comes to the respective groove. (See Figure D.)
3. The jaws are then inserted in the following order: (See Figure D.)
A. Jaw #1 is inserted in reverse in groove #1, then rotate the tension ring.
B. Jaw #2 is inserted in reverse in groove #2, then rotate the tension ring.
C. Jaw #3 is inserted in reverse in groove #3, then rotate the tension ring.
3
3
2
2
1
1
PIN
PIN
FIGURE D
CAPACITY
UP TO
1”
4. Once the three jaws are securely attached to the 3-Jaw Chuck (part #67), center
the end of the workpiece within the three jaws. Insert the two Pins (included) in
the 3-Jaw Chuck, and securely tighten the jaws onto the workpiece.
CAUTION: Make sure to remove the two Pins from the 3-Jaw Chuck once
the jaws have been tightened.
(See Figure D.)
WORKPIECE
3-JAW CHUCK
(#67)
JAW
JAW JAW