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Maintenance | 7

Instruction Manual MINK MM 1402-1502 AV_EN_en

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7.5 Pressure Relief Lines Maintenance

(Gas Tight Version Only)

WARNING

Media potentially dangerous.

Risk of poisoning!

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 il-

lustrations.

Blow into the pipe

with compressed air

Remove pipes

Unscrew nuts

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Содержание MINK MM 1402 AV

Страница 1: ...Get technical data instruction manuals service kits Instruction Manual MINK Claw Vacuum Pumps MM 1402 AV MM 1502 AV 0870156906 B0004_en Original instructions Modifications reserved 13 12 2021 ...

Страница 2: ...5 2 Connecting Lines Pipes 10 5 2 1 Suction Connection 10 5 2 2 Discharge Connection 10 5 3 Filling Oil 11 5 4 Electrical Connection 12 5 4 1 Wiring Diagram Three Phase Motor 12 6 Commissioning 14 6 1 Conveying Condensable Vapours 14 7 Maintenance 15 7 1 Maintenance Schedule 16 7 2 Oil Level Inspection 16 7 3 Cleaning from Dust and Dirt 17 7 4 Oil Change 17 7 5 Pressure Relief Lines Maintenance Ga...

Страница 3: ... has been designed and manufactured according to state of the art meth ods Nevertheless residual risks may remain This instruction manual highlights potential 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 ...

Страница 4: ...ction CAI Cooling air inlet OSG Oil sight glass CAO Cooling air outlet NP Nameplate EB Eye bolt CD Condensate drain optional MTB Motor terminal box NRV Non return valve integrated PRL Pressure relief line DA Directional arrow 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...

Страница 5: ...apable of maintaining ultimate pressure see Technical Data 24 The machine is suitable for continuous operation In order to avoid reverse rotation after switching off the machine is equipped with a non return valve NRV Note The non return valve NRV is no reliable means to prevent suction and shall not be used as a non return valve or shut off valve for the system In case the machine shall be mainta...

Страница 6: ... 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 s at a suction pressure of 250 mbar It can considerably increase up to prohibited pressure values at the gas inle...

Страница 7: ...nd other solids in the process gas The inlet filter is available with a paper or polyester cartridge 2 5 2 Vacuum Relief Valve The ultimate pressure is limited by a vacuum relief valve The vacuum relief valve is ad justed ex works to the minimum permitted ultimate pressure see nameplate 2 5 3 Condensate Drain The condensate drain CD uses to drain the accumulated fluids ...

Страница 8: ...ultless condition fully screwed in and tightened by hand Machine weight see the technical data or the nameplate NP Use both eye bolts in case a second eye bolt is mounted Check the machine for transport damage If the machine is secured to a base plate Remove the machine from the base plate 4 Storage Seal all apertures with adhesive tape or reuse provided caps If the machine is to be stored for mor...

Страница 9: ...n conditions are fully complied with 1 m 1 m 1 m 1 m Other values may apply after Busch approval Make sure that the environment of the machine is not potentially explosive Make sure that the ambient conditions comply with the Technical Data 24 Make sure that the environmental conditions comply with the protection class of the motor and the electrical instruments Make sure that the installation spa...

Страница 10: ...tating Parts Risk of severe injury Do not operate the machine without suction discharge 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 machin...

Страница 11: ...ilure 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 4 mm hex key Check oil level The oil level should stay constant over the lifetime of the oil If the level does fall this in dicates a leak and the machine requires repair ...

Страница 12: ...ke 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 Electrically connect the motor 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 diagr...

Страница 13: ...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 low voltage 4 4 4 Star connection multi voltage motor with 12 pins high voltage 4 4 4 Delta connection multi voltage motor with 12 pins middle voltage 4 4 4 ...

Страница 14: ...re met 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 troubleshoo...

Страница 15: ...ouching 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 ...

Страница 16: ...hours at the latest after 2 years Depending on the requirements in terms of gas tightness Replace sealing rings contact Busch Gas tight version only Every 10000 hours at the lat est after 2 years Check that pressure lines are not clogged see Pres sure Relief Lines Maintenance Gas Tight Version Only 19 Every 20000 hours Change the oil The change interval of 20000 operating hours is valid for Busch ...

Страница 17: ...Maintenance 7 Instruction Manual MINK MM 1402 1502 AV_EN_en 17 28 7 3 Cleaning from Dust and Dirt Clean the ventilation grilles cooling fins and inlet screen IS 4 mm hex key ...

Страница 18: ... efficiency Only use an oil type which has previously been approved and recommended by Busch Drain pan Cleaning cloth For oil type and oil capacity see Technical Data 24 and Oil 24 4 mm hex key Check oil level The oil level should stay constant over the lifetime of the oil If the level does fall this in dicates a leak and the machine requires repair ...

Страница 19: ...tially dangerous Risk of poisoning 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 il lustrations Blow into the pipe with compressed air Remove pipes Unscrew nuts ...

Страница 20: ...Adjust the pressurised air to 0 2 bar g by means of a pressure regulator In case of clogged pressure relief lines Remove the clogging or have the machine repaired contact Busch Connect pressurised air to the pressure relief lines Unscrew plugs Screw plugs Remove the upper cover Remount the upper cover max 0 2 bar overpressure Tighten nuts Remount pipes ...

Страница 21: ...s possible and state the contamination sta tus in a Declaration of Contamination Busch will only accept machines that come with a completely filled in and legally binding signed Declaration of Contamination form downloadable from www buschvacuum com 9 Decommissioning CAUTION Hot surface Risk of burns Prior to any action requiring touching the machine let the machine cool down first Shut down the m...

Страница 22: ...e seal ring 0543 138 026 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 flange lower part Includes non return valve 0916 000 672 Inlet screen 0534 000 094 If other parts are required Contact your Busch representative 11 Troubleshooting DANGER Live wires Risk of electr...

Страница 23: ...logged Replace the inlet filter car tridge Internal parts are worn or damaged Repair the machine con tact Busch The machine runs very noisily Worn coupling CPL Replace the coupling CPL Oil level too low Top up oil Defective bearings Repair the machine con tact Busch The machine runs too hot Insufficient cooling Remove dust and dirt from the machine Ambient temperature too high Observe the permitte...

Страница 24: ...mbar abs suction pressure 50Hz 60Hz dB A 79 83 80 86 Ambient temperature range C F 0 40 32 104 Inlet gas temperature range C F 0 40 32 104 Ambient pressure Atmospheric pressure Oil capacity L Qts 1 2 Weight approx 50Hz 60Hz Kg lbs 290 320 705 325 716 In case of higher or lower temperatures please consult your Busch representative 13 Oil VS 150 VSB 100 ISO VG 150 100 Part number 1 L packaging 0831 ...

Страница 25: ...ated applicable amendments and comply ies with the following 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 200...

Страница 26: ...12 and comply ies with the following designated standards that have been used to fulfil those provisions Standard Title of the Standard BS EN ISO 12100 2010 Safety of machinery Basic concepts general principles of design Risk assess ment and risk reduction BS EN ISO 13857 2019 Safety of machinery Safety distances to prevent hazard zones being reached by the upper and lower limbs BS EN 1012 1 2010 ...

Страница 27: ...Note ...

Страница 28: ...o 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 busch com pe Poland busch busch com pl Portugal busch busch pt Romania office buschromania ro Russia info busch ru Singapore sales busch com sg South Africa info busch co za Spain contacto buschiberica ...

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