Introduction
This manual provides essential instructions for the safe and efficient installation, operation, and maintenance of your Leeson 7.5 HP Single Phase Electric Motor, Model 132044.10. Please read this manual thoroughly before attempting to install or operate the motor. Retain this manual for future reference.

Image: Leeson 7.5 HP Single Phase Electric Motor, Model 132044.10. This image displays the motor from a side angle, highlighting its robust construction and key components such as the shaft and mounting base.
Safety Information
Always prioritize safety when working with electrical equipment. Failure to follow these safety guidelines can result in serious injury or property damage.
- Electrical Hazard: Ensure power is disconnected before installation, maintenance, or inspection. Only qualified personnel should perform electrical wiring.
- Rotating Parts: Keep hands, clothing, and tools clear of rotating parts during operation.
- Proper Grounding: The motor must be properly grounded according to local and national electrical codes.
- Ventilation: Ensure adequate ventilation around the motor to prevent overheating.
- Overload Protection: Install appropriate overload protection devices as required by electrical codes.
Setup and Installation
Careful installation is crucial for the motor's performance and longevity.
- Unpacking: Carefully remove the motor from its packaging. Inspect for any shipping damage. Report any damage immediately.
- Mounting: This motor features a rigid base mount. Securely fasten the motor to a stable, level surface using appropriate bolts and hardware. Ensure the mounting surface can support the motor's weight (approximately 120 pounds) and operational forces.
- Shaft Connection: The motor has a 1 1/8" diameter keyed shaft with a length of 2 3/4". Connect the driven equipment to the motor shaft using a suitable coupling or pulley system. Ensure proper alignment to prevent excessive vibration and premature wear.
- Electrical Wiring:
- Verify the power supply matches the motor's voltage requirements (208-230 Volts, 60Hz, Single Phase).
- Connect the motor wiring to the power supply according to the wiring diagram provided on the motor's nameplate or in the specific wiring instructions for your model.
- Ensure all connections are tight and insulated.
- Install appropriate circuit breakers and motor starters with overload protection suitable for 31.0 amps.
- Rotation Direction: The motor is reversible. If the desired rotation direction is not achieved upon initial startup, consult the motor's wiring diagram for instructions on how to reverse the rotation. This typically involves changing specific wire connections.
Operating Instructions
Once installed, follow these steps for safe operation.
- Pre-Operation Check: Before starting, ensure all connections are secure, mounting bolts are tight, and there are no obstructions around the motor or driven equipment.
- Initial Startup: Apply power to the motor. Observe for unusual noises, vibrations, or excessive heat. If any abnormalities are detected, immediately shut off power and investigate the cause.
- Monitoring: During operation, periodically check the motor's temperature. The motor is designed with a Service Factor of 1.15, indicating its ability to handle momentary overloads. However, continuous operation above rated load or in high ambient temperatures can lead to overheating.
Maintenance
Regular maintenance ensures optimal performance and extends the lifespan of your motor.
- Inspection: Periodically inspect the motor for dirt, dust, and debris accumulation. Keep ventilation openings clear.
- Bearings: This motor is equipped with ball bearings. Refer to the motor's nameplate or specific documentation for lubrication requirements, if any. Many modern motors feature sealed-for-life bearings that do not require lubrication.
- Connections: Check electrical connections for tightness and signs of corrosion.
- Vibration: Monitor for any increase in vibration, which could indicate misalignment or bearing wear.
- Cleaning: Use compressed air to clean dust and debris from the motor's exterior and cooling fins. Ensure power is disconnected before cleaning.
Troubleshooting
This section provides guidance for common issues. For complex problems, consult a qualified electrician or motor technician.
| Problem | Possible Cause | Solution |
|---|---|---|
| Motor does not start | No power, incorrect wiring, tripped overload, seized bearings. | Check power supply, verify wiring, reset overload, inspect bearings. |
| Motor overheats | Overload, poor ventilation, low voltage, bearing issues. | Reduce load, clear ventilation, check voltage, inspect bearings. |
| Excessive noise or vibration | Misalignment, loose mounting, worn bearings, unbalanced load. | Check alignment, tighten mounts, inspect/replace bearings, balance load. |
Specifications
Key technical specifications for the Leeson 132044.10 Electric Motor:
- Brand: Leeson
- Model: 132044.10
- Horsepower: 7.5 HP
- Phase: Single Phase (1ph)
- Voltage: 208-230 Volts
- Frequency: 60 Hz
- Amperage: 31.0 Amps (at 230V)
- Speed: 3450 RPM
- Frame: 184T
- Shaft Diameter: 1 1/8 inches
- Shaft Length: 2 3/4 inches
- Service Factor: 1.15
- Mounting: Rigid Base Mount
- Bearings: Ball Bearings
- Material: Copper windings
- Approximate Item Weight: 120 Pounds
- Reversible: Yes
Warranty and Support
Specific warranty details for the Leeson 132044.10 motor are typically provided at the point of purchase or within separate documentation included with the product. Please refer to your purchase receipt or contact the vendor for warranty information.
For technical support or service inquiries, please contact Leeson customer service or an authorized Leeson service center. Contact information can usually be found on the manufacturer's official website or on the motor's nameplate.







