Nilfisk-ALTO NEPTUNE 5-46 PE, Service Manual

Page: 64 / 94

G
NEPTUNE PE-DE_en_Ver.1.0_October 2010
Adjustment / Test
64
Dismount the test plug in the by-pass housing
and mount a pressure gauge instead.
Adjustment of by-pass system.
Fig.G.09: Pressure gauge Fig.G.10: Test tap
Fig.G.11: Safety valve Fig.G.12: Pressure bolt
Connect a test tap (A), hose and pressure
gun to the outlet of the machine.
Close the safety valve completely. Adjust the test tap (A) and the pressure bolt
(B) so it couples 20-30 bars higher than
working pressure, when the pressure gun is
closed— CUT OFF PRESSURE. After the
cut off pressure is reached the machine
runs in by-pass untill the pressure gun is
opened.
The working pressure is stated in the tech-
nical data sheets chapter B.
A
B
NA5 pump
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