G12R-110FILTERSERVICE
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FIGURE ! 1
G12R-137/165 FILTER SERVICE
FILTERSUppORT
FILTERRACK
SIDES
FIGURE 12
F-Filter Service for G12R-1371165 Units
1-Turn off power to furnace at unit disconnect
switch. See figure 4.
2- Remove blower access panel and blower com-
partment i_nels.
3- Lift filter vertically, and drop it down through lower
slot in litter rack side, Sea figure 12.
4-Drop filter into blower eomparlment. Turn frlter
and remove.
5- Repeat for other filter.
6- Reusable type filters supplied can be washed with
water end a mild detergent. When dry. filters
should be swayed with filter Handicoater before
replacing. Filter Handicoater is liP products No.
418 and is available as Lennox part no. P-8-5069.
7- Reverse order of above steps to reinstall filters.
I
PILOT FLAME
(side View)
FLAME SENSOR
FIGURE 7
FIGURE 3
V-PLOT AND BURNER FLAME
CAUTION-Before each heating season and periodi-
cally thereafter inspect burner flame to ensure
proper eI_rttlo_.
!- Pilot F)ame--Pt]o! flame must surround the end of
flame sensor for proper operation of pilot safety-
circuit.
2- Burner Flame--Start burner and allow to operate
for e few minutes to establish normal burning con-
ditions. Check burner" flame by observation.
Flame should be predominantly blue in color,
strong in appearance'and should dso directly from
the burner ports in the heat exchanger.
VI-LUBRICATION
BJower Mozore-Motors are prelubrlcated and sealed
for extended life. No further lubrication is needed.
Page 6
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