BUSCH COBRA NC 1000 B Instruction Manual Download Page 21 | Manualshive

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Maintenance | 7

Instruction Manual COBRA NC 1000 B WCV_EN_en

21 / 32

• Fill up if necessary, see

.

7.3 Cooling Liquid Level Inspection

• Shut down the machine.

MAX

MIN

MAX

MIN

• Fill up if necessary, see

Filling Cooling Liquid [

7.4 Replacing the Gas Ballast Filter (Optional)

1

2

3

Discard the part

Busch genuine spare parts
Gas ballast filter: part no. 0562 550 434

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.

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Summary of Contents for COBRA NC 1000 B

Page 1: ...technical data instruction manuals service kits Instruction Manual COBRA Dry Screw Vacuum Pumps NC 1000 B water cooled version 0870551589 A0002_en Original instructions Modifications reserved 14 09 2...

Page 2: ...5 2 2 Discharge Connection 10 5 2 3 Cooling Water Connection 11 5 2 4 Barrier Gas System Connection Optional 12 5 3 Filling Oil 12 5 4 Filling Cooling Liquid 14 5 5 Fitting the Coupling 15 5 6 Electri...

Page 3: ...Table of Contents Instruction Manual COBRA NC 1000 B WCV_EN_en 3 12 Technical Data 29 13 Cooling Liquid 29 14 Oil 29 15 EU Declaration of Conformity 30...

Page 4: ...as been designed and manufactured according to state of the art meth ods Nevertheless residual risks may remain This instruction manual highlights po tential hazards where appropriate Safety notes and...

Page 5: ...Cooling liquid pump CWI Cooling water inlet CWO Cooling water outlet EB Eye bolt GB Gas ballast valve IN Suction connection LS Level switch MP Magnetic plug MTB Motor terminal box NP Nameplate ODP Oi...

Page 6: ...dry non aggressive non toxic and non explosive gases Conveying of other media leads to an increased thermal and or mechanical load on the machine and is permissible only after a consultation with Busc...

Page 7: ...bearings chambers Depending on the application the sealing systems efficiency can be improved with a barrier gas system see Barrier Gas System 7 2 5 Optional Accessories 2 5 1 Gas Ballast Valve The ga...

Page 8: ...d with oil can cause large quantities of oil to ingress into the cylinder Drain the oil prior to every transport or always horizontally transport the machine Machine weight see the technical data or t...

Page 9: ...tion class of the motor and the electrical instruments Make sure that the installation space or location is vented such that sufficient cool ing of the machine is provided Make sure that cooling air i...

Page 10: ...lid particles Install a suitable filter 5 micron or less upstream from the machine Connection size s DN125 PN16 EN 1092 1 If the machine is used as part of a vacuum system Busch recommends the install...

Page 11: ...apacity l min 15 Water pressure bar 1 6 Supply temperature C 5 30 Required pressure differential across sup ply and return bar 1 To reduce the maintenance effort and ensure a long product lifetime we...

Page 12: ...1 4 ISO 228 1 Make sure that the gas complies with the following requirements Gas type Dry nitrogen or air Gas temperature C 0 60 Maximum gas pressure bar 13 Recommended pressure setting at the pressu...

Page 13: ...B WCV_EN_en 13 32 For oil type and oil capacity see Technical Data 29 and Oil 29 1 2 B u s c h O il 3 MAX MIN 3 mm 4 Check oil level Oil filling at the motor side 1 2 B u s c h O il 3 MAX MIN 3 mm 4...

Page 14: ...Oil type see nameplate Change interval see instruction manual If there is no sticker part no 0565 568 959 on the machine Order it from your Busch representative 5 4 Filling Cooling Liquid For cooling...

Page 15: ...ww ktr com and download the instruction man ual of the ROTEX coupling 5 6 Electrical Connection DANGER Live wires Risk of electrical shock Electrical installation work must only be executed by qualifi...

Page 16: ...han 1800 min 1 30 Hz NOTICE Incorrect connection Risk of damage to the motor The wiring diagrams given below are typical Check the inside of the terminal box for motor connection instructions diagrams...

Page 17: ...4 pin U 7 5 30 VDC 4 20 mA 50 150 C Trip signal Ttrip 70 C 1 2 4 3 3 1 1 Brown 3 Blue 5 7 2 Wiring Diagram Level Switch Part no 0652 569 236 Connector M12x1 4 pin U 10 30 VDC DC PNP Imax 200 mA Contac...

Page 18: ...ing used Make sure that the installation conditions see Installation Conditions 9 are met Turn on the water supply If the machine is equipped with a barrier gas system Turn on the barrier gas supply A...

Page 19: ...Continuously drain condensate from the condensate drain plug CD of the silencer SI Optional 7 Maintenance WARNING Machines contaminated with hazardous material Risk of poisoning Risk of infection If t...

Page 20: ...20 Check the cooling liquid level see Cooling Liquid Level Inspection 21 Check the machine for oil leaks in case of leaks have the machine repaired contact Busch Yearly Carry out a visual inspection...

Page 21: ...MAX MIN Fill up if necessary see Filling Cooling Liquid 14 7 4 Replacing the Gas Ballast Filter Optional 1 2 3 Discard the part Busch genuine spare parts Gas ballast filter part no 0562 550 434 7 5 O...

Page 22: ...ce 22 32 Instruction Manual COBRA NC 1000 B WCV_EN_en 1 3 2 4 Oil draining at the motor side Cleaning cloth Drain pan Magnetic plug 1 3 4 2 Oil draining at the suction side Cleaning cloth Drain pan Ma...

Page 23: ...B WCV_EN_en 23 32 For oil type and oil capacity see Technical Data 29 and Oil 29 1 2 B u s c h O il 3 MAX MIN 3 mm 4 Check oil level Oil filling at the motor side 1 2 B u s c h O il 3 MAX MIN 3 mm 4 C...

Page 24: ...he oil change date on the sticker Last oil change __ __ ____ Oil type see nameplate Change interval see instruction manual If there is no sticker part no 0565 568 959 on the machine Order it from your...

Page 25: ...e equipment NOTICE Improper assembly Risk of premature failure Loss of efficiency It is highly recommended that any dismantling of the machine that goes beyond an ything that is described in this manu...

Page 26: ...al Drain the oil Drain the cooling liquid Separate special waste from the machine Dispose of special waste in compliance with applicable regulations Dispose of the machine as scrap metal 10 Spare Part...

Page 27: ...repair the ma chine contact Busch Install an inlet filter if nec essary The resistance thermome ter TSA reached the switch point Let the machine cool down See problem The ma chine runs too hot Corrosi...

Page 28: ...ling Wa ter Connection 11 Ambient temperature too high Observe the permitted ambient temperature see Technical Data 29 Temperature of the process gases at the inlet too high Observe the permitted gas...

Page 29: ...Max allowable gas inlet temperature C 50 hPa mbar 200 50 hPa mbar 70 Relative humidity at 30 C 90 Ambient pressure Atmospheric pressure Cooling water requirements See Cooling Water Connection 11 Oil...

Page 30: ...Directive EU 2015 863 restriction of the use of certain haz ardous substances in electrical and electronic equipment and the following standards Standard Title of the Standard EN ISO 12100 2010 Safety...

Page 31: ...Note...

Page 32: ...busch it Japan info busch co jp Korea busch busch co kr Malaysia busch busch com my Mexico info busch com mx Netherlands info busch nl New Zealand sales busch co nz Norway post busch no Peru info bus...

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