15. Use one hand to insert the collet into the spindle, and then
turn in the drawbar.
Figure 2-9: Drawbar assembly installed in the spindle motor
cabinet.
16. Hand tighten the drawbar.
17. Use one hand to insert an empty Tormach Tooling System®
(TTS®) tool holder into the collet, and then use an adjustable
wrench to tighten the collet into the drawbar.
18. Use two large, adjustable wrenches to tighten the Power
Drawbar until the spring washer stack is compressed to a
height of 20 mm.
Figure 2-10: Example of a correctly compressed spring
washer stack.
NOTICE! After the initial installation, you must
complete a final drawbar tension adjustment. For
more information, go to "Adjust the Drawbar Tension"
(page9). If you don't complete a drawbar tension
adjustment, there's a risk of tool pull-out.
19. Identify the Power Drawbar cylinder assembly provided.
20. Identify the Power Drawbar mounting surfaces inside of the
spindle motor cabinet as shown in the following image.
Figure 2-11: Power Drawbar mounting surfaces inside of the
spindle motor cabinet.
21. Put the Power Drawbar cylinder assembly on the mounting
surface.
Figure 2-12: Power Drawbar cylinder assembly inside of the
spindle motor cabinet.
22. Identify the 10 mm shoulder screw provided, and then put
anti-seize on its threads.
©Tormach® 2018
Specifications subject to change without notice.
Page 6 tormach.com
TD10541: Owner's Guide: 770M® Power Drawbar (0618A)
TECHNICAL DOCUMENT
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