Specifications

MONITOR HEATING SYSTEMS
Section 5: Servicing
NOTE: Make sure the position of flame detector rod is centered between combustion ring and burner pot
before reassembling. (See Figure 5-5)
Flame Detector Rod
Combustion Ring Assy
a* V'
Burner
Figure 5-5
NOTE: If flame rod is sooted or has a carbon coat-
ing it can be cleaned with steel wool or a
find sand paper.
For minor adjustments of flame detector rod without
disassembling any components:
1. Loosen the two retaining screws about half to one
full turn.
2. Tightening down on the top screw first will cock
the rod outward away from the combustion ring.
Tightening the bottom screw first will cock the rod
inward towards the combustion ring.
Combustion
Chamber
Gap
4mm(0.16") or more
5-5 CLEANING THE FUEL INLET
When cleaning the combustion chamber and the
burner pot, the fuel inlet nozzle should also be
cleaned. This can be done as follows:
1. Disconnect copper fuel line at bum chamber.
2. Push a piece of wire (about the same size as the
I.D. of fuel inlet pipe) into the fuel inlet nozzle.
3. If obstruction is felt twist wire back and forth (to
brake up soot and carbon) so that wire ultimately
penetrates igniter shield.
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