7 Cleaning and servicing the heating system – Requirements
87
L
UBRICATING
THE
FEEDING
SYSTEM
The feeding system must be lubricated every 150 operating hours.
L
UBRICATE
HEAT
EXCHANGER
CLEANING
The heat exchanger cleaner must be lubricated every 40 operating
hours.
1.
Switch the heating system off.
✎
See the “HDG Control” operating manual, chapter “5 Using the
control unit”, section “5.3 Switching off the heating system”.
2.
Allow the fire in the heating system to burn out and cool down.
3.
Turn the main switch off.
4.
Remove the top cover(1) or the front (5) and the rear (3) covers of
the heat exchanger cleaner.
Important!
✎
Observe the “Generally applicable safety instructions” in this sec-
tion.
1.
Place the grease gun on the
lubricating nipple (1).
2.
Press three strokes of grease
into the feeding system.
✓
The feeding system is lubri-
cated.
Figure 7/7 - Lubricating the feeding system
1
Important!
✎
Observe the “Generally applicable safety instructions” in this sec-
tion.
Figure 7/8 - Lubricate heat exchanger cleaning
4
3
5
1
2
HDG Compact 25/35
HDG Compact 45/50/65/80