1 Ãberschrift 1 - Audio Intervisual Design, Inc.
1 Ãberschrift 1 - Audio Intervisual Design, Inc.
1 Ãberschrift 1 - Audio Intervisual Design, Inc.
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3.3.1.2 Feed and Bottom Drive (Main Drive)<br />
motor<br />
encoder<br />
(master) biphase output encoder<br />
feed drive gear<br />
Figure 3-41 Feed / bottom drive Figure 3-42 Feed / bottom drive assembly<br />
toothed belt<br />
bottom drive gear<br />
KL2 terminal strip<br />
tachometer<br />
The belt tension should be checked from time to time.<br />
If the belt is too tight, a singing noise will be caused in shuttle operation.<br />
If the belt is too loose, it will flutter at certain speeds of revolution and the alignment<br />
will become worse.<br />
NOTE<br />
• The drive must have been adjusted in order to achieve a good and steady<br />
alignment.<br />
This adjustment is to be done on the regulating amplifier TFM060/01, EC<br />
service manual).<br />
• Maintenance and tensioning of the toothed belt, see chapter 7.2.1.3.<br />
3-38<br />
Issue: 10/2003
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