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4 Safety Precautions
WARNING
￭ If components do not comply with safety requirements,
they will no longer function properly, safety devices may
be rendered inoperative. This can result in serious or fatal
injuries.
► Work only with an undamaged water pump.
► If fuel is leaking from the water pump: Do not use the
water pump and contact a STIHL dealer for assistance.
► Close the fuel tank cap.
► If the water pump is dirty: Clean the water pump.
► Do not modify the water pump.
► If the controls do not function properly: Do not use your
water pump.
► Only fit hoses that are suitable for use with water
pumps.
► Only fit original STIHL accessories designed for this
water pump model.
► Mount hoses and accessories as described in this
instruction manual or the instructions supplied with the
accessory.
► Never insert objects in the water pump’s openings.
► If you have any queries: Contact your STIHL servicing
dealer for assistance.
4.7 Fuel Mixture and Refueling
WARNING
￭ This water pump requires a fuel mixture of gasoline and
two-stroke engine oil. Fuel mixture and gasoline are
extremely flammable. If fuel mixture or gasoline make
contact with open fire or hot objects, they can cause a fire
or explosions. This can result in serious or fatal injuries
and damage to property.
► Protect fuel mixture and gasoline from heat and fire.
► Do not spill fuel mixture and gasoline.
► If fuel has been spilled: Wipe up the fuel with a cloth and
do not attempt to start the engine until all parts of the
water pump and the area around it are dry.
► Do not smoke.
► Never refuel near a fire.
► Shut off the engine and allow it to cool down before
refueling.
￭ Inhaling fuel fumes and gasoline fumes can have toxic
effects.
► Avoid inhaling fuel fumes or gasoline fumes.
► Refuel in a well-ventilated location.
￭ The water pump becomes hot during operation. The fuel
expands and excess pressure can build up in the tank.
Fuel can escape as a spray when the fuel tank cap is
opened. The escaping fuel can ignite. This can result in
serious injuries.
► Allow the water pump to cool down first and then open
the tank cap carefully.
￭ Clothing that has been in contact with fuel or gasoline is
more easily flammable. This can result in serious or fatal
injuries and damage to property.
► If your clothing comes into contact with fuel or gasoline:
Change your clothing.
￭ Fuel, gasoline and two-stroke engine oil can harm the
environment.
► Do not spill fuel, gasoline or two-stroke engine oil.
► Fuel, gasoline and two-stroke engine oil can harm the
environment.
￭ Fuel, gasoline or two-stroke engine oil can cause irritation
if they come into direct contact with the skin or eyes.
► Avoid contact with fuel, gasoline and two-stroke engine
oil.
► In case of contact with the skin: Wash affected areas
with plenty of water and soap.
► In case of contact with the eyes: Rinse eyes with plenty
of water for at least 15 minutes and seek medical
advice.
