Nilfisk-ALTO NEPTUNE 1 Service Manual

F
Service / Repair
NEPTUNE 1&2_EN_Ver.2.1_45/2014 73
Valve Maintenance
Fig.F.11: Valve Block 1~. Plug removal

On the 1~ machine the valve block must be
dismounted from the pump unit to get access
to the suction valves.
Dismount the four Hexagon bolts M8x55 in
front of the valve block.
Torque for the four bolts is 24Nm (18ft.Ibs)
Fig.F.10: Valve Block 1~ Removal
Fig.F.12: Valve Block 1~ Valves
Suction valves - Plug kept in place between
valve block and piston housing.
Pull out the valves by means of a puller or a
nose pliers.
Pressure valves - screw plug (17 mm
wrench).
 Inspect valves/seats and replace if
necessary.
Fig.F.9: Motor Pump Unit - Removal

To repair plungers/seals the MP-unit has to
be lifted out of the frame.
Remove the motor cover.
Lift MP-unit out of the frame.
Motor/pump removal
Neptune 2
Valve Block Valves

Nilfisk-ALTO NEPTUNE 1 Specifications

General

Brand	Nilfisk-ALTO
Model	NEPTUNE 1
Category	Pressure Washer
Language	English