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®
Maintenance Instructions
MRH Motor Reel
Gleason Reel Corp.
600 South Clark St. • P.O Box 26
®
Mayville, WI 53050
920-387-4120
®
www.hubbell-gleason.com
HUBBELL A Hubbell Company
Bulletin 049964
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Wiring Motor can be wired for either 230 volt or 460 volt, 3 phase, 60 hz A.C. Follow jumper diagrams below. NOTE: Wiring should be done only by qualified, licensed electrician. Failure to follow standard safety precautions could lead to serious injury. BLK V2 W1 BRN GRN U2 YLW V1 BLU W2 U1 RED View inside Motor Junction Box W1 L1 L1 W1 V2 V2 V1 L2 L2 V1 U2 U2 U1 L3 L3 U1 W2 W2 (D) (Y) 230 volts 460 volts Jumpering Diagrams 2 11
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10 3
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4 9
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HOW TORQUE UNIT WORKS Gleason series MRH reels feature torque units which work on a patented self braking hydro- dynamic clutch system. The Functions of the torque unit are: • To provide a constant torque on the drum shaft. • To gear the drum rotating speed to the reeling diameter of the cable. • To brake the drum when stationary. • To allow a controlled unreeling of the cable. • To regulate the torque output according to the requirements of each application. The torque unit is powered by a mot
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Following is a brief description of the torque unit components: (Please refer to drawing on page 5) The bronze crown gear (item 3) has specially machined surfaces on both sides. Freely mounted on the drum shaft (item 1), the crown gear is linked to the motor via a worm gear (item 2). There are two friction plates (items 4 & 5), one on each side of the crown gear. They are made of steel and are fixed to the drum shaft with keys. The friction plates are also specially machined so that an oil film
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Following is a brief description of the torque unit components: (Please refer to drawing on page 5) The bronze crown gear (item 3) has specially machined surfaces on both sides. Freely mounted on the drum shaft (item 1), the crown gear is linked to the motor via a worm gear (item 2). There are two friction plates (items 4 & 5), one on each side of the crown gear. They are made of steel and are fixed to the drum shaft with keys. The friction plates are also specially machined so that an oil film
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HOW TORQUE UNIT WORKS Gleason series MRH reels feature torque units which work on a patented self braking hydro- dynamic clutch system. The Functions of the torque unit are: • To provide a constant torque on the drum shaft. • To gear the drum rotating speed to the reeling diameter of the cable. • To brake the drum when stationary. • To allow a controlled unreeling of the cable. • To regulate the torque output according to the requirements of each application. The torque unit is powered by a mot
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4 9
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10 3
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Wiring Motor can be wired for either 230 volt or 460 volt, 3 phase, 60 hz A.C. Follow jumper diagrams below. NOTE: Wiring should be done only by qualified, licensed electrician. Failure to follow standard safety precautions could lead to serious injury. BLK V2 W1 BRN GRN U2 YLW V1 BLU W2 U1 RED View inside Motor Junction Box W1 L1 L1 W1 V2 V2 V1 L2 L2 V1 U2 U2 U1 L3 L3 U1 W2 W2 (D) (Y) 230 volts 460 volts Jumpering Diagrams 2 11
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® Maintenance Instructions MRH Motor Reel Gleason Reel Corp. 600 South Clark St. • P.O Box 26 ® Mayville, WI 53050 920-387-4120 ® www.hubbell-gleason.com HUBBELL A Hubbell Company Bulletin 049964
