Maintenance and care
multi EA 4000 Version 01.16 87
4. Unscrew the 3 hexagon socket screws hold-
ing the dust trap and remove the dust trap.
1 gas connection
2 dust trap
3 sealing ring
4 ceramic tube with quartz wool
5. Unscrew the union nut at the gas connection
and pull off the hose.
Clean the gas connection.
6. Tap to remove any dust from the dust trap
or remove it using a brush.
7. Check the sealing ring and replace it if dam-
aged.
Observe the installation position of the seal-
ing ring. The closed side must point out-
wards (towards the user). The open side
points to the dust trap.
8. Attach the dust trap again and screw it back
gas-tight.
Caution:
The measuring gas hose must point to the
left again, see figure above.
9. Insert the protective conductor into the side wall and attach the side wall.
10. If the ceramic tube has slid out of the airlock coupling on the right-hand side, slide it
back in with a slight rotation (see section "Fit the ceramic tube to the gas airlock and
insert it into the combustion furnace" p. 52).