Hoval UltraGas 1000, Техническая информация, Страница: 48 / 58

2
Fig. 32
3
Fig. 33
4
Fig. 34
6.6.2 Cleaning the combustion chamber and burner
cylinder on the outside
CAUTION
Danger of chemical burns from cleaning
agents.
Wear safety gloves and protective goggles
when using cleaning agents.
Comply with the instructions on the original
packaging.
NOTICE
Damage to the plant by using incorrect clean-
ing agents.
Only use cleaning agents that are approved
for gas boilers having aluminium compo-
nents.
Spray the cleansing agent on undiluted.
Ring spanner, screwdriver, spray gun
Preparation:
WARNING
The heat generator must be de-energised for
maintenance.
Set the blocking switch to "0" and disconnect
the heat generator from the mains (e.g. main
switch).
1. Close main gas valve.
2. Remove absorber hood.
3. Undo all burner plug-in connections.
4. Remove front cover.
Open combustion chamber:
5. Unscrew palm grips
6. Swivel the burner upwards, with the boiler door
(Fig. 35)
!
CAUTION
If a gas pressure spring is weakened, the
boiler door is lowered. There is an increased
danger of injury when reopening the boiler
door.
Notice:
Both gas pressure springs must be replaced.
7. Remove the cover from the cleaning aperture (9,
Fig. 36)
8. Remove the neutraliser box or condensate trap.
(Maintenance of the neutralisation unit, see point 6.9
Neutralisation unit.)
Fig. 35
48 4 217 215 / 00
MAINTENANCE