Unscrew all 6 valves, one after the other
(hexagonal brass screws, 3 in a row,
vertically and horizontally)
21
Small repairs - do it yourself
Pressure gauge shows little pressure, the water from the nozzle
comes in squirts: Most likely the valves are soiled.
The pressure gauge shows little
pressure despite fully turned up pressure
regulation. The water from the lance
comes in squirts. The HP hose vibrates.
(Inside the pressure gauge is no water
but a filling with glycol to damp the
vibration of the pointer.)
Take out valve body (with green or red
plastic coating) and rubber ring by means
of needle nose pliers.
Take a wire and clean valves under
running water. Do not forget the O-ring
during reassembly!
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