BUSCH COBRA NC 0100 B Instruction Manual Download Page 34 | Manualshive

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8 | Maintenance

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Instruction Manual COBRA NC 0100-0300 B ACV_EN_en

8.5

Cooling Liquid Change

For cooling liquid type and cooling liquid capacity see Technical Data and Cooling Liquid [

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Summary of Contents for COBRA NC 0100 B

Page 1: ...technical data instruction manuals service kits COBRA Dry Screw Vacuum Pumps NC 0100 B NC 0200 B NC 0300 B Air Cooled Version ACV Instruction Manual 0870573307 0004_en US Original instructions 10 28 2...

Page 2: ...m Connection Optional 14 5 2 5 Purge Gas System Connection Optional 15 5 3 Filling Oil 16 5 4 Filling Cooling Liquid 18 5 5 Liquid Flushing Device Installation Optional 18 5 6 Fitting the Coupling 19...

Page 3: ...4 Oil Change 31 8 5 Cooling Liquid Change 34 9 Overhaul 35 10 Decommissioning 36 10 1 Dismantling and Disposal 36 11 Spare Parts 37 12 Troubleshooting 38 13 Technical Data 40 14 Cooling Liquid 41 15 O...

Page 4: ...to state of the art methods Never theless residual risks may remain as described in the following chapters and in accordance with the chapter Intended Use 6 This instruction manual highlights potenti...

Page 5: ...n Outlet AHE Air water heat exchanger CD Condensate drain CLD Cooling liquid drain plug CLF Cooling liquid fill plug CLG Cooling liquid sight glass CLP Cooling liquid pump CLV Cooling liquid vent plug...

Page 6: ...here is no need for a lubrication or an operating fluid in the compression chamber 2 2 Intended Use WARNING In case of foreseeable misuse outside the intended use of the machine Risk of injuries Risk...

Page 7: ...lable see Mechanical Seals 7 Sealing systems prevent the process gas going to the bearings chambers Depending on the application the sealing systems efficiency can be improved with a barrier gas sys t...

Page 8: ...o switch off the machine if the nitrogen volume flow drops below the minimum set flow value The dilution gas ballast prevents the formation of condensates or dilutes them depending on the application...

Page 9: ...e the machine is already filled with oil Tilting a machine that is already filled with oil can cause large quantities of oil to ingress into the cylinder Drain the oil prior to every transport or alwa...

Page 10: ...iginal packaging preferably at temperatures between 5 55 C NOTICE Long storage time Risk of damage to the machine If the machine is equipped with oil lubricated mechanical seals we recommend to comple...

Page 11: ...f premature failure Loss of efficiency Take care that the installation conditions are fully complied with 50 cm 20 cm 50 cm 20 cm Make sure that the environment of the machine is not potentially explo...

Page 12: ...ion of the machine if neces sary use flexible joints Make sure that the line size of the connection lines over the entire length is at least as large as the connections of the machine In case of long...

Page 13: ...ion Optional DN40 PN16 EN 1092 1 for NC 0100 B DN50 PN16 EN 1092 1 for NC 0200 B and NC 0300 B At the silencer SI discharge connection Optional DN40 PN16 EN 1092 1 for NC 0100 B DN50 PN16 EN 1092 1 fo...

Page 14: ...trogen or air Gas temperature C 0 60 Maximum gas pressure bar 13 Recommended pressure setting at the pres sure regulating valve PRV bar a 3 Filtration m 5 Recommended flow rate for labyrinth seals oil...

Page 15: ...en Gas temperature C 0 60 Maximum gas pressure bar 13 Recommended pressure setting at the pres sure regulating valve PRV bar 0 5 Filtration m 5 Recommended flow rate SLM standard li ter per minute 20...

Page 16: ...C 0 60 Maximum gas pressure bar 13 Recommended pressure setting at the pres sure regulating valve PRV bar 0 5 Filtration m 5 Recommended flow rate SLM standard li ter per minute 40 for NC 0100 0200 B...

Page 17: ...8 When the oil filling is achieved Write down the 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...

Page 18: ...uid type and cooling liquid capacity see Technical Data and Cooling Liquid 41 5 5 Liquid Flushing Device Installation Optional LS1 FR LI FLV INF MV FLF LS2 Description FLF Flushing liquid fill plug FL...

Page 19: ...Coupling hub machine side 2 Coupling spider 3 Coupling hub motor side 4 Radial screw max admissible torque 10Nm Machine type Coupling size Value E mm NC 0100 B ROTEX 38 24 NC 0200 B NC 0300 B NC 0300...

Page 20: ...5 Installation 20 48 Instruction Manual COBRA NC 0100 0300 B ACV_EN_en English German French Instruction Manual English Instruction Manual German Instruction Manual French...

Page 21: ...e from Busch Make sure that the EMC of the machine is compliant with the requirements of your supply net work system if necessary provide further interference suppression EMC of the machine see EU Dec...

