Smile Heating & Cooling Inc. A More About Heating And Cooling Systems | Page 9

FURNACE INSPECTION
 Blower meter, wheel, and housing- Inspection and cleaning of the blower meter, wheel and
housing are very necessary for furnace maintenance. The experts inspecting the furnace should
ensure these furnace parts are in good shape and are very clean to ensure effective working of
the furnace
 Lubrication of the blower meter- This applies to the old models of the furnace. After lubrication
of the blower meter, the belt should be checked and restored if there is a need to. Lubrication
of the blower meter would ensure smooth functioning of the furnace.
 Combustion blower should also be checked- The procedure involves inspecting the combustion
blower to look for any obstructions and lint. The combustion tower should also be cleaned
effectively.
 Gas furnace- In gas furnaces, inspection of any gas leakages is an important step that must be
undertaken. If there are any leakages, the broken parts should be sealed immediately to stop
further gas leakages.
 Checking of the evaporator coil- The furnace’s evaporator coil should be checked and if
necessary replaced. This would ensure effective working of the system.
 Electrical system- During the inspection, checking of the electrical system is a vital procedure
that must be done. The electrical system of a furnace entails control box, wiring, and
connections. The electrical system should be checked during every inspection.
 Checking of the Flue system- In the flue system, a good connection should be ensured.
Inspection for any occurrence of corrosion should also be done.