March 2022

Master-Bilt® Refrigeration News & Product Information

Service Tips: Spring Preventative Maintenance


Get the service you need by calling 800-684-8988.

Spring is in the air, and with it comes maintenance season for refrigeration equipment. In fact, Spring maintenance is arguably the most important check-up of the year for refrigeration, as it ensures equipment is in top condition for the summer months. As part of your service plan, have your service tech thoroughly inspect your refrigeration system and walk-in. Most service providers will have a list of items to check which should include the items below. Feel free to share this list with your provider beforehand to be sure all the bases are covered.

Refrigeration Systems:

  • Cycle unit and check operations of refrigeration and defrost modes
  • Clean and inspect evaporator and condenser coils
  • Inspect and secure all electrical connections
  • Check relays and contactors for wear or pitting
  • Check start components for motors
  • Check motor and heater amp draws
  • Inspect and clean motors, especially around rear air vents
  • Inspect fan blades, shafts and bearings
  • Check oil level (if applicable)
  • Check and tighten flare, quick connect and rotolock fittings
  • Ensure sight glass is clear
  • Blow out and flush condensate drains
  • Ensure drain pans are free of debris
  • Inspect drier for restrictions by ensuring there is no temperature drop across it
  • Make sure all covers and panels are securely fastened when completed

Walk In Coolers & Freezers:

  • Check door alignment, door closer and hinges
  • Check door gasket for any tears or damage
  • Check and adjust door sweep
  • Inspect heated vent ports for proper operations
  • Make sure lighting is in working order
  • Inspect door control, alarm and/or thermometer

A Couple Of Other Important Tips:

  • It is best to perform a full preventative maintenance check on refrigeration equipment every three to six months depending on application and site conditions
  • Be sure to clean condensers at least every three months