Sime Aqua Serie Instrucciones Para El Instalador página 80

4.6 BURNER MAINTENANCE
To. dismantle. the. burner. from. the.
boiler.door,.remove.the.nut.(fig..14).
–. To.access.the.internal.part.of.the.
burner,. remove. the. air. lock. unit.
held. in. place. by. two. screws. to.
the. sides. and. remove. the. right.
hand.shell,.which.is.held.in.place.
by.four.screws,.taking.care.not.to.
damage.the.O-ring.seal..OR.
–. To. dismantle. the. nozzle. holder.
and. heater. unit,. proceed. as. fol-
lows:
–. open.the.cover,.which.is.held.in.
place. by. a. screw,. and. remove.
the. heater. cables. (1. fig.. 14/a).
protected. by. a. heat. resistant.
sheath;.remove.the.fairlead.and.
pass. the. cables. through. the.
hole.
–. remove.the.two.cables.from.the.
ignition. electrodes. fastened. in.
place.with.a.faston.
–. loosen.the.union.(2.fig..14/a).and.
remove. the. four. screws. which.
fasten. the. collar. (3. fig.. 14/a). to.
the.burner.
–. To. dismantle. the. eater. or. ther-
mostat,.refer.to.figure.14/b.
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..15).
4.7.2 Cleaning combustion head
The. combustion. head. is. cleaned. in.
the.following.manner.(fig..16):
–. 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.
80
2
1
1
2
3
KEY
. 1. Control.bow.cables
. 2. Connection
. 3. Collar
KEY
. 1. Heater.stat
. 2. Cap
. 3. Heater
3
RONDO' 3/4 OF
ESTELLE 3/4 OF
RONDO' 5/6 OF
ESTELLE 5/6 OF
Fig..14
Fig..14/a
Fig..14/b
Fig..15