Page 22: ...te of the machine NP Make sure to comply with it Consult the Technical Data to get more information NOTICE Incorrect connection Risk of damage to the motor The wiring diagrams given below are typical...

Page 23: ...mpletely secured during maintenance tasks Provide an overload protection according to EN 60204 1 Busch recommends installing a C curve circuit breaker Connect the protective earth conductor Electrical...

Page 24: ...ration in the wrong direction of rotation can destroy the machine in a short time Prior to start up ensure that the machine is operated in the right direction The intended rotation direction of the mo...

Page 25: ...Pepperl Fuchs U 5 25 V I 1 3 mA Switching element function NAMUR bistable 2 1 1 Brown 2 Blue For labyrinth seals oil lubricated single mechanical seals and PTFE shaft seals For gas lubricated double m...

Page 26: ...16 NOTICE The machine can be shipped without cooling liquid Operation without cooling liquid will ruin the machine in short time Prior to commissioning the machine must be filled with cooling liquid s...

Page 27: ...enoid valve END optional accessories Continuously drain condensate from the condensate drain plug CD of the silencer SI Optional 7 2 Liquid Flushing Procedure Liquid flushing of the machine is recomme...

Page 28: ...min utes after disconnection of the electrical supply Always ensure by using a suitable multimeter that no voltage is present on any drive power termi nals prior to commencing any work DANGER Live wi...

Page 29: ...rting values which should be shortened or extended as appropri ate Particularly harsh applications or heavy duty operation such as high dust loads in the environ ment or in the process gas other conta...

Page 30: ...e contact Busch 8 2 Oil Level Inspection Shut down the machine When the machine is stopped wait 1 minute before checking the oil level 1 2 Description 1 Oil sight glass on suction side 2 Oil sight gla...

Page 31: ...NC 0100 0300 B ACV_EN_en 31 48 8 4 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 b...

Page 32: ...8 Maintenance 32 48 Instruction Manual COBRA NC 0100 0300 B ACV_EN_en 1 Description 1 Magnetic plug For oil type and oil capacity see Technical Data and Oil 42...

Page 33: ...8 When the oil filling is achieved Write down the 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...

Page 34: ...8 Maintenance 34 48 Instruction Manual COBRA NC 0100 0300 B ACV_EN_en 8 5 Cooling Liquid Change For cooling liquid type and cooling liquid capacity see Technical Data and Cooling Liquid 41...

Page 35: ...Any dismantling of the machine that goes beyond anything that is described in this manual should be done by Busch authorized technicians In case of the machine having conveyed gas that was contaminate...

Page 36: ...tart up Disconnect the power supply If the machine is equipped with a barrier gas system Close the barrier gas supply Vent the connected lines to atmospheric pressure Disconnect all connections If the...

Page 37: ...Risk of premature failure Loss of efficiency 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...

Page 38: ...ter or repair the ma chine contact Busch Install an inlet filter if neces sary A temperature sensor has reached the switch point Let the machine cool down See problem The machine runs too hot Corrosio...

Page 39: ...eat exchanger AHE is dirty or obstructed Clean it and make sure that the air flow path is clear of all obstacles Temperature of the process gases at the inlet too high Observe the permitted gas inlet...

Page 40: ...7 5 9 5 HP 5 10 15 Nominal motor speed 50Hz 60Hz min 1 3000 3600 RPM 3600 Noise level ISO 2151 50Hz 60Hz dB A 70 74 71 76 72 77 dB A 74 76 77 Ambient temperature range C 5 50 F 41 122 Max allowable c...

Page 41: ...14 Cooling Liquid Zitrec M 25 ready to use Part number 5 L packaging 0831 563 469 Part number 20 L packaging 0831 238 761 The cooling liquid Zitrec M 25 is ready to use and does not require additional...

Page 42: ...15 Oil 42 48 Instruction Manual COBRA NC 0100 0300 B ACV_EN_en 15 Oil VSC 100 ISO VG 100 Part number 1 L packaging 0831 168 356 Part number 5 L packaging 0831 168 357...

Page 43: ...tibility EMS 2014 30 EU RoHS 2011 65 EU Restriction of the use of certain hazardous substances in electrical and electronic equipment incl all related applicable amend ments and comply ies with the fo...

Page 44: ...nery Safety Regulations 2008 Electromagnetic Compatibility Regulations 2016 Restriction of the use of certain hazardous substances in Electrical and Electronic Equipment Regulations 2021 and comply ie...

Page 45: ...Instruction Manual COBRA NC 0100 0300 B ACV_EN_en 45 48 Notes...

Page 46: ...46 48 Instruction Manual COBRA NC 0100 0300 B ACV_EN_en...

Page 47: ...Instruction Manual COBRA NC 0100 0300 B ACV_EN_en 47 48...

Page 48: ...esence In every country highly competent local personnel delivers custom tailored support backed by a global network of expertise Wherever you are Whatever your business We are there for you Busch com...

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