WATER HEATER MAINTENANCE PROCEDURES (CONTD)
Burner Head Assembly (Contd)
Wash spark plug electrodes with soapy water, rinse in clean water,
and dry thoroughly.
Use extreme care when cleaning nozzle to avoid dama-
ging orifice tip.
Do not force wire or any metallic
object through nozzle orifice.
Wash nozzle and adapter in solvent (14, Appendix E).
with small brush.
Dry all parts thoroughly.
Wash sight glass in soapy water, rinse in clean water and: d ry
Wash scanner tube in solvent (14, Appendix E) to remove deposits
in tube and dry thoroughly.