7 Cleaning and servicing the heating system – Procedure
154
HDG M299/300/350/400 - Version 1 - en
©
HDG Bavaria GmbH 07/2008
2.
Allow the fire in the heating system to burn out and cool down.
5.
Inspect the pressure equalisation hose (2) for dirt and dislodge it if
necessary by forceful shaking and careful bending.
6.
Check the two connections for dirt and remove it if necessary.
7.
Mount the pressure equalisation hose in the reverse sequence.
8.
Deactivate the maintenance function.
✎
See section “Maintenance function” in this chapter.
✓
The pressure equalisation hose is cleaned.
C
LEANING
FLY
ASH
SECTION
1.
Activate the maintenance function.
✎
See section “Maintenance function” in this chapter.
2.
Allow the fire in the heating system to burn out and cool down.
3.
Do this by lifting up the clamp handle (4) and releasing the stop on
the ash container (5).
3.
Unscrew the DN 40 union
nuts on the connection pieces
of the feeding system (1) and
on the connection pieces on
the boiler using a pipe
wrench.
4.
Detach the pressure equalisa-
tion hose (2).
Figure 7/23 - Cleaning the pressure equalisation hose
1
2
Figure 7/24 - Remove fly ash container
1
2
Summary of Contents for M299
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