Nilfisk-ALTO NEPTUNE 5-46 PE, Service Manual

Page: 67 / 94

G
NEPTUNE PE-DE_en_Ver.1.0_October 2010
Adjustment / Test
67
Adjustment of Unloader system.
NP5 pump
Turn the black handle clockwise
as far as it can.
This is max. pressure adjustment.
Using a screwdriver or similar tool,
to remove the cap on top of the
unloader.
13 mm Box spanner
Loosen the lock nut on the pres-
sure adjustment bolt. Use a 13
mm. box spanner.
Adjust the pressure with a 7 mm. Hexagon
Allen Key the following way.
Start machine with correct HP nozzle.
Loosen unloader until pressure drops, then
turn ½ turn clockwise, to obtain full pressure
again.
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