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11 | Troubleshooting

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0870133276_MM1324_1322AV_A0005_IM_en_MD

11 Troubleshooting

DANGER

Live wires.

Risk of electrical shock.

• Electrical installation work must only be executed by qualified personnel.

CAUTION

Hot surface.

Risk of burns!

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

Mink

SCH

CPL

Problem

Possible Cause

Remedy

The machine does not start. The motor is not supplied

with the correct voltage.

• Check the power supply.

The motor is defective.

• Replace the motor.

The coupling (CPL) is de-
fective.

• 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 inlet filter cartridge (op-
tional) is partially clogged.

• Replace the inlet filter

cartridge.

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).

Содержание Mink MM 1202 AV

Страница 1: ...chnical data instruction manuals service kits Instruction Manual Mink Claw Vacuum Pumps MM 1324 AV MM 1202 AV MM 1252 AV MM 1322 AV 0870133276 A0005_en Original instructions Modifications reserved 22 06 2021 ...

Страница 2: ...s 9 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 11 5 4 1 Wiring Diagram Three Phase Motor 12 6 Commissioning 15 6 1 Conveying Condensable Vapours 15 7 Maintenance 16 7 1 Maintenance Schedule 16 7 2 Oil Level Inspection 17 7 3 Cleaning from Dust and Dirt 18 7 4 Oil Change 18 7 5 Pressure Relief Lines Maintenanc...

Страница 3: ... 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 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 ...

Страница 4: ...Discharge connection CAI Cooling air inlet OSG Oil sight glass CAO Cooling air outlet NP Nameplate CD Condensate drain MTB Motor terminal box EB Eye bolt DA Directional arrow PRL Pressure relief line 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 a...

Страница 5: ...ressure will not be underrun The machine is suitable for continuous operation up to a certain suction pressure in dicated below Machine type Suction pressure limitation for continuous operation MM 1202 AV 200 hPa mbar abs MM 1252 AV MM 1322 AV MM 1324 AV 60 hPa mbar abs ultimate pressure The operating time of the following machines is limited to 20 minutes at ultimate pres sure Machine type Suctio...

Страница 6: ...duct Description 6 28 0870133276_MM1324_1322AV_A0005_IM_en_MD Provide an additional manual or automatic operated non return valve in the suction line Permitted environmental conditions see Technical Data 26 ...

Страница 7: ...gas must not exceed the admissible values of the ambient atmosphere of the machine This machine is specifically equipped with pressure relief 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 nameplat...

Страница 8: ...sate Drain The condensate drain CD uses to drain the accumulated fluids 3 Transport 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 co...

Страница 9: ...achine is not absolutely gas tight possible leakages of dangerous media Risk of poisoning 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 inst...

Страница 10: ...entative the motor should be derated or the ambient temperature limited 5 2 Connecting Lines Pipes WARNING Rotating 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 l...

Страница 11: ...er slopes away from the machine or provide a liquid separator or a siphon with a drain cock so that no liquids can flow back into the machine 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 26 and Oil 26 SCH Mink BU MAX MI...

Страница 12: ...nnect 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 D 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...

Страница 13: ... direction Determine the intended direction 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 connect...

Страница 14: ...5 Installation 14 28 0870133276_MM1324_1322AV_A0005_IM_en_MD Delta connection multi voltage motor with 12 pins middle voltage 4 4 4 ...

Страница 15: ...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 26 As soon as the machine is operated under normal operating conditions Measure the motor current and record it as reference for future maintenance and troubleshootin...

Страница 16: ...hing 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...

Страница 17: ...on 17 Every 6 months Clean the machine from dust and dirt Gas tight version only Every 5000 hours at the latest after 2 years Depending on the requirements in terms 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 19 Every...

Страница 18: ...t Mink SCH BU Clean the ventilation grilles and cooling fins 4 mm hex key 7 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 by Busch Mink SCH BU 1 2 3 Drain pan Cleaning cloth ...

Страница 19: ...ype and oil capacity see Technical Data 26 and Oil 26 SCH Mink BU MAX MIN 1 2 3 B u s c h O il 4 5 6 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 indicates a leak and the machine requires repair ...

Страница 20: ...medium in the ambient atmosphere of the machine Check that pressure relief lines PRL are not clogged as described in the following illustrations 1 3 2 Blow into the pipe with compressed air Remove pipes Unscrew nuts 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 regulator In case of clogged pressu...

Страница 21: ...4_1322AV_A0005_IM_en_MD 21 28 4 5 6 7 8 2x 2x 2x 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 10 9 Tighten nuts Remount pipes ...

Страница 22: ...inated with foreign ma terials which are dangerous to health 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 9 Decommissioning Shut down the machine and lock again...

Страница 23: ...nd to validate the warranty Spare part Description Part no Oil fill plug Venting valve Includes appropriate 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 flange lower part Includes non return valve 0916 000 670 Inlet screen 0534 000 041 If othe...

Страница 24: ... supplied with the correct voltage Check the power supply The motor is defective Replace the motor The coupling CPL is de fective 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 inlet filter cartridge op tional is partially clogged Replace the inlet filter cartridge Internal par...

Страница 25: ... Ambient temperature too high Observe the permitted ambient temperature see Technical Data 26 Temperature of the process gases at the inlet too high Observe the permitted gas inlet temperature see Technical Data 26 Oil level too low Top up oil For the solution of problems not mentioned in the troubleshooting chart contact your Busch representative ...

Страница 26: ...0 1800 60 hPa mbar abs Noise level EN ISO 2151 at 400 hPa mbar abs suction pressure 50Hz 60Hz dB A 75 79 77 82 70 74 Ambient temperature range C 0 40 Inlet gas temperature range C 0 40 Ambient pressure Atmospheric pressure Oil capacity l 1 0 Weight approx 50Hz 60Hz kg 240 245 240 290 260 300 240 270 In case of higher or lower temperatures please consult your Busch representative 13 Oil VS 150 VSB ...

Страница 27: ... 42 EC Electromagnetic Compatibility 2014 30 EU RoHS 2011 65 EU and the following standards 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...

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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