HDG Compact 25, Руководство по эксплуатации

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7 Cleaning and servicing the heating system – Requirements
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✓
See the “HDG Control” operating manual, chapter “5 Using the
control unit”, section “5.3 Switching off the heating system”.
2. Turn the main switch off.
3. Open the front door (1).
4. Take off the cover plate (3) off the over fill lever.
5. Release the upper and lower M6 hexagon socket screws (SW5)(2).
6. Turn the switch plate (1) with the mounted fill level indicator to
the left and carefully pull it forward as far as it will go.
7. Clean the running surfaces (2 + 3) and the shaft (4) of the level in-
dicator.
8. Lubricate the running surfaces (2 + 3) of the level indicator with
heat-resistant grease.
9. Mount the fill level indicator in the reverse sequence.
10. Afterwards, check that the distance of the fill level indicator limit
switch (5) to the switch plate (1) is maximally 3 mm. If the contact
is correct, an LED lights up on the limit switch.
11. Re-starting the heating system.
✎
See the “HDG Control” operating manual, chapter “5 Using the
control unit”, section “5.2 Switching on the heating system”.
✓
The cleaning and lubricating of the fill level indicator is com-
pleted.
Figure 7/22 - Dismantling the level indicator
3
1
2
Figure 7/23 - Dismantling the level indicator
3
1
2
4
5