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7 | Maintenance

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0870159870_MV1202A_A0003_IM_en_MD

7

Maintenance

WARNING

Machines contaminated with hazardous material.

Risk of poisoning!

Risk of infection!

If the machine is contaminated with hazardous material:

• Wear appropriate personal protective equipment.

CAUTION

Hot surface.

Risk of burns!

• Prior to any action requiring touching the machine, let the machine cool down first.

NOTICE

Using inappropriate cleaners.

Risk of removing safety stickers and protective paint!

• Do not use incompatible solvents to clean the machine.

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.

• Shut down the machine and lock against inadvertent start up.

• Vent the connected lines to atmospheric pressure.

If necessary:

• Disconnect all connections.

Summary of Contents for Mink MV 1202 A

Page 1: ...Get technical data instruction manuals service kits Instruction Manual MINK Claw Vacuum Pumps MV 1202 A 0870159870 A0003_en Original instructions Modifications reserved 22 06 2021 ...

Page 2: ...5 2 Connecting Lines Pipes 9 5 2 1 Suction Connection 9 5 2 2 Discharge Connection 9 5 3 Filling Oil 10 5 4 Electrical Connection 10 5 4 1 Wiring Diagram Three Phase Motor 11 6 Commissioning 13 6 1 Conveying Condensable Vapours 13 7 Maintenance 14 7 1 Maintenance Schedule 14 7 2 Oil Level Inspection 15 7 3 Cleaning from Dust and Dirt 16 7 4 Oil Change 16 7 5 Pressure Relief Lines Maintenance Gas T...

Page 3: ...en 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 warning messages are tagged with one of the keywords DANGER WARNING CAUTION NOTICE and NOTE as follows DANGER indicates an imminent dangerous situation that will result in death or serious injuries if not...

Page 4: ...or terminal box OFP Oil fill plug Venting valve CAI Cooling air inlet OSG Oil sight glass CAO Cooling air outlet PRL1 Pressure relief line IN PRL2 Pressure relief line OUT Gas tight version only NOTE Technical term In this instruction manual we consider that the term machine refers to the vacuum pump NOTE Illustrations In this instruction manual the illustrations may differ from the machine appear...

Page 5: ...a non potentially explosive environment The machine is not capable of maintaining ultimate pressure The minimum allowed ultimate pressure is to be read from the nameplate of the machine By means of process control and or vacuum relief valves it must be made sure that the minimum allowed ultimate pressure will not be underrun The machine is suitable for continuous operation Permitted environmental ...

Page 6: ...elief lines collecting lines shaft seal rings Requirements for a proper functioning Ambient pressure The gas tight machine requires an ambient pressure at the gas discharge during the whole operation range of 200 hPa mbar unless otherwise specified on the nameplate Leakage rate The machine is not absolutely gas tight The leakage rate of the machine described in this manual is of 0 1 hPa l s mbar l...

Page 7: ...port WARNING Suspended load Risk of severe injury Do not walk stand or work under suspended loads WARNING Lifting the machine using the motor eye bolt Risk of severe injury Do not lift the machine using the eye bolt fitted to the motor Only lift the machine as shown Make sure that the eyebolt s EB is are in faultless condition fully screwed in and tightened by hand SCH Mink BU Use both eye bolts M...

Page 8: ...soning Risk of infection Make sure that the ambient atmosphere of the machine is sufficiently ventilated Closed air cooling systems are not suitable and therefore prohibited NOTICE Use of the machine outside of the permitted installation conditions Risk of premature failure Loss of efficiency Take care that the installation conditions are fully complied with SCH Mink BU 1 m 1 m 1 m 1 m Other value...

Page 9: ...e connection installed Remove all protective covers before installation Make sure that the connection lines cause no stress on the machine s connection if necessary 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 connection lines it is advisable to use larger line sizes in order t...

Page 10: ... 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 For oil type and oil capacity see Technical Data 24 and Oil 24 1 4 MAX MIN 3 2 Busch Oil SCH Mink BU Check oil level The oil level should stay constant over the lifetime of the oil If the level does fall this indicates a l...

Page 11: ...ct switch on the power line so that the machine is com pletely secured during maintenance tasks Provide an overload protection according to EN 60204 1 for the motor Busch recommends installing a K curve circuit breaker 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 ea...

