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Safety Devices
Safety devices serve for the protection of the user
and must not be put out of operation or bypassed
with respect to their function.
Overflow valve
(not with the HDR 160 Compact)
While reducing the water supply/quantity regula-
tion at the pump head, the overflow valve opens
and part of the water flows back to the pump suck
side.
Pressure switch
If the lever on the trigger gun is released the pres-
sure switch turns off the pump, the high pressure jet
is stopped. If the lever is pulled the pump is turned
on again.
The overflow valve and pressure switch are set and
sealed at the factory. Settings should only be
made by the Würth Master Service.
Before Startup
Unpacking
– Check the contents of the pack before unpacking.
– In case of transport damage, inform the re-
sponsible Würth Sales Representative or staff
at your Würth branch immediately.
Check oil level
Read the oil level display when the device is
not running. The oil level must be between the
two markers on the oil reservoir.
Activate deaeration of oil container
Unscrew the fastening screws of the device
hood; remove the device hood.
Cut off tip of oil container cover
Fasten the device hood.
Attaching the Accessories
Mount the nozzle on the spray lance (mark-
ings on the adjustment ring at the top).
Connect spray lance to trigger gun.
16
In devices without hose drum:
Draw the push-handle upwards until the stop.
Fix the push-handle using the enclosed screws
and tool.
Join the high-pressure hose with trigger gun
and high-pressure connection of the appliance
and tighten until hand-tight.
In devices with hose drum:
Insert the crank in the hose drum shaft and lock
it in.
Before rolling up, stretch out the high pressure
hose.
Wind the high pressure hose in uniform layers
on the hose drum by rotating the crank. Select
the rotation direction in such a way that the
high pressure hose does not get bent.
Join the high-pressure hose with trigger gun
and tighten until hand-tight.
Start up
Electrical connection
DANGER
Danger of injury by electric shock.
– It is imperative to connect the appli-
ance to the electric mains by means
of a plug. It is forbidden to perma-
nently connect the appliance to the
power supply. The plug serves for the
disconnection from the mains.
– The appliance may only be connected
to alternating current.
– The highest allowed net impedance
at the electrical connection point (re-
fer to technical data) is not to be ex-
ceeded. In case of confusion regard-
ing the power impedance present on
your connection, please contact your
utilities provider.
– The plug and coupling of the exten-
sion cable used must be watertight.
– Use the extension cord that has an
adequate cross-section (see "Techni-
cal Data") and unwind it fully from
the cable drum.
GB - 3
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