24
40.020.933 - rev. 04 - 2011
AT 300 series
English
3. Clean the heater.
4. Use an oily cloth to clean the combustion
chamber, to protect the combustion
chamber against corrosion.
5.3
Cleaning the combustion chamber
AT 306 (fig. 10)
1. Remove the afterburner (A), the cylinder
(C) and the upper ring (D).
2. Clean the parts with a steel brush.
3. Remove the burner dish (E) with the hook
of the shovel (F).
4. Scrape off residues from the burner dish
with a scraper.
5. Clean the inner side of the combustion
chamber (B) with the front of the shovel.
6. Remove any soot pieces from the floor of
the combustion chamber.
7. Clean the combustion supply pipe with a
small brush, see fig. 3 (O).
8. Install all parts in reversed order.
The hot air heater can be restarted or shut
down.
5.4
Cleaning the combustion chamber
AT 307 (fig. 10)
1. Remove the heat shield (C) and the
upper ring (D).
2. Clean the heat shield and the upper ring
with a steel brush.
3. Remove the burner dish (E) with the hook
of the shovel (F).
4. Clean the burner dish with a scraper.
5. Clean the inner side of the combustion
chamber (B) and the vaporisation
chamber (fig 6.D) with the front of the
shovel.
6. Remove any soot pieces from the floor of
the combustion chamber.
7. Clean the fuel supply pipe (O) with a
brush (inner diameter 8.5 mm (0.33”),
see fig. 3.
8. Install all parts in reversed order.
9. Install all parts in reversed order.
Warning
Do not operate the heater in hot
weather to burn oil.
Ensure that the holes in the
combustion chamber wall remain
open for combustion air supply.
Ensure that the holes in the
combustion chamber wall remain
open for combustion air supply.
