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BUSCH Mink MM 1252 AV - User Manual

BUSCH Mink MM 1252 AV
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Installation and
Operating Instructions
Vacuum Pumps
MINK MM 1324, 1202, 1252, 1322 AV
ATEX-Version
Busch Produktions GmbH
Schauinslandstr. 1
79689 Maulburg
Germany
0870145304 / 190709 / Original instructions / Modifications reserved

Table of Contents

Other manuals for BUSCH Mink MM 1252 AV

Preview: Instruction Manual
Instruction Manual40 pages

Questions and Answers

  • K
    Kari ThomasSep 13, 2025
    What to do if BUSCH Water Pump starts but runs noisily?
    • S
      simmonsdennisSep 13, 2025
      If your BUSCH Water Pump starts but runs noisily or rattles, check for loose connections in the drive motor terminal box, ensuring all motor coils are properly connected according to the connection diagram, especially on motors with six coils. Tighten or replace any loose connections. Also, verify the pump is running in the correct direction. If these steps don't resolve the issue, the pump may need repair.
  • A
    Angela ThomasAug 25, 2025
    Why does my BUSCH Mink MM 1252 AV Water Pump start, but labours or runs noisily?
    • B
      Brianna JonesAug 25, 2025
      If your BUSCH Water Pump starts but is running with laboring sounds, unusual noises or rattling, check for loose connections in the drive motor terminal box, ensuring all wires are properly connected according to the connection diagram, especially on motors with six coils; tighten or replace any loose connections. For three-phase motor versions, verify the pump isn't running in the wrong direction. If foreign objects are present or bearings are stuck, it is best to have the vacuum pump repaired by Busch service.
  • J
    joshua07Aug 27, 2025
    Why is my BUSCH Water Pump running so hot?
    • A
      Alexander WilliamsAug 27, 2025
      If the BUSCH Water Pump is running very hot, first ensure sufficient air ventilation by cleaning the fan cowlings, fan wheels, ventilation grilles, and cooling fins to remove any dust or dirt impeding cooling. If the pump is in a narrow space, ensure adequate ventilation. Also, check that the ambient and inlet gas temperatures are within permitted limits.
  • X
    xpenaAug 27, 2025
    Why is my BUSCH Mink MM 1252 AV Water Pump so noisy?
    • T
      Tyler BowmanAug 27, 2025
      If the BUSCH Water Pump is running very noisily, the issue could stem from defective bearings, which would require repair by Busch service. Another potential cause is a worn coupling element, which should be replaced. Low oil level or damage to the synchronizing gear can also cause noise, both of which necessitate repair by Busch service.
  • V
    Vincent CochranAug 29, 2025
    What to do if BUSCH Water Pump or the drive motor is blocked?
    • M
      Melanie MurrayAug 29, 2025
      If the BUSCH Water Pump is blocked, ensure the drive motor is disconnected from the power supply. Remove the fan cover and try turning the drive motor with the vacuum pump by hand. If it remains frozen, remove the drive motor to check it and the vacuum pump separately. If the vacuum pump is blocked, it is best to have the vacuum pump repaired by Busch service.
  • C
    Christina EsparzaAug 30, 2025
    What causes a BUSCH Water Pump to be blocked?
    • W
      Wayne DrakeAug 30, 2025
      If your BUSCH Water Pump is blocked, it could be due to solid foreign matter entering the pump, requiring repair by Busch service; ensure the suction line has a screen, and consider adding a filter. Corrosion from remaining condensate can also cause blockage, necessitating repair by Busch service; check the process and consult the chapter on conveying condensable vapors. For three-phase motor versions, incorrect running direction can block the pump, requiring repair by Busch service; ensure correct direction upon connection.
  • A
    Anna LivingstonNov 20, 2025
    How to troubleshoot low pressure in BUSCH Water Pump?
    • P
      Pamela JonesNov 20, 2025
      If the BUSCH Water Pump isn't reaching its usual pressure, several factors could be at play. Start by checking the hose or pipe connections for any leaks. If a vacuum relief valve/regulating system is installed, it might be misadjusted or defective, requiring adjustment, repair, or replacement. Also, inspect the screen in the suction connection for clogs and clean it, installing a filter upstream if frequent cleaning is needed. If there is a filter installed on the suction connection, ensure that it is clean. Check for partial clogging in the suction, discharge, or pressure line, and remove any obstructions. If the suction, discharge, or pressure line is too long with a small diameter, consider using a larger diameter. Inspect the valve disk of the inlet non-return valve to make sure it is...
  • J
    johngilbertSep 14, 2025
    Why is my BUSCH Mink MM 1252 AV Water Pump running so noisily?
    • J
      Jesse ThomasSep 14, 2025
      If your BUSCH Water Pump is running very noisily, this could be due to defective bearings or a worn coupling element. The synchronising gear could also be damaged due to operation with a low oil level or the synchronising gear is leaky.
  • N
    Nathan WrightSep 8, 2025
    What to do if my BUSCH Mink MM 1252 AV Water Pump does not reach the usual pressure on the suction connection?
    • T
      Tyler MartinSep 8, 2025
      If your BUSCH Water Pump isn't reaching the usual pressure on the suction connection, check these items: * The inlet screen (IS) may be partially clogged. Clean the inlet screen (IS). * If equipped, the inlet filter cartridge might be partially clogged. Replace the inlet filter cartridge. * Internal parts may be worn or damaged. Contact Busch to repair the machine.
  • R
    rochadestinySep 5, 2025
    Why is my BUSCH Mink MM 1252 AV Water Pump running very noisily?
    • D
      Debra JuarezSep 5, 2025
      If your BUSCH Water Pump is running noisily, it could be due to: * A worn coupling (CPL), which requires replacement. * Low oil level. In this case you should top up the oil. * Defective bearings. It is recommended to contact Busch to repair the machine.

Summary

Preface

Product Description

Use

Defines the intended applications and operational limits of the vacuum pump.

Safety Concept

Installation and Commissioning

Installation prerequisites

Essential conditions and checks before installing the vacuum pump.

Electrical Connection; Controls

Connecting Electrically

Detailed steps for making electrical connections to the drive motor.

Troubleshooting

Spare Parts

Equipment Documentation Measurement and Safety Instrumentation

Version with Resistance Thermometer, without Transmitter

Details for resistance thermometers without an integrated transmitter.

Safety

Intended use

Defines the proper applications for the WIKA resistance thermometers and thermocouples.

Commissioning, operation

Information on mounting, operation in hazardous area (Europe)

Faults

BUSCH Mink MM 1252 AV Specifications

General IconGeneral
BrandBUSCH
ModelMink MM 1252 AV
CategoryWater Pump
LanguageEnglish

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