28
3.
Care, cleaning and maintenance
3.3.4 Draught limiter (swinging draught flap):
Recommended cleaning implement: Spatula
If a draught limiter is fitted (by customer in flue or exhaust pipe), check this for ease of movement and if ne-
cessary clean or have adjusted by a specialist.
3.3.5 Filling, lighting and ash door:
Recommended cleaning implement: Spatula
– Open doors. Door seals must leave a clean imprint. Remove any crusting and deposits that could impair the
door seals and ease of movement.
If the door seals do not leave a clean imprint or are not sealed, adjust the doors and/or replace the seals.
– If the doors do not move freely, lubricate the bearings of the door hinges with heat-resistant paste (e.g. gra-
phite paste).
3.3.6 Thermocontrol sensor
Recommended cleaning implement: Brush, soft cloth
– Clean fly ash off the thermocontrol sensor with a brush or soft cloth – Fig. 67.
Fig. 67 Cleaning the thermocontrol sensor
Thermocontrol sensor