How to lube an electric fan motor

Written by nichole liandi
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How to lube an electric fan motor
Regular lubrication can extend the life of your fan. (power supply cooler image by Galyna Andrushko from Fotolia.com)

Electric fan motors, like any electrical motors, require periodic lubrication to ensure smooth operation. In addition, a regularly lubricated motor will operate more efficiently and cooler, leading to a longer lifespan. Lubricating the electric motor in your fan takes only a few moments and doesn't require any special tools.

Skill level:
Easy

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Things you need

  • Screwdriver or Allen wrench
  • Light lubricating oil -- 10 or 20 SAE

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Instructions

  1. 1

    Unplug the fan.

  2. 2

    Remove the front grille. This is usually held on with a set of small screws or Allen bolts.

  3. 3

    Lay the fan flat, with the blades pointing up. Pull upwards firmly on the blades to slide them off of the shaft of the motor. Sometimes a metal clip will be on the back of the blades to hold it onto the post. If so, pry it off with a screwdriver first.

  4. 4

    Drop several drops of lubricating oil into the small lubrication ports on each side of the motor housing. Drop several more drops around the base of the motor's shaft and let them soak in.

  5. 5

    Wipe the shaft of the motor with a lint-free rag. Replace the fan blades and fan grille.

Tips and warnings

  • Unplug the fan before working on it.

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