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Figure 5 – Nozzle and Nozzle Line Assembly
Figure 6 – Nozzle Line Assembly in Burner
Mount Air Tube to Burner
Remove the rear access door from the back of the
burner for improved access to the interior.
Attach the air tube to the burner with the bolts and acorn
nuts provided. The acorn nuts must go on the outside of
the burner, with the bolts inserted from the inside.
Install Nozzle
See Figure 5. Install the oil nozzle in the nozzle adapter.
Use a 3/4” open-end wrench to steady the nozzle
adapter and a 5/8” open-end wrench to turn the nozzle.
Tighten securely but do not overtighten.
Check Electrode Settings
Slide the secondary adjusting plate (item f)
completely to the left on the indicator adjusting plate
(item e). Finger-tighten acorn nut (item c) to secure
the two plates together. Slide both plates completely
to the left on the primary adjusting plate (item g) and
fi nger-tighten acorn nut (item d).
Slide the completed adjusting plate assembly
over the nozzle line end. Move the plate assembly
and the nozzle line so the plate assembly fi ts into
position as shown in Figure 6.
Install the spline nut (item b) on the end of the
nozzle line, leaving the nut loosely placed so the
plates can be moved.
Connect the high-voltage leads from the ignition
transformer to the electrodes.
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Check, and adjust if necessary, the critical dimensions
P, Q, R and S shown in Figure 5. Verify that the oil tube
assembly and electrodes are in good condition, with no
cracks or damage.
Maintain Electrode
Specifi cations
Failure to properly maintain these specifi cations
could cause ignition malfunction, puff-back of
hot gases, heavy smoke, asphyxiation, explosion
and fi re hazards.
Section: Mount the Burner
Install Nozzle Line Assembly
Insert the nozzle line assembly into the burner air
tube as in Figure 6.
See Figures 6 and 7. Assemble the adjusting
plate assembly per the instructions in the assembly
packet.
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Legend (Figures 6 & 7)
a Adjusting plate assembly
b Spline nut for securing nozzle line
c Bottom acorn nut
d Top acorn nut (for setting dim. Z only)
e Indicator adjusting plate
f Secondary adjusting plate
g Primary adjusting plate
Measure dimension Z from the fl at surface
between (not on) the raised fi ns.
(Measured from the fl at front surface of the
head to the end of the air tube, as shown).
Z = 1-3/4” ± 1/16”
a
z
Legend (Figure 5)
P Nozzle centerline to electrode tip - 1/4”
Q Nozzle to head - 1/4”
R Nozzle face to electrode tip - 1/8”
S Electrode spacing - 3/32”