How to Replace the Motor & Fan Wheels on a Mars LPV2 Air Curtain | Mars University

Описание: This Mars University service training video provides a step-by-step guide on how to safely replace the motor and fan wheels on a Mars LPV2 (LoPro Series) air curtain.
Designed for technicians, installers, and service representatives, this tutorial walks through the full replacement process—from locking out power to removing blower wheels and installing a new motor with proper fan wheel orientation. The video highlights critical service tips to help ensure correct airflow direction, secure component installation, and reliable operation after reassembly.
While this demonstration features an LPV2 LoPro Series air curtain, the general motor and fan wheel replacement procedures apply across the Mars LPV2 (LoPro Series) lineup.
Topics covered include:
• Locking out and verifying power is off
• Removing top and bottom covers
• Disconnecting and managing electrical wiring
• Removing blower (fan) wheels
• Removing and installing the motor
• Correct fan wheel orientation (blades facing the discharge)
• Applying threadlocker to set screws
• Securing wiring and final reassembly checks
Following these procedures helps ensure safe service, proper airflow performance, and long-term air curtain reliability.

Tools Required
• T-handle Allen wrench (for fan wheel set screws)
• 5/16-inch socket wrench
• Socket extension
• Standard screwdriver (for cover removal)
• New cable ties
• Magnetic socket (recommended)
• Threadlocker, such as Loctite (recommended)

Helpful Resources
• LPV2 Submittal & Technical Documentation (see parts breakdown):
https://www.marsair.com/Downloads/Sub...
• Request Replacement Parts:
https://www.marsair.com/parts
For more air curtain service, maintenance, and troubleshooting videos, explore the full Mars University playlist.