7 Cleaning and servicing the heating system – Procedure
136
HDG Compact 99 - 200 - Version 1 - en
©
HDG Bavaria GmbH 07/2008
7.
Release the
F4
key as soon as the cleaning system reaches its lo-
west position.
8.
Switch the heating system off.
✎
See the chapter entitled “6 Using the heating system”, section “6.3
Switching off the heating system”.
9.
Release the two middle SW10 hexagon socket screws(1).
10.
Release the six M12 fastening screws of the three-part cleaning
shaft lid (2) with an SW19 mm spanner.
11.
Lift the three-part cleaning shaft lid (1) up and out.
12.
Dismantle both crossbeams (2) from the turbulators if necessary.
13.
Pull out the turbulators in an upward direction.
14.
Visually inspect the cleaning turbulators for encrustations and re-
move these with a suitable tool.
15.
Brush off the heat exchanger surfaces(3) with a suitable tool
(e.g.cleaning brush, included in delivery).
Figure 7/15 - Opening the cleaning shaft lid
2
1
Figure 7/16 - Pulling out the cleaning turbulators
1
2
3