The Turbo Air® 3000 Centrifugal Compressor Compressor Handbook
The Turbo Air® 3000 Centrifugal Compressor Compressor Handbook
The Turbo Air® 3000 Centrifugal Compressor Compressor Handbook
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Maintenance<br />
4. Move the coupling center spool back and forth to verify free movement. (Total travel should be<br />
0.160” or 4 mm.)<br />
5. Remove the grease fittings, and then replace all plugs.<br />
6. If the center spool does not move freely, correct the interference as follows:<br />
· Remove the center spool.<br />
· Disassemble the sleeves.<br />
· Clean any grease from the gearhubs and sleeves.<br />
· Inspect gearhub teeth for wear; if required, replace the gearhubs and sleeves.<br />
· Re-grease and reinstall the spool.<br />
· Verify that the spool moves freely, and then reinstall the grease plugs.<br />
7. Replace the coupling guard.<br />
Drive Motor Ball Bearings Lubrication<br />
<strong>The</strong> <strong>Turbo</strong> Air <strong>3000</strong> <strong>Compressor</strong> may be equipped with a squirrel-cage induction motor with ball<br />
bearings. <strong>The</strong> ball bearing grease must be changed in accordance with the motor manufacturer’s<br />
recommendations.<br />
CAUTION:<br />
Do not use excessive amounts of grease. Over-greasing may cause bearing and/or<br />
motor failure.<br />
5—13
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