Sime SOLO 20 OF Instrucciones Para El Instalador página 81

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4.7 CLEANING
AND MAINTENANCE
Preventive.maintenance.and.check-
ing. of. the. efficient. operation. of. the.
equipment. and. safety. devices. must.
be. carried. out. at. the. end. of. each.
heating. season. exclusively. by. the.
authorised.technical.staff.
4.7.1 Cleaning smoke ducts
Use. an. adequate. swab. for. cleaning.
the.smoke.ducts.of.the.boiler..After.
cleaning,. position. the. circulators. in.
their.original.position.(fig..16).
4.7.2 Cleaning combustion head
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.
(turbulence.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. even-
tual.deposits.
–. Upon. completion. re-assemble.
the. unit. in. the. opposite. way. as.
described. above. taking. care. to.
respect. the. indicated. measure-
ments.
4.7.3 Substitution of nozzle
The. nozzle. should. be. substituted.
1
KEY
. 1. Heater.stat
. 2. Cap
. 3. Heater
3
Fig..15/b
RONDO' 3/4 OF
ESTELLE 3/4 OF
RONDO' 5/6 OF
ESTELLE 5/6 OF
Fig..16
A
2 - 2,5 mm
Fig..17
79