(2) Install the nozzle and the electrode holder
d. Servicing.
in the burner. Tighten the nuts firmly.
(1) Burner electrodes. Wash the electrodes
f. Repair of the Burner Head. Repair the burner
in soapy water, and dry them thoroughly.
head by replacing defective items with serviceable ones.
(2) Burner fuel nozzle, adapter and nipple.
Wash the nozzle, adapter and screen in paint thinner
g. Installation.
and scrub the nozzle with a small brush. Dry the nozzle
(1) Burner sight hole cap assembly. Replace
and screen thoroughly. Be extremely careful when
defective cap assembly with a serviceable one, and
cleaning the nozzle to avoid damaging the orifice or the
install it by reversing the procedure in b (1) above.
tip. Do not force a wire or any metallic object through
the nozzle orifice.
(2) Electrode sight tube glass, gasket and
bushing. Replace defective items with serviceable
(3) Burner head and air nose. Clean all
ones, and install them by reversing the procedure in b
carbon and dirt from the burner head and the air nose.
(2) above.
(4) Electrode sight tube glass.
Wash the
(3) Drain cock (combustion chamber).
glass in soapy water, and dry it thoroughly.
Replace a defective drain cock with a serviceable one,
Adjust the
e. Adjustment of Burner Electrodes.
and install it by reversing the procedure in b(3) above.
burner electrodes as follows:
(4) Burner electrodes, holder and gaskets.
NOTE
Replace defective items with serviceable ones, and
install them by reversing the procedure in b (4) above.
The electrodes must be installed
in the holder before making the
(5) Burner fuel nozzle, adapter and nipple.
Replace defective parts with serviceable ones, and
adjustment.
install them by reversing the procedure in b (5) above.
(1) Bend the electrodes until the spark gap is
(6) Burner head gasket and air nose. Install
five thirty-seconds of an inch, and the electrodes are
serviceable items by reversing the procedure in b (6)
located one-eighth of an inch outward and one-half of an
above.
Adjust the electrodes according to the
inch from, the hole in the burner nozzle as shown in
instructions in e above.
4-34
