A XES SC MANUAL
IOM-58 27 of 30 June 14 R5
FAN LUBRICATION
No lubrication of the fan bearings is necessary. Both ball and sleeve fan bearings are permanently
lubricated for their life.
MOTOR LUBRICATION
Generally motor should be lubricated with a few drops of non-detergent SAE NO. 20 or SAE 30 oil once
each year. DO NOT over-oil or use light-weight household oil.
INSPECTION AND CLEANING
Appliances should be inspected once every four months during the heating season where the equipment is
operating under normal conditions. If the furnace is located where unusual amounts of dust or soot or
other impurities are contained in the air, more frequent inspection is recommended.
It is good maintenance practice to thoroughly vacuum the fan compartment, fan and burner compartment
at least once per year, to remove accumulated dust. The fan can be removed for cleaning.
FILTERS
Filter-changing intervals can be based on the pressure drop across the filter or by calendar scheduling or
visual inspection. Scheduled intervals should be between one and six months, depending on the pollutant
loading from indoor and outdoor air. More-frequent changes may be required during the economizer
season.
Units that operate with high levels of outside air should have filters removed (or moved to winter filter
location if available) during the winter months in areas that have heavy frost or snow.
Plugged or excessively dirty filters can cause damage to the equipment. See submittal record for filter
quantities, sizes and types. Use same size and type for replacement.
1. High Velocity Permanent:
It is important that the filters be checked and cleaned regularly during the period immediately
following installation, in order to determine the best service interval. To clean, rinse with water.
Shake off excess water and re-install. These filters do not require an oil adhesive.
2. Pleated Throwaway and/or Replaceable Media (Cartridge, Bag):
Replacement filters can be obtained from any Engineered Air representative.
In some applications the used filters/media may contain chemical or biological hazards. All local, regional
and national regulations for safety and disposal should always be followed.
CONTROLS
Annually clean and recalibrate all controls, check for proper operation, and repair or replace any faulty
controls. Check all damper hardware settings every three months. Replace blown fuses with equivalent
size and type fuse. Failure to do so can result in damage to the unit.
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