MAINTENANCE
42
between the springs and the screwdriver. If unable to
generate a spark, check the voltage at terminal spades
of the 12 volt ignition control box. Voltage must be 12
volts DC minimum. If voltage is incorrect or not
present, check ground wiring.
4. Reposition ignition transformer and secure to
burner housing.
Fire Burners
1. Ensure that fuel oil pressure is 125 PSIG.
WARNING
To prevent an explosion or fire hazard: Flues
must be covered by minimum 6 inches of
material when burners are in operation. When
testing burners, do not run burners for more
than 15 seconds if tank is empty.
2. Hold ignition switch down until ignition occurs,
and keep switch down for an additional 2 to 4 seconds
before releasing.
3. Run burner for 15 seconds maximum, then shut
down.
30…
Adjusting Spray Bar Nozzle Angle
Adjust nozzles to obtain an angle of approximately
30
°
with bar centerline (see Figure 22). Every nozzle
should be at the same angle.
NOTE: A nozzle adjustment wrench is supplied in
the tool box of each new unit.
Figure 22. Nozzle Angle Adjustment
Adjusting Spray Bar Height
Lower spray bar and adjust so that nozzles are ap-
proximately 12 inches above road when tank is empty.
At this height spray fans will overlap to provide triple
lap coverage. See Figure 23
NOTE: Under heavy wind conditions it may be nec-
essary to lower spray bar further.
Figure 23. Nozzle Height Adjustment
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