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27
LUBRICATE
O30
O31
O30
O33
O32
Countersink on the jacket
O28
O34
zEus for sanitation
REV
. 01 - 05/2020 - Cod. 150125
• Check the wear status of the surfaces inside the jacket.
Replace it if necessary;
• Grease the sleeve (
O30
) using a paintbrush;
• Insert the sleeve (
O30
) into the lower pump unit (
O31
);
• Screw on the complete foot valve (
O28
) with the sleeve
assembly (
O34
);
Insert the complete piston stem (L32) after gre-
asing the gaskets (L33);
In order to guarantee a proper seal, tighten the
foot valve (L28) fully, using a 50 mm spanner.