7 Cleaning and servicing the heating system – Requirements
153
C
HECK
THE
DRIVE
CHAINS
OF
THE
ASH
REMOVAL
SYSTEM
1.
Set the control to the operating mode
OFF
.
✓
The
OFF
symbol lights up.
2.
Allow the fire in the heating system to burn out and cool down.
3.
Turn the main switch off.
4.
Remove the lower cover on the back of the boiler.
5.
Check the chain tension (1).
✓
If the drive chain has approximately 1 cm play, the tension is cor-
rect.
✓
If the drive chain has more play, it must be tightened.
6.
Loosen the locking screw on the chain tensioner (2).
✓
The chain tensioner can be moved.
7.
Move the chain tensioner (2) downwards until the drive chain
again has sufficient tension.
8.
Secure the chain tensioner (2) in this position.
9.
Replace the cover on the boiler.
10.
Switch the heating system on again.
✎
See the chapter entitled “6 Using the heating system”, section
“6.2 Switching on the heating system”.
✓
The check of the ash removal system drive chain is completed.
C
HECKING
THE
DRIVE
CHAIN
OF
THE
FEEDING
SYSTEM
1.
Set the control to the operating mode
OFF
.
✓
The
OFF
symbol lights up.
2.
Allow the fire in the heating system to burn out and cool down.
3.
Turn the main switch off.
4.
Release the 10 mm screws (2) of the chain guard (3) and remove it.
5.
Check the chain tension (1).
Figure 7/8 - Checking the drive chain of the ash removal system
1
2
Important!
✎
See “Generally applicable safety instructions” in this section.
Summary of Contents for Compact 25
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Page 186: ...12 Index 186 HDG Compact 25 35 Version 2 de HDG Bavaria GmbH Oktober 2007 ...
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