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STIHL 019