25
3.
Care, Cleaning, and Maintenance
3.3.3.8 Primary and secondary air routes
These parts are also checked and cleaned during maintenance by Windhager customer service or the customer
service partner.
Recommended cleaning implement: Spatula, vacuum cleaner
– Remove hook-in plates from both sides of filling chamber and check the primary air openings underneath.
Clear if necessary – Fig. 40.
– Remove both burning plates and check the secondary air openings underneath. Clear if necessary – Fig. 41.
Fig. 40 Removing hook-in plate;
checking primary air openings.
Fig. 41 Taking out burning plates,
checking secondary air openings.
Secondary air
openings
Primary air
openings
3.3.3.9 Lambda sensor
These parts are also checked and cleaned during maintenance by Windhager customer service or the customer
service partner.
Recommended cleaning implement: Brush, soft cloth
– Remove the rear wall at the bottom – Fig. 42.
– Use an open-ended wrench (WAF 22) to disconnect and unscrew the lambda sensor (Fig. 43). Carefully
remove dirt with a brush or soft cloth.
Fitting the lambda sensor: Screw in the sensor by hand, and then use wrench to tighten about 1/4 of a turn.
Connect the probe. Screw on rear wall again.
Fig. 42 Unscrewing rear wall at bottom
Fig. 43 Disconnecting and unscrewing the
lambda sensor
Assembly:
Complete these steps in reverse order.
