Operating Manual Unbalance Motors - AViTEQ Triltechniek

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........................................................................................................................................................................................................................................................................................................................................................................................................... 6 Maintenance DANGER! Before carrying out any maintenance work, the unbalance motor must be disconnected from mains and protected against reconnecting. Check that no voltage is present! Further check, if the surface temperature is less than +50°C, otherwise the surface temperature may lead to burns of the skin! 6.1 Regular Checks We recommend the following checks in regular intervals as shown below: Inspection intervals Checks 2 operating hours - Check screw connexions (working unit/drive) after the first - Check, if connexion cable doesn’t swing commissioning - Check, if connexion cable shows visible damages 24 operating hours after the first commissioning Weekly Monthly Half-yearly - Check noise development - Check screw connexions (working unit/drive) - Check, if connexion cable doesn’t swing - Check, if connexion cable shows visible damages - Check noise development - Check the condition of the protective hoods and the cover of the terminal box - Check, if connexion cable doesn’t swing - Check, if connexion cable shows visible damages - Check noise development - Check screw connexions (working unit/drive) - Check the condition of the protective hoods and the cover of the terminal box Table 6-1 Regular checks 6.2 Replacing the Sealings ATTENTION! If the unbalance motor is operated in areas with the presence of combustible dust (zone 21 or 22, the sealing (o-ring) of the cover of the terminal box and the sealings of the protective hoods must be replaced every 2 years. If damages are visible the sealings must be replaced immediately! DANGER! Touching the rotating centrifugal weights may be perilous and lead to serious injuries! Before removing the protective hoods, disconnect the unbalance motor from the mains supply and secure it against unintended reconnexion. Verify that no voltage is present! For replacing the sealings first remove the cover of the terminal box and both protective hoods at the unbalance motor. Then replace the appropriate sealings. Afterwards mount the cover of the terminal box and the protective hoods again. NOTE Only use original sealings that you can order from AViTEQ. For a better adhesion of the o-ring sealings of the cover of the terminal box and the protective hoods we recommend to use some silicone grease! ........................................................................................................................................................................................................................................................................................................................................................................................... 38 / 48
Operating Manual for AViTEQ Unbalance Motors, Series UV...-A_ ........................................................................................................................................................................................................................................................................................................................................................................................................... Unbalance motor types Bearing type UVA 0.6Y-A1 6302 2ZR.C3 UVB 1Y-A1 6302 UVB 0.3X-A1 2ZR.C3 UVB 1.9Y-A1 6302 UVB 0.7X-A1 2ZR.C3 UVC 3Y-A1 6304 UVC 1.5X-A1 2ZR.C3 UVC 2.1X-A1 UVD UVD UVD 5Y-A1 4X-A1 5.4X-A1 6.3 Bearing Lubrication 6306 2ZR.C3 UVE 7.7Y-A1 NJ305E- TVP2.C4.BL UVE 7X-A1 NJ305E- UVE 3W-A1 TVP2.C4.BL UVE 7.7Y-A2 6309 UVE 7X-A2 2Z C4 WT UVE 3W-A2 UVE 11Y-A1 NJ306E- TVP2.C4.BL UVE 10X-A1 NJ306E- UVE 5W-A1 TVP2.C4.BL UVF 20Y-A1 NJ2308E- TVP2.C4.BL UVF 18X-A1 NJ2308E- TVP2.C4.BL UVF 11W-A1 NJ308E- UVF 6V-A1 TVP2.C4.BL UVF 24X-A1 NJ2309E- TVP2.C4.BL UVF 16W-A1 NJ309E- UVF 9V-A1 TVP2.C4.BL The motor bearings are permanently lubricated. Unbalance motors, type UVE... and larger, which have lubrication nipples, can be relubricated. The appropriate lubrication nipples (type: DIN 71412-AM...) are located on the outer housing of the motors and are normally covered by plastic caps. Systematical relubrication extends the life cycle of the bearings of the unbalance motors. The necessary amount of grease for relubrication and the recommended lubricant that is used by AViTEQ is shown in the following tables. Amount of grease for initial lubrication Bearing replacement interval without relubrication Relubrication interval Number of allowed relubrications - - - No relubrication possible - - - - - - - - - - - - - - - - - - - - - No relubrication possible No relubrication possible No relubrication possible Amount of grease for relubrication Lubricant Bearing replacement interval with relubrication - - - - - - - - - - - - - - - - - - - - - - - No relubrication - - - - - - - - - possible - - - - 8 g 4.000 h - No relubrication - ISOFLEX - possible NBU 15 8 g 8.000 h - No relubrication - STABURAGS - 8 g 24.000 h - possible - NBU 8EP - - - - No relubrication - - - - - - possible - - - - - - - 12 g 2.650 h 800 h 5 6 g ISOFLEX 4.000 h NBU 15 12 g 6.500 h 2.000 h 5 5 g STABURAGS 10.000 h 12 g 16.000 h 4.800 h 5 5 g NBU 8EP 24.000 h 30 g 4.000 h 1.200 h 5 15 g ISOFLEX 6.000 h NBU 15 30 g 13.200 h 4.000 h 5 12 g STABURAGS 20.000 h NBU 8EP 30 g 16.000 h 4.800 h 5 12 g STABURAGS 24.000 h 30 g 16.000 h 4.800 h 5 12 g NBU 8EP 24.000 h 35 g 8.000 h 2.400 h 5 14 g STABURAGS 12.000 h NBU 8EP 30 g 16.000 h 4.800 h 5 12 g STABURAGS 24.000 h 28 g 16.000 h 4.800 h 5 12 g NBU 8EP 24.000 h Table 6-1 (Part 1) Relubrication intervals and amounts of grease for new lubrication and relubrication for normal operating conditions ........................................................................................................................................................................................................................................................................................................................................................................................... © 2009 AViTEQ Vibrationstechnik GmbH Version 04/2009 39 / 48
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Operating Manual Unbalance Motors - AViTEQ Triltechniek

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