BUSCH COBRA NC 400 B Installation And Maintenance Manual
Screw vacuum pumps
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- Page 1 Supplement to the Installation - and Maintenance manual COBRA Vacuum Pump with Magnetic Coupling Screw Vacuum Pumps COBRA NC 400 B Ateliers Busch S.A. Zone industrielle 2906 Chevenez Switzerland 0870549497 / 081209 / Original instructions / Modifications reserved...
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Page 2: Table Of Contents
Safety ....... . 3 Congratulations on the purchase of your Busch vacuum pump. Whilst Intended use . -
Page 3: Product Description
30 seconds and helps to limit any risks of Operating principle possible overheating of the magnetic coupling. The COBRA NC 400 B vacuum pumps with magnetic coupling work according to the tried and tested screw vacuum pump. CAUTION The operation of the magnetic coupling pump is identical to that of the standard coupling. -
Page 4: Use In Explosive Atmosphere
WARNING WARNING Strong magnetic field: Minimum obligatory monitoring of the coupling for pumps with “ Persons wearing a pacemaker must keep outside the area of in- certification fluence of the magnetic field ” ! II 2G (i/o) IIB T3 (i/o) Danger to life Temperature of the magnetic coupling bell with the temperature Disregard of this safety instruction will always lead to accidents... -
Page 5: Maintenance
Busch service personnel only. It is strongly advised that any dismantling of the vacuum pump that goes beyond the scope of what is described in this manual should be done by specially trained Busch service staff only. CAUTION Fitting the magnetic coupling During operation the surface of the vacuum pump can exceed tem- peratures of 90°C. -
Page 6: Step 3
CAUTION Please handle the ceramic bell housing carefully to prevent dama- ging it. – Tighten up and glue the fixing screws (12) to a maximum torque of 6 Nm. 7 / 8 Dismantling the motor/ the lanterne/ the exterior coupling CAUTION Step 3 Always make sure that the vacuum pump is disconnected from the... -
Page 7: Fitting The Motor/ The Lanterne/ The Exterior Coupling
CAUTION Do not damage the magnetic coupling and any of the other com- ponents which do not need to be changed. CAUTION All maintenance work on or around the magnetic coupling must be carried out under strict adherence to safety standards. The same applies to all dismantling work on other parts of the vacuum pump. - Page 8 Note...
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Page 9: Ec-Declaration Of Conformity
NOTE: This EC Declaration of Conformity and the -marking on the nameplate are valid for the vacuum pump within the Busch scope of delivery. When this vacuum pump is integrated into a larger machinery or system, the manufacturer of the larger machinery or system (this can also be the... - Page 10 Note...
- Page 11 Note...
- Page 12 Busch – All over the World in Industry www.busch-vacuum.com Australia New Zealand Dr.-Ing. K. Busch GmbH Außenstelle Neuenrade Busch Australia Pty. Ltd. Busch New Zealand Ltd. Breslauer Str. 36 30 Lakeside Drive Unit D, 41 Arrenway Drive 58809 Neuenrade Broadmeadows, Vic. 3047...