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IMPORTANT
► Replace the front plate O-ring at least
every 3 years or if damaged/ discoloured.
Art.no: 877927 — Xtreme 24/30
620274 — Xtreme 36
► Check and replace any other worn gaskets.
Also check they are correctly located.
11.4 Annual service (re-assemble)
A
► Check whether there is a thin layer of ceramic grease
between the flange of the shoulder bolts and the front
panel.
► If there is insuicient grease present, extra must be applied
using the foam application tool (A) within the kit (ceramic
grease kit available to order).
► Check whether the gasket around the front panel is
correctly located. Place the front panel on the heat
exchanger and attach it with the 6mm Allen key shoulder
bolts. Tighten the shoulder bolts (1 to 11)* by hand, working
diagonally. The order of tightening is shown in the diagram.
► Fully tighten the Allen shoulder bolts with a torque wrench
set at 10-12 Nm when available to ensure uniformity.
► Check and tighten the burner bolts diagonally by hand.
► Replace the gas valve and when necessary replace the seals
► Reinstate the electrical connector to the gas valve and fan.
► Open the gas isolation valve and check both of the gas
unions for tightness.
► Check and repair any water leaks within the boiler.
► Turn the expansion vessel back to its original position. Make
sure the vessel is secured by the lip on the cable cover.
► Check a 3amp fuse is fitted before re-establishing the
power.
► Switch on the boiler.
► Check the front panel, the fan seal, fan connection to the
front panel, also check the flue components for leakage,
repair or replace as required.
► Check the gas/air control (see §9.9 and §9.10) and check
the gas outlet on the gas valve for tightness.
► Refit the room sealed cover and tighten the 5mm Allen bolts
under the boiler. (Do not overtighten)
► Check the domestic hot water facility for correct operation.
* 1 to 9 bolts on 24 & 30Kw models. (Do not overtighten)
Clicking noise (expansion) during operation is normally due
to overtightening of the front panel bolts or lack of ceramic
grease.
Please check suicient ceramic grease has been applied and
the correct torque setting applied before calling the Intrgas
service team.
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