2
4.7.1
Cleaning smoke ducts
(fig. 16)
Use.an.adequate.swab.for.cleaning.the.
smoke.ducts.of.the.boiler..After.clean-
ing,. position. the. circulators. in. their.
original.position.(fig..16).
4.7.2
Cleaning combustion head
(fig. 17)
The.combustion.head.is.cleaned.in.the.
following.manner.(fig..17):
–. Disconnect. the. high. tension. cables.
from.the.electrodes.
–. Unscrew. the. fixture. screws. of. the.
circulator.support.and.remove.it.
–. Brush.the.propeller.delicately.(tur-
bulence.disc).
–. Carefully. clean. the. photo-resist-
ance. of. eventual. deposits. of. dirt.
deposited.on.its.surface.
–. Clean. the. remaining. components.
of.the.combustion.head.of.eventual.
deposits.
–. Upon. completion. re-assemble. the.
unit.in.the.opposite.way.as.described.
1
KEY
. 1. Heater.stat
. 2. Cap
. 3. Heater
3
A
2 - 2,5 mm
Fig..15/b
RONDO' 3/4 OF
ESTELLE 3/4 OF
RONDO' 5/6 OF
ESTELLE 5/6 OF
Fig..16
Fig..17
71