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Assembly - TM-5-3895-374-24-2_682
Gathering Conveyor Removal, Repair and Replacement

TM-5-3895-374-24-2 M081 Asphalt Mixing Plant Manual
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TM 5-3895-374-24-2 GENERAL The vibrators are electric motors dust-proof and hose proof designed with eccentrics located a at the ends of the shaft . According  to  the  types  they  operate  either  directly  from  the  network  or  through  the  medium  of  a  frequency  converter. Standard voltages are 220v/380v-3phases-50OHz or 220v/440v-3phases-60Hz from the network and 42v-3phases-200Hz from a frequency converter.  Other voltages and frequencies can be delivered on request . DESIGN The  vibrators  consist  of  3  phases  induction  motor  equipped  with  adjustable  eccentrics  located  at  the  ends  of  the  shaft, inside easily removable end covers .  The insulation class of the motor winding as well as the characteristics of the grease in the bearings allow the vibrator to operate in the best conditions of reliability . The casings are made either cast graphite spheroidal iron or cast aluminium, according to the types .  Two casings are available in 6000 r.p.m ranges: - Casing for bolts mounting . - Casing for bracket mounting . The bracket mounting allows to move the vibrator very fast from a place to an other. Only the bolt casing is available in 1000/1200 ,1500/1800 and 3000/3600 r.p.m . However accessories are provided to make these vibrators mounting on specific brackets . The end covers are made of either pressed steel sheet or cast aluminium . High capacity bearings have been selected to withstand the high centrifugal forces generated . The electric motors use high quality magnetic materials and are specially designed to work in vibration conditions .  They have a high efficiency which involves the biggest centrifugal force in the smallest volume . TECHNICAL DATAS: Common datas: - Degree of protection : IP 65 (Dust-proof and Hose-proof). - Motor insulation class: F ( 155°C) (310°F). - Ambient temperature: -10°C to +40°C ( 140F to 104°F ). Electrical supply: - Vibrators 1000/1200, 1500/1800, 3000/3600 r.p.m: Standard: 1) 220v/380v-3phases-501{z. 2) 220v/440v-3phases-60Hz. voltage accuracy: +- 5% frequency accuracy: +- 1% - Vibrators 6000 r.p.m: Standard: 42v to 48v-3phases-200Hz ( Fequency converter supply ). - NOTE: Other voltages and frequencies are available on request . (page 3 - 1317)







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