6 Maintenance, Repair and Storage
unsuitable detergents or cleaning agents can cause
personal injury and damage the pressure washer and/or
the surface being cleaned.
– Always use the detergent in the dosage specified in
the detergent manufacturer's instructions for proper
preparation and dilution, as well as safe use and
disposal.
■ Chemical detergents may contain harmful (toxic, caustic,
irritant), flammable or explosive substances. They are
potentially harmful and can cause skin and eye irritation,
chemical burns and other serious personal injury.
– Avoid contact with skin and eyes.
– In the event of accidental contact, immediately rinse
the contact area thoroughly with plenty of clean
water.
– If fluid gets into your eye(s): Do not rub. Rinse water
over the open eye(s) for at least 15 minutes and
seek medical attention.
WARNING
■ To reduce the risk of short-circuiting, fire and
electrocution:
– Never direct the high-pressure jet toward the
pressure washer itself or any of its components.
– Never direct the spray at electrical
appliances and equipment, sockets or
power cords.
– Never spray near electrical outlets or
other power sources.
– Never use your pressure washer if the
casing around the motor is cracked or
damaged.
0458-620-8221-A
NOTICE
■ Running the pressure washer without water will cause the
pump to overheat, which may result in permanent
damage.
– Always connect and turn on the water supply to the
pump before starting the motor.
– Do not operate the pressure washer without water.
6 Maintenance, Repair and Storage
6.1
Warnings and Instructions
WARNING
■ There are no user-authorized repairs for the pressure
washer. To reduce the risk of fire, electric shock or other
personal injury and property damage:
– Users may carry out only the cleaning and
maintenance operations described in this manual.
Users must not attempt any other cleaning,
maintenance or repair.
– Strictly follow the cleaning and maintenance
instructions in the appropriate sections of this
instruction manual.
– STIHL recommends that all repair work be
performed by authorized STIHL servicing dealers.
■ Unintentional starting may result in personal injury or
property damage. To reduce the risk of personal injury
and property damage from unintentional starting:
– Switch off the pressure washer, disconnect it from
the power supply, turn off the water supply and
squeeze the spray gun trigger until the pressure in
the system has been fully released. Then, lock the
spray gun trigger before inspecting the pressure
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