THERMOBILE AT 400 Manuel De L'utilisateur page 13

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6. Clean the inner side of the combustion
chamber (B) and the vaporiser (G) with
the front of the shovel.
Note
• Used oils can contain heavy
metallic compounds and foreign
materials. These materials stay
as a residu when burned.
Therefore it is necessary to take
care when using, cleaning and
maintaining the heater.
• Wear protective gear when
cleaning the inside of the heater:
• Respirator for fine particles
• Rubber gloves
• Safety goggles
• Protective clothing
• Ensure that the holes in the
combustion chamber wall remain
open for combustion air supply.
7. Remove any soot pieces from the floor of
the combustion chamber.
8. Clean the inside of the pipe in the
vaporiser with a small brush (diameter 4
mm).
9. Clean the fuel supply line (N) with a
brush (inner diameter 0.33 in), see fig. 3.
10. Install all parts in reversed order.
5.4 Cleaning the heat exchanger (fig.
9)
1. Disconnect the power connection from
the heater.
2. Open the cover, see fig. 3 (A).
3. Unscrew the thermostat clamp (A).
4. Take the wiring off both thermostats (B).
5. Remove safety strip (C).
6. Remove safety strip (D).
7. Remove cover (E) from the heat
exchanger.
8. Clean the inner side of the heat
exchanger with a brush and vacuum
cleaner.
AT 400 - 500-US series
9. Re-install the cover of the heat
exchanger.
Always attach a new gasket (F)
between the cover and the heat
exchanger.
Install all parts in reversed order.
Apply the wiring of the thermostats
according to the electrical circuit
diagram. The thermostats are equal.
5.5 Taking the heat exchanger apart
(fig. 9)
1. Disconnect the power connection from
the heater.
2. Remove the T-piece (A) from the flue,
see fig. 3 (F).
3. Remove the grate, see fig. 3 (A).
4. Unscrew the thermostat clamp (A).
5. Take the wiring off both thermostats (B).
6. Remove safety strip (C).
7. Remove safety strip (D).
8. Remove the fuel supply pipe, see fig. 3
(S).
9. Unscrew the overflow cup support and
put the overflow protection on the floor of
the heater.
10. Remove the combustion air fan (H) with
motor support, see fig. 3.
11. Unscrew the back panel from the heater
and turn it 180° to the fuel tank.
Temporarily support the back panel in
this position.
12. Remove the casing of the combustion air
fan.
Warning
Do not change the position of the
valve in the casing.
13. Unscrew the frame of the combustion
chamber from the groundplate of the
heater.
40.020.943 - rev. 04 - 2011
English
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