Nilfisk-ALTO POSEIDON 4 Series Service Manual page 26

Piston Guides And Seals
Fig.F.33: Piston guide removal
•If the piston guides can`t be removed by
hand, use an internal extractor as shown,
(Bahco 4521N-F).
•Beware not to damage the guides.
Fig.F.35: Piston guide
•Check the piston guides for wear and
replace if necessary to extend the lifetime
of the new seals.
SM_POSEIDON 4_en_Ver.1.0_08.2012
Service / Repair
Fig.F.34: Piston guide with extractor
•Note the position of the internal extractor.
•Replace the complete piston seal kit.
Fig.F.36: Seals and piston guide
•Grease the seals and o-rings lightly before
assembly.
•Assemble in correct order.
F
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