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8.4.2
Removing the Spray Nozzle
WARNING
■ To reduce the risk of severe injury from unin‐
tended spraying, switch off the pressure
washer, relieve system pressure and lock the
spray gun trigger before attempting to adjust
or change a spray nozzle or other accessory.
To remove the spray nozzle:
► Switch off the pressure washer,
► Pull the spray gun trigger to relieve pressure.
► Lock the spray gun trigger.
2
► Press the high pressure nozzle (1) against the
spray lance (2) and pull out the nozzle(1).
9
Connecting the Water Sup‐
ply
9.1
Connecting the Pressure
Washer to the Mains Water
Supply
WARNING
■ Make sure the pressure washer is switched off
and disconnected from the power supply
before connecting to or disconnecting from the
mains water supply.
Connecting the water filter
If the pressure washer is to be operated with
sandy water or with water from cisterns, a water
filter must be connected in-line between the
water hose and the pressure washer. The water
filter filters sand and dirt out of the water and
thus protects the components of the pressure
washer from damage.
The water filter can be included with the pressure
washer depending on the market.
To connect the water filter:
14
10.2.
1
9 Connecting the Water Supply
2
1
► Unscrew the coupling (1).
► Screw the water filter (2) onto the connec‐
tor (3) and tighten by hand.
► Screw the coupling (1) onto the water filter (2)
and tighten by hand.
Connecting the Water Hose
The water supply must meet the following
requirements:
– Minimum length of water hose: 30 ft. (10 m)
– Maximum water inlet pressure: 145 psi
(1 MPa / 10 bar)
To connect the pressure washer to the mains
water supply:
► Switch off the pressure washer,
► Disconnect the pressure washer from the
power supply.
► Remove all sand and debris from the connec‐
tions and couplings.
► Connect the water hose to the water supply.
► Fully open the tap to flush any sand or dirt
from the hose.
► Shut off the water supply.
1
4
► STIHL recommends attaching the water fil‐
ter (2).
The water filter helps keep sand and dirt out of
the pump, thereby helping to protect compo‐
nents from damage.
► Screw the coupling (1) onto the pressure
washer or water filter (2) and tighten by hand.
► Connect the water hose (4).
► If the spray lance is attached to the spray gun:
remove the spray lance.
► Turn on the water supply.
► Pull the spray gun trigger until a steady, even
water jet is delivered from the spray gun.
3
10.2.
2
1
4
0458-001-8221-B
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