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MAINTENANCE
OILING MOTOR – Proper lubrication of the motor will prolong its service life. Oil sleeve bearing motors with 6 drops
of SAE 20 oil once a year. DO NOT OVER OIL. Ball-bearing motors do not require oiling under normal service con-
ditions. The bearing type is printed on the motor nameplate.
FILTER – The oil filter cartridge should be replaced once a year so the fuel oil will not become contaminated and plug
up fuel unit and nozzle of oil burner.
NOZZLE – The nozzle should be changed at least once a year before the start-up of the heating season. Replace
with proper nozzle.
COMPONENTS – If for any reason any of the burner parts have to be replaced, always use parts recommended by
the manufacturer. Specify part numbers and description when ordering. (IN ALL COMMUNICATIONS STATE BURN-
ER MODEL AND SERIAL NUMBERS).
ELECTRODE SETTINGS – This is very important for reliable ignition of the oil; check these once a year in accor-
dance with the instructions provided in this manual. Replace electrodes if worn excessively or if porcelain insulator is
oil soaked or cracked.
FAN & BLOWER HOUSING – This must be kept clean, free of dirt and lint; open transformer and off cycle damper
to check fan blades from above. CAUTION: Be sure the electric power is off on burner when the transformer is opened
up for this inspection.
SUGGESTED COMBUSTION CHAMBER DIMENSIONS
Firing
Rate
(GPH)
0.50
0.75
0.85
1.00
1.25
1.35
1.50
1.65
2.00
2.50
3.00
INTERMITTENT IGNITION
TO USE WITH LINE VOLTAGE THERMOSTAT JUMPER TERMINALS T T AND ADO THERMOSTAT AS SHOWN
AT 1 IN SERIES WITH LIMIT CONTROL.
CONVERSION OR UPGRADING
CHAMBER DIMENSION (IN INCHES)
Diameter
Square
Chamber
Chamber
7 x 7
8 x 8
8 1/2 x 8 1/2
9 x 9
10 x 10
10 1/2 x 10 1/2
11 x 11
11 1/2 x 11 1/2
12 5/8 x 12 5/8
14 1/4 x 14 1/4
15 1/2 x 15 1/2
Round
Height
8
11
9
12
9
12
10 1/8
12 1/2
11 1/4
12 1/2
11 3/4
12 3/4
12 3/8
13
13
13 3/4
14 1/4
13 3/4
16
14
17 1/2
15
INTERRUPTED IGNITION
Nozzle
To
Floor
5 - 6
5 - 6
5 - 6
5 - 6
5 - 6
5 - 6
5 - 6
5 - 6
6 - 7
7 - 8
7 - 8
5
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