Emerson manual R M, 8610E Revised July

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Installation and Maintenance Manual

For CbN Series 2000

Gearmotors and Reducers

Emerson Industrial Automation

7120 New Buffington Road

Florence, KY 41042

Application Engineering: 800 626 2093

www.emerson-ept.com

F O R M

8610E

Revised

July 2006

Read and follow all instructions carefully.

Disconnect and lock-out power before installation and maintenance. Working on or near energized equipment can result in severe injury or death.

Do not operate equipment without guards in place. Exposed equipment can result in severe injury or death.

Periodic inspections should be performed. Failure to perform proper maintenance can result in premature product failure and personal injury.

*US Motors is believed to be a trademark and/or trade name of Nidec Motor Corporation, and is not owned or controlled by Emerson Power Transmission

Browning, Emerson and Emerson Industrial Automation are trademarks of Emerson Electric Co. or one of its affiliated companies.

©2006 Emerson Power Transmission Corps., All Rights Reserved.   MCIM11023E • Form# 8610E • Printed in USA

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Contents 8610E Revised July R MCbN Series Maintenance Installation InstructionsStart-Up Face Assembly One-Piece Splined Coupling Mounting Positions Foot Mount S B53 B52B54 Oil Capacities U.S. Quarts Mounting Positions Standard Synthetic Gear OilB52 B53 B54 Positions of Plugs and Breathers Reducer Position of Plugs and Breathers Gearmotors CBN 21 Single Reduction Spare Unit or Parts Orders CbN 2101 to 2501 Parts List Description QtyCbN 21 Double Reduction Triple Reduction CbN 21 to 25 Maintenance Parts CbN 21 to 25 Parts ListCbN 26 Double Reduction Triple Reduction CbN 26 to 29 Maintenance Parts CbN 26 to 29 Parts ListCbN 061 062 065 066CbN 20 Size Face Input AP Input Shaft AD Backstop Assembly CbN Maintenance PartsCbN 23 Input Shaft With Backstop Description Qty CbN 26AD Backstop Kit Description Qty CbN Face Input With Coupling AP Input ShaftCbN 26 Quantity Per Unit Maintenance Parts Gear Motor BearingsFrame CbN Part Number Size Maintenance Parts Description Qty