Technical data

6 720 611 445 GB (04.05)

Maintenance

Diaphragm in mixer unit

B Open mixer unit (29).

B Carefully withdraw diaphragm (443) from fan intake

tube and check for soiling and splits.

Fig. 54

B Carefully refit diaphragm (443) the correct way

round into the fan intake tube.

B Seal the mixer unit (29).

Siphon

B Unscrew the clip and disconnect the pipe to the

siphon.

B Remove the drain plug to drain the siphon.

B Unscrew the securing nut from beneath the side

facia and remove the siphon. Refer to figure below.

B Refit and prime the siphon.

Fig. 55

Electrical wiring

B Check the electrical wiring for physical damage and

replace any damaged wires.

Take care not to damage diaphragm

(443) when removing and refitting it.

The flaps of the diaphragm (443) must

open upwards.

443

6 720 610 790-07.2R

6 720 611 445

- 07.

Siphon

Condensate

Drain

Plug