
©
HDG Bavaria GmbH 07/2008
HDG Compact 99 - 200 - Version 1 - en
7 Cleaning and servicing the heating system – Procedure
129
3.
Unscrew the cover screws on the back of the heating system and
remove the cover (3).
4.
Check the chain tension (2).
✓
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.
5.
Loosen the locking screw on the chain tensioner (1).
✓
The chain tensioner can be moved.
6.
Move the chain tensioner (1) downwards until the drive chain
again has sufficient tension.
7.
Secure the chain tensioner (1) in this position.
✓
The drive chain is tightened.
8.
Replace the cover (3) on the boiler.
9.
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
CHAINS
OF
THE
HDG C
OMPACT
150 - 200
ASH
REMOVAL
SYSTEM
1.
Switch the heating system off.
✎
See the chapter entitled “6 Using the heating system”, section “6.3
Switching off the heating system”.
2.
Allow the fire in the heating system to burn out and cool down.
Figure 7/7 - Checking the drive chain of the HDG Compact 100/105 ash removal sys-
tem
3
1
2