BUSCH COBRA Instruction Manual
Dry screw vacuum pumps
Hide thumbs
Also See for COBRA:
- Instruction manual (52 pages) ,
- Instruction manual (36 pages) ,
- Instruction manual (36 pages)
Related Manuals for BUSCH COBRA
Summary of Contents for BUSCH COBRA
- Page 1 All manuals and user guides at all-guides.com Instruction Manual COBRA Dry Screw Vacuum Pumps NC 1000 B (water-cooled version) 0870551589/A0002_en / Original instructions / Modifications reserved 14/09/2021...
-
Page 2: Table Of Contents
7.4 Replacing the Gas Ballast Filter (Optional) ..............21 7.5 Oil Change ........................21 7.6 Cooling Liquid Change....................24 8 Overhaul..........................25 9 Decommissioning ........................26 9.1 Dismantling and Disposal....................26 10 Spare Parts ..........................26 11 Troubleshooting........................27 2 / 32 Instruction Manual COBRA NC 1000 B WCV_EN_en... - Page 3 All manuals and user guides at all-guides.com Table of Contents 12 Technical Data........................29 13 Cooling Liquid ........................29 14 Oil ............................29 15 EU Declaration of Conformity ....................30 Instruction Manual COBRA NC 1000 B WCV_EN_en...
-
Page 4: Safety
Safety Prior to handling the machine, this instruction manual should be read and understood. If anything needs to be clarified, please contact your Busch representative. Read this manual carefully before use and keep for future reference. This instruction manual remains valid as long as the customer does not change any- thing on the product. -
Page 5: Product Description
Plug for manual rotation of rotors Silencer Safety valve Thermometer Resistance thermometer NOTE Technical term. In this instruction manual, we consider that the term ‘machine’ refers to the ‘vacuum pump’. Instruction Manual COBRA NC 1000 B WCV_EN_en 5 / 32... -
Page 6: Operating Principle
Conveying of other media leads to an increased thermal and/or mechanical load on the machine and is permissible only after a consultation with Busch. The machine is intended for the placement in a non-potentially explosive environment. The machine is capable of maintaining ultimate pressure, see Technical Data [► 29]. -
Page 7: Resistance Thermometer
– Oil lubricated single mechanical seals on the motor side and labyrinth seals on the suction side. – Oil lubricated single mechanical seals on the motor side and suction side. Instruction Manual COBRA NC 1000 B WCV_EN_en 7 / 32... -
Page 8: Transport
• Wrap the machine in a corrosion inhibiting film. • Store the machine indoors, dry, dust free and if possible in original packaging preferably at temperatures between 5 ... 55 °C. 8 / 32 Instruction Manual COBRA NC 1000 B WCV_EN_en... -
Page 9: Installation
• Make sure that the cooling water complies with the requirements, see Cooling Wa- ter Connection [► 11]. If the machine is installed at an altitude greater than 1000 meters above sea level: • Contact your Busch representative, the motor should be derated or the ambient temperature limited. 5.2 Connecting Lines / Pipes •... -
Page 10: Suction Connection
Connection size(s): – DN125 PN16, EN 1092-1 If the machine is used as part of a vacuum system: • Busch recommends the installation of an isolation valve in order to prevent the machine from turning backwards. 5.2.2 Discharge Connection Connection size(s): At the machine discharge connection: –... -
Page 11: Cooling Water Connection
Materials in contact with the cooling water Stainless steel NOTE Water hardness unit conversion. 1 mg/l (ppm) = 0.056 °dh (german degree) = 0.07 °e (english degree) = 0.1 °fH (french degree) Instruction Manual COBRA NC 1000 B WCV_EN_en 11 / 32... -
Page 12: Barrier Gas System Connection (Optional)
5.3 Filling Oil NOTICE Use of an inappropriate oil. Risk of premature failure! Loss of efficiency! • Only use an oil type which has previously been approved and recommended by Busch. 12 / 32 Instruction Manual COBRA NC 1000 B WCV_EN_en... - Page 13 For oil type and oil capacity see Technical Data [► 29] and Oil [► 29]. Oil filling at the motor side Check oil level Oil filling at the suction side Check oil level Instruction Manual COBRA NC 1000 B WCV_EN_en 13 / 32...
