Mk-diamond Baldor Motor User Manual

7/14 Installation & Operating Manual MN408Integral HorsepowerAC Induction MotorsODP, WPI EnclosuresTENV, TEAO, TEFC EnclosureExplosion Proof

1-6 General Information MN408

Installation & Operation 2-1MN428Section 2Installation & Operation Overview Installation should conform to the National Electrical Code as we

2-2 Installation & Operation MN428Frame Mounting HolesSome motors have standardized frames containing 6 or 8 mounting holes. 6 hole frames are no

Installation & Operation 2-3MN428Use a at washer and lock washer under each nut or bolt head to hold the motor feet secure.Flanged nuts or bolts

2-4 Installation & Operation MN428AC Power Motors with ying lead construction must be properly terminated and insulated.Connect the motor leads

Installation & Operation 2-5MN428Connection Diagrams

2-6 Installation & Operation MN428Connection Diagrams Continued

Installation & Operation 2-7MN428Figure 2-3 Typical Motor Performance VS Voltage VariationsInitial Lubrication Baldor•Reliance motors are shipped

2-8 Installation & Operation MN42810. After 1 hour of operation, disconnect power and connect the load to the motor shaft. Verify all coupling

Installation & Operation 2-9MN428If thermostats are provided as a condition of certication, it is the installer’s responsibility to make sure tha

Any trademarks used in this manual are the property of their respective owners.Important: Be sure to check www.baldor.com to download the latest versi

2-10 Installation & Operation MN4281. Motor load exceeding service factor nameplate value2. Ambient temperatures above nameplate value3. Vo

Installation & Operation 2-11MN428Repair of Motors used in Hazardous LocationsRepair of hazardous certied motors requires additional information,

2-12 Installation & Operation MN428

Maintenance & Troubleshooting 3-1MN408Section 3Maintenance & Troubleshooting WARNING: UL and EX Listed motors must only be serviced by UL or

3-2 Maintenance & Troubleshooting MN408Relubrication Intervals Recommended relubrication intervals are shown in Table 3-1. It is important to rea

Maintenance & Troubleshooting 3-3MN408Table 3-4 Bearings Sizes and TypesFrame SizeNEMA (IEC)Bearing Description (These are the “Large” bearing

3-4 Maintenance & Troubleshooting MN408Without Grease ProvisionsNote: Only a Baldor authorized and UL or CSA certied service center can disassem

Maintenance & Troubleshooting 3-5MN408Table 3-6 Troubleshooting ChartSymptom Possible Causes Possible SolutionsMotor will not startUsually cause

3-6 Maintenance & Troubleshooting MN408Suggested bearing and winding RTD setting guidelines for Non−Hazardous Locations ONLYMost large frame AC

iMN408Table of ContentsSection 1 General Information ... 1-1Overview ...

Baldor Electric CompanyP.O. Box 2400, Fort Smith, AR 72902-2400 U.S.A., Ph: (1) 479.646.4711, Fax (1) 479.648.5792, International Fax (1) 479.648.5895

ii MN408

General Information 1-1MN408Section 1General Information Overview This manual contains general procedures that apply to Baldor Motor products. Be sur

1-2 General Information MN408Safety Notice ContinuedWARNING: Do not use non UL/CSA listed explosion proof motors in the presence of flammable or com

General Information 1-3MN408Storage Storage requirements for motors and generators that will not be placed in service for at least six months from da

1-4 General Information MN4086. All breather drains are to be fully operable while in storage (drain plugs removed). The motors must be stored so

General Information 1-5MN408Equipment Marking for IEC Certified ProductIEC certied products have special markings that identify the protection concept