Emerson LARGE AC ELECTRIC MOTORS, 986269 manual Trouble Possible Cause Correction

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U.S. ELECTRICAL MOTORS INSTALLATION AND MAINTENANCE

Troubleshooting

TROUBLE

POSSIBLE CAUSE

CORRECTION

Motor overheating (Check with

Overload

Measure load; compare with nameplate

thermocouple or by resistance

 

rating; check for excessive friction in

methods - do not depend on hand)

 

motor or complete drive. Reduce load

 

 

or replace motor with greater capacity

 

 

motor.

 

 

 

 

Dirt in motor intake or exhaust

Clean motor intake and exhaust areas.

 

openings

Clean filters or screens if motor is so

 

 

equipped. See safety section.

 

 

 

 

Unbalanced voltage

Check voltage, all phases.

 

 

 

 

Open stator windings

Disconnect motor from load. Check

 

 

idle amps for balance in all three

 

 

phases. Check stator resistance in all

 

 

three phases for balance. See safety

 

 

section.

 

 

 

 

Over / under voltage

Check voltage and compare to

 

 

nameplate voltage.

 

 

 

 

Ground

Locate with test lamp or insulation

 

 

tester and repair.

 

 

 

 

Improper connections

Recheck connections.

 

 

 

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Contents Titan Page Safety Safety FirstTable of Contents Page Shipment II. HandlingStorage III. StorageStorage Storage Foundation Installation Location FoundationInstallation Location GroutingInitial Installation Initial InstallationAngular Misalignment Flexible CouplingsParallel Alignment Operated uncoupled from driven equipment Velocity, Inches per second Normal OperationNO-LOAD Vibration Limits Speed, RPMNormal Operation DowelingVIII. Doweling IX. Disassembly Disassembly ReassemblyReassembly Dowel PIN Holes Lubrication XI. LubricationManufacturer Description Electrical Motors Recommended Fastener Torque Values Renewal Parts ServiceXII. Renewal Parts and Service Fastener Size Torque* Ft.- LbsCutaway Drawings XIII. CutawaydrawingsTroubleshooting XIV Troubleshooting Possible Cause CorrectionTrouble Possible Cause Correction Installation Record Record

986269, LARGE AC ELECTRIC MOTORS specifications

Emerson Large AC Electric Motors, specifically model 986269, exemplify cutting-edge technology and exceptional design, catering to the diverse needs of industrial applications. These motors are engineered for reliability, efficiency, and performance, making them suitable for various sectors, including manufacturing, mining, and oil and gas.

One of the standout features of the Emerson 986269 motor is its robust construction. Built to withstand harsh operational environments, this motor has a durable housing that protects it from external contaminants such as dust, moisture, and chemicals, thereby prolonging its lifespan. The design promotes efficient heat dissipation, which minimizes overheating risks and enhances both performance and reliability.

Energy efficiency is a critical aspect of the Emerson 986269 AC electric motor. Utilizing advanced design methodologies, the motor offers high efficiency ratings, which translates into lower operational costs and reduced carbon footprints. It meets or exceeds the latest efficiency standards, making it an eco-friendly choice while ensuring optimal performance in various applications.

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The motor employs state-of-the-art technologies such as premium-quality bearings and insulation systems, contributing to its quiet operation and minimal maintenance requirements. This means reduced downtime and increased productivity, both vital for maintaining competitive advantages in today's fast-paced industrial landscape.

Moreover, Emerson's commitment to safety is reflected in the design of the 986269 motor. It is equipped with advanced thermal protection features and complies with international safety standards, ensuring secure operation even in challenging conditions.

In conclusion, the Emerson Large AC Electric Motor 986269 sets the benchmark for performance, reliability, and efficiency in industrial applications. With its robust construction, energy-efficient design, and advanced technologies, it is an investment that promises long-term operational benefits and peace of mind for users. Whether for heavy-duty tasks or general industrial use, this motor remains a top choice for companies aiming to enhance their operational efficiency and productivity.