Smach EFE 2500A - Assembly of the Aeration Tube

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EFE 2500A /AF - 4000A/AS/AN
14.4 ASSEMBLY OF THE AERATION TUBE
Figure 38
Grease and fit the o-rings to the slots on the inner and outer aeration tubes.
Figure 39
Slip two parts to each other. Select the suitable hole size by turning the inner tube.