Nilfisk-ALTO NEPTUNE 5-46 PE, Service Manual

Page: 46 / 94

F
NEPTUNE PE-DE_en_Ver.1.0_October 2010
Service / Repair
46
Wobble disc
•
The cylinder head and the cylinder block
is fastend to the D-bearing cover by two
6mm mounting bolts for the cylinder
block and three 12mm bolts for the
cylinder head.
Fig.F.25: Pump head Fig.F.26: D-bearing cover and wobble disc
Fig.F.28: Wobble disc removal Fig.F.27: Wobble disc
•
Demount the wobble disc screwing a 1
6mm bolt into the threads. Tighten the
bolt against the motorshaft and pull the
wobble disc out.
•
The center bolt is fixing the wobble disc
to the motor shaft and ensure the rotor to
be kept in the right position in proportion
to the stator.
•
Overview of the parts inside the D-
bearing cover.
NA5 Pump
Jetwash Direct ltd