-
Page 14: Filling Cooling Liquid
• Order it from your Busch representative. 5.4 Filling Cooling Liquid For cooling liquid type and cooling liquid capacity see Technical Data [► 29] and Cooling Liquid [► 29]. Check cooling liquid level 14 / 32 Instruction Manual COBRA NC 1000 B WCV_EN_en... -
Page 15: Fitting The Coupling
• Provide an overload protection according to EN 60204-1 for the motor. • Make sure that the motor of the machine will not be affected by electric or electro- magnetic disturbance from the mains; if necessary seek advice from Busch. • Connect the protective earth conductor. -
Page 16: Wiring Diagram Three-Phase Motor (Pump Drive)
Prior to start-up, ensure that the machine is operated in the right direction. The intended rotation direction of the motor is defined by the illustration below: • Jog the motor briefly. 16 / 32 Instruction Manual COBRA NC 1000 B WCV_EN_en... -
Page 17: Electrical Connection Of The Monitoring Devices
• Switch any two of the motor phase wires. 5.7 Electrical Connection of the Monitoring Devices NOTE In order to prevent potential nuisance alarms, Busch recommends that the control sys- tem is configured with a time delay of at least 20 seconds. 5.7.1 Wiring Diagram Resistance Thermometer Part no.: 0651 552 252... - Page 18 • After a few minutes of operation, perform a Cooling Liquid Level Inspection [► 21]. As soon as the machine is operated under normal operating conditions: • Measure the motor current and record it as reference for future maintenance and troubleshooting work. 18 / 32 Instruction Manual COBRA NC 1000 B WCV_EN_en...
-
Page 19: Conveying Condensable Vapours
CAUTION Failing to properly maintain the machine. Risk of injuries! Risk of premature failure and loss of efficiency! • Respect the maintenance intervals or ask your Busch representative for service. Instruction Manual COBRA NC 1000 B WCV_EN_en 19 / 32... -
Page 20: Maintenance Schedule
• When the machine is stopped, wait 1 minute before checking the oil level. • Make sure that the oil level is between the middle of the oil sight glass and 3mm above it. 20 / 32 Instruction Manual COBRA NC 1000 B WCV_EN_en... -
Page 21: Cooling Liquid Level Inspection
7.5 Oil Change NOTICE Use of an inappropriate oil. Risk of premature failure! Loss of efficiency! • Only use an oil type which has previously been approved and recommended by Busch. Instruction Manual COBRA NC 1000 B WCV_EN_en 21 / 32... - Page 22 All manuals and user guides at all-guides.com 7 | Maintenance Oil draining at the motor side Cleaning cloth Magnetic plug Drain pan Oil draining at the suction side Cleaning cloth Magnetic plug Drain pan 22 / 32 Instruction Manual COBRA NC 1000 B WCV_EN_en...
- Page 23 For oil type and oil capacity see Technical Data [► 29] and Oil [► 29]. Oil filling at the motor side Check oil level Oil filling at the suction side Check oil level Instruction Manual COBRA NC 1000 B WCV_EN_en 23 / 32...
-
Page 24: Cooling Liquid Change
If there is no sticker (part no. 0565 568 959) on the machine: • Order it from your Busch representative. 7.6 Cooling Liquid Change Funnel or liquid deflector Funnel or liquid deflector 24 / 32 Instruction Manual COBRA NC 1000 B WCV_EN_en... -
Page 25: Overhaul
• Decontaminate the machine as much as possible and state the contamination status in a ‘Declaration of Contamination’. Busch will only accept machines that come with a completely filled in and legally bind- ing signed ‘Declaration of Contamination’ (form downloadable from www.buschvacuum.com). -
Page 26: Decommissioning
• The exclusive use of Busch genuine spare parts and consumables is recommended for the correct functioning of the machine and to validate the warranty. There is no standard spare parts kits available for this product, if you require Busch genuine parts: •... -
Page 27: Troubleshooting
The machine runs in the • Check the direction of ro- wrong direction. tation, see Wiring Dia- gram Three-Phase Mo- tor. Internal parts are worn or • Repair the machine (con- damaged. tact Busch). Instruction Manual COBRA NC 1000 B WCV_EN_en 27 / 32... - Page 28 [► 21]. The machine runs too hot. • See problem "The ma- chine runs too hot". For the solution of problems not mentioned in the troubleshooting chart contact your Busch representative. 28 / 32 Instruction Manual COBRA NC 1000 B WCV_EN_en...
- Page 29 The cooling liquid Zitrec M-25 is ready-to-use and does not require additional water. For further information, consult the website www.arteco-coolants.com. 14 Oil VE 101 ISO-VG Part number 1 L packaging 0831 000 099 Part number 5 L packaging 0831 000 100 Instruction Manual COBRA NC 1000 B WCV_EN_en 29 / 32...
- Page 30 15 EU Declaration of Conformity This Declaration of Conformity and the CE-mark affixed to the nameplate are valid for the machine within the Busch scope of delivery. This Declaration of Conformity is issued under the sole responsibility of the manufac- turer.
- Page 31 All manuals and user guides at all-guides.com Note...
- Page 32 All manuals and user guides at all-guides.com Busch Vacuum Solutions We shape vacuum for you. Argentina Denmark Malaysia South Africa info@busch.com.ar info@busch.dk busch@busch.com.my info@busch.co.za Australia Finland Mexico Spain sales@busch.com.au info@busch.fi info@busch.com.mx contacto@buschiberica.es Austria France Netherlands Sweden busch@busch.at busch@busch.fr info@busch.nl info@busch.se...