MicroMain Corporation has gathered preventive maintenance tasks from various sources into this PM Task Library.  Most of these tasks have been obtained from the General Services Administration preventive maintenance procedures. We have also provided individual files for each task in Microsoft® Word format.

A partial list of the PM Task Library includes:

Air Dryer, Refrigerated or Regenerative Desiccant Type
Unitary, Heating and Cooling Unit
Humidification Systems
Air Compressor
Air Conditioning Machine; Split System
Air Conditioning Machine Package Unit (Comfort Cooling) 
Air Conditioning Machine, Package Unit (Special Purpose) 
Air Conditioning, Window Unit
Air Cooled Condenser
Heat Pumps
Air Handler Unit
Glycol Dry Cooler
Air Conditioning Unit, Ceiling/Wall Mounted
Air Washer or Wet Coil System
After–Cooler/Separator
Ash Conveyor Tube (Pneumatic and Hydraulic) 
Battery Charger
Boiler (Coal, Oil, and Gas) 
Burners, Gas
Burner, Oil
Electric Boilers
Boiler Instrument/Control
Clocks, Central System
Remote Air Intake Dampers
Coils Preheat, Reheat, Etc (Remote Locations) 
Central Mini–Computer, HVAC Systems
Automatic Mixing Box Pneumatic or Electric
Controls, Central System, Heating and Air Conditioning
Condensate or Vacuum Pump
Central Control Panel
Cooling Tower, Maintenance
Cooling Tower, Cleaning
Emergency Generator
Evaporative Condenser
Crane, Electric
Chain Hoist and Trolley
Cooling Pond
Carts and Scooters (Engine or Battery Powered) 
Condensing Unit, Refrigeration