Page 12: ...tion of rotation with the arrow stuck on or cast Jog the motor briefly If the rotation of the motor must be changed Switch any two of the motor phase wires Delta connection low voltage Star connection high voltage Double star connection multi voltage motor with 9 pins low voltage Star connection multi voltage motor with 9 pins high voltage Double star connection multi voltage motor with 12 pins lo...

Page 13: ... Switch on the machine Make sure that the maximum permissible number of starts does not exceed 12 starts per hour Those starts should be spread within the hour Make sure that the operating conditions comply with the Technical Data 24 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 w...

Page 14: ...g the machine let the machine cool down first NOTICE Using inappropriate cleaners Risk of removing safety stickers and protective paint Do not use incompatible solvents to clean the machine 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 Shut down the ma...

Page 15: ...s of gas tight ness Replace sealing rings contact Busch Gas tight version only Every 10000 hours at the latest after 2 years Check that pressure lines are not clogged see Pressure Relief Lines Maintenance Gas Tight Ver sion Only 18 Every 20000 hours Change the oil The change interval of 20000 operating hours is valid for Busch approved oils only The change interval de pends very much on the operat...

Page 16: ...7 Maintenance 16 28 0870159870_MV1202A_A0003_IM_en_MD 7 3 Cleaning from Dust and Dirt SCH Mink B U Clean the ventilation grilles and cooling fins 4 mm hex key ...

Page 17: ...riate oil Risk of premature failure Loss of efficiency Only use an oil type which has previously been approved and recommended by Busch 1 3 2 SCH Mink BU Drain pan Cleaning cloth For oil type and oil capacity see Technical Data 24 and Oil 24 1 4 MAX MIN 3 2 Busch Oil SCH Mink BU Check oil level ...

Page 18: ... Risk of infection Wear appropriate personal protective equipment in case of high concentration of the medium in the ambient atmosphere of the machine Check that pressure relief lines PRL are not clogged as described in the following illustrations NOTICE Pressurised air systems supply too high pressure Risk of damage to the machine Adjust the pressurised air to 0 2 bar g by means of a pressure reg...

Page 19: ...3_IM_en_MD 19 28 4 mm hex key 4 mm hex key Remove the cover 3x Unscrew nuts Remove PRL1 line Remove PRL2 line Unscrew nut Remove Remove nut Blow into the pipe and removed lines PRL1 and PRL2 with compressed air max 0 2 bar overpressure 3x ...

Page 20: ...tion 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 9 Decommissioning Shut down the machine and lock against inadvertent start up Vent the connected lines to atmospheric pressure Disconnect all connections If the machine is going to be ...

Page 21: ...propriate seal ring 0543 107 407 Oil sight glass 0583 000 001 Seal ring For oil sight glass 0480 000 271 Oil drain plug Includes appropriate seal ring 0415 134 870 Seal ring For oil drain plug 0482 137 352 Inlet screen 0534 159 449 If other parts are required Contact your Busch representative for the detailed spare parts list ...

Page 22: ...er supply The motor is defective Replace the motor The coupling CPL is defect ive Replace the coupling CPL The machine does not reach the usual pressure on the suction connection The inlet screen IS is par tially clogged Clean the inlet screen IS The vacuum relief valve VRE is misadjusted or de fective Replace the vacuum re lief valve VRE The inlet filter cartridge op tional is partially clogged R...

Page 23: ...bient temperature too high Observe the permitted ambient temperature see Technical Data 24 Temperature of the process gases at the inlet too high Observe the permitted gas inlet temperature see Technical Data 24 Oil level too low Top up oil For the solution of problems not mentioned in the troubleshooting chart contact your Busch representative ...

Page 24: ...level EN ISO 2151 at 400 hPa mbar abs suction pressure 50Hz 60Hz dB A 79 82 Ambient temperature range C 0 40 Inlet gas temperature range C 0 40 Ambient pressure Atmospheric pressure Oil capacity l 3 5 Weight approx kg 750 In case of higher or lower temperatures please consult your Busch representative 13 Oil VS 220 ISO VG 220 Part number 1 L packaging 0831217852 Part number 5 L packaging 083121785...

Page 25: ...g designated standards that have been used to fulfil those provisions Standard Title of the Standard EN ISO 12100 2010 Safety of machinery Basic concepts general principles of design EN ISO 13857 2019 Safety of machinery Safety distances to prevent hazard zones being reached by the upper and lower limbs EN 1012 1 2010 EN 1012 2 1996 A1 2009 Compressors and vacuum pumps Safety requirements Part 1 a...

Page 26: ...Note ...

Page 27: ...Note ...

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