L.B. White Pilot Light Ignition Installation And Service Manual page 65

Pilot light ignition agricultural animal confinement building heaters
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6. Pilot orifices may incorporate one or two holes,
depending on design. Hold the orifice up to light to
make sure the orifice is clear of blockages.
7.
If the orifice is plugged, blow out the orifice with
compressed air or replace the pilot orifice if the
blockage cannot be removed.
IMPORTANT
The hole(s) in the pilot orifice are drilled to a
specific size to match the fuel and gas pressure.
Do not poke or push sharp instruments into the
orifice hole(s). This may create pilot light outages
or sooting.
Do not use a pliers to remove the pilot orifice.
Pliers will round off the hex nut on the base of
orifice, creating difficulty in servicing later. Use
only the appropriate size wrench.
Do not "kink" the pilot line when servicing. Doing
so may reduce gas flow to the pilot orifice
resulting in pilot outages.
August 1999
8. Reverse these procedures to reinstall the orifice, pilot
line and shield.
ATTENTION
Holes
Gasket
Burner R R ibs
Instructions
For H H eaters s s o E E quipped:
Use care when servicing the pilot assembly to
prevent damage to the pilot gasket.
Make sure the pilot gasket is properly positioned
around the two vertical ribs on the face of the
burner before reassembly.
install the gasket will result in pilot outages.
Use the pilot assemblies' threaded stud to assist
in holding the pilot in position during reassembly.
Stud
Servicing
Pilot Assembly
Failure to properly
8.5-2 2

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