Lodge Manufacturing GMD1-80N ユーザーズマニュアル

 

 38

 
A qualified heating contractor should perform the following maintenance 
procedures at the beginning of each heating season.  Correct any deficiencies at 
once. 
 
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? WARNING:  Personal injury or property damage could result from repair or 

service of this furnace by anyone other than a qualified heating contractor.  Only 
the homeowner/user routine maintenance described in the Users Information 
Manual may be performed by the user. 
 
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? WARNING:  To avoid injury from moving parts, shut off the power to the 

furnace before removing blower compartment door. 
 
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? CAUTION:  Label wires prior to disconnection when servicing controls.  Wiring 

errors can cause improper and dangerous operation. 
 
A.  ELECTRICAL: 
 

1.  Check all wiring for loose connections and any signs of damage or unusual wear. 
2.  Check for correct voltage at the furnace when operating. 
3.  Check amp-draw on blower motor and inducer motor to assure they are not 

exceeding nameplate amp rating. 

4.  Check for correct operation and proper settings (if manually adjustable) of all 

controls. 

 
B.  BURNERS 
 
If it appears that material is accumulating in the burner box, the burner box cover can 
be removed and the box and burners can be vacuumed.  If necessary, the burners 
assembly can be removed by taking out the two screws/one on each bracket on top of 
burner box and removing the burner manifold assembly.  Assembly must be pulled & 
tilted down in order to remove from box.  If necessary, the individual tubes can be 
cleaned out using compressed air to blow out the individual tubes.  Care must be taken 
not to damage the igniter. 
 
C.  INDUCER BLOWER ASSEMBLY 
 
Inspect the pressure switch and tubing connections and inspect the blower/assembly 
for warpage, deterioration and carbon or other build-up.  If necessary, clean the 
accessible portions of the housing and blower with a damp cloth.  Vacuum to remove 
any lint or dust from the motor assembly.