Operation Manual

Small repairs -
18
Nozzledirtyorsticky!
Pressuregaugedoesnotshowfullpressure.
Watercomesoutinspurts.
Ifyoudonotusethehigh-pressurecleaner
forsometimethevalvescanstick
Thehigh-pressure
hosevibrates.
Straighten a
paper clip...
When a valve is blocked,
the gauge
shows little
pressure or
no pressure
at all,
or the high
pressure
hose vibra-
tes!
Open the valve
with a socket
wrench...
and remove the
valve screw, the
valve and the
o-ring.
Replace the rubber o-ring.
and remove the
dirt from the valve
- the valve inside
must be closed.
Retighten the
valve screw
...and repeat
on all 6
valves.
Now it works
as well as
before!