59
Call 1-
800-347-9575
for Technical Support
13. Using a pair of pliers and a towel, gently clamp the stem
of the Nozzle (a small spinner is loosely contained inside
the Nozzle) and spin (counter-clockwise) the cap from
the stem. *Skip Steps 13
– 17 if installing a new nozzle.
14. Clean all the parts with parts washing fluid.
15. Replace the stem o-ring.
16. Holding the stem vertically, place the spinner on top of
the stem. Then, thread the nozzle Cap onto the stem.
17. Tighten the nozzle Cap to the stem.
18. The passage through the nozzle block for the nozzle has a plug at the opposite end of
the nozzle which must be removed for complete cleaning of the Passage - use thread
sealer during reinstallation (refer to figure).
19.
IMPORTANT!
—Being careful not to apply parts washer fluid to the heater wiring
harness, clean the nozzle passage of the Nozzle Block. Make sure parts are clean and
dry prior to reassembly.
20. Refer to the following section for Flame Retention Head and Electrode Settings and
reassemble the Nozzle Line Assembly.
Be sure to re-install the air vane
(shown in figure) in the proper location
– opposite side of bulkhead fitting). Failure to
install this component properly will result in an off-center flame, which may damage the
heat exchanger and void the heat exchanger warranty.
21.
Make sure to perform start up (7.4.2) and system checks (7.4.3) after
every maintenance cycle. Record the checks, maintenance performed, and gauge
readings in the maintenance log.
Nozzle
Cap
Spinner
Stem
O-Ring
Disassemble Nozzle
Plug
Passage Plug
Air
Vane
