G
Adjustment / Test
NEPTUNE 1&2_EN_Ver.2.1_45/2014 99
Use the gun to get a quick cut-off.
Adjust if necessary by loosening crater screw,
turn lock ring anticlockwise. Turn hexagon bolt.
Adjust to maximum pressure minus X %
according to technical data.
Clockwise for higher cut-off pressure.
Counter clockwise for lower cut-off pressure.
Operating / Cut Off - Pressure Neptune 2
Mount test pressure gauge between HP-outlet
and hose to get an accurate reading.
Run the machine with the correct nozzle.
Pressure should correspond with technical data
chapter A.
Close gun and note cut-off pressure.
Fig.G.1: Pressure setting 1 Fig.G.2: Pressure setting 2
Adjust the steam stage setting to 26-32 bar.
Turn counter clockwise to reduce pressure and
water volume.
Run the machine to check correct adjustment.
Fig.G.3: Pressure Testing 3
Fig.G.4: Safety valve and flow switch.
The safety valve is preadjusted from factory..
To check the function, the spring must be re-
leased until the valve is leaking and then tur-
ned back to the starting point.
The reed switch on the flow switch housing
must be pushed ALL THE WAY UP, before
the two screws are tightened.
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