GM9S80 Installation Manual
34
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service agency at least once per year. This check should be
performed at the beginning of the heating season. This will
ensure that all furnace components are in proper working or-
der and that the heating system functions appropriately. Pay
particular attention to the following items. Repair or service
as necessary.
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and internal to the furnace.
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within the heat exchanger passageways.
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cleaned (permanent) or replaced (disposable) as required.
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performance.
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return register or the ductwork near the furnace.
To remove:
1.
2. Remove filter(s) from the central return register or
ductwork.
3.
4. Turn ON electrical power to furnace.
heating season. Turn on the furnace at the thermostat and
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should be stable, quiet, soft, and blue (dust may cause or-
ange tips but they must not be yellow). They should extend
The bearings in the induced draft blower and circulator blow-
er motors are permanently lubricated by the manufacturer.
as necessary.
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at the beginning of each heating season.