Cleaning The Ignition Fan - HDG Euro 30 Operation Manual

C
HECKING THE CLEANING SHAFT
LID
7 Cleaning and servicing the heating system – Procedure
Figure 7/23 - Checking the cleaning shaft lid for leaks
11.Remove the upper cover (1) by lifting it upward.
12.Check the sealing of the cleaning shaft lid (3) exactly as described
above under "Checking the fuel chamber door".
13.If not tight, tighten the M12 hex nuts (2) of the hinges one
revolution each using a 19 mm spanner.
14.Check the seal again.
✓
The cleaning shaft lid is sealed.
15.Close the boiler in the reverse order.
✓
The door seals have been checked.
C
LEANING THE IGNITION FAN
The ignition fan is only available in connection with the HDG
automatic ignition system.
Important!
✎
Observe the "Generally applicable safety instructions" in this
section.
Caution!
Danger of burns from hot surfaces
The hot air nozzle of the ignition fan becomes very hot during
operation. Even when turned off, it only cools down slowly.
Switch the heating system off and only start with the cleaning and
maintenance work once the hot air nozzle has cooled down.
1. Allow the fire in the boiler to burn out and cool off.
2. Switch the heating system off.
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