Cylinder Block - Nilfisk-ALTO NEPTUNE 4 FA Service Manual

Cylinder block

Fig.F.20: Cylinder block

Overview of the placement of the parts in
the cylinder block.
Oil seal and piston
Fig.F.22: Valve Kit 3~ - Exploded View

To make replacement easier moisten the
sleeves with soapy water.

Mount the sleeves using a 19mm box
spanner and a fiber hammer.
NEPTUNE 4 FA_EN_Ver.2.0_ 22/11
Service / Repair
Fig.F.21: Oil Sleeves

Take out the oil sleeves using an
adequate puller.

Be careful not to damage the surface of
the cylinder block.

Puller used in the picture is Bahco
4521N-F.
Fig.F.23: Pistons

Place sleeves, pistons and springs as
shown.

Mount the cylinder block to the D-bearing
cover by the two 6mm mounting screws.
F
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