Interpump Group Pratissoli SM Serie Manual De Reparación página 53

Insert the anti-extrusion ring and the seals bush (pos.  and
, Fig. 122, Fig. 123 and Fig. 124).
The gasket bush  must be introduced into the
liner with the two outlets facing outwards (casing
side) as shown in Fig. 123.
Casing side
The L.P. seal must be inserted in the liner
with the lip seal in the direction of piston
operation (pos. , Fig. 125 and Fig. 126), slightly
lubricating the external diameter with OKS 1110
silicone grease. Replace the L.P. seal whenever
wear is detected.
Piston working direction
Fig. 122
Fig. 123
Install the seal support unit (Fig. 127 and Fig. 128) replacing
components  and .
Fig. 124
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Fig. 125
Fig. 126
Fig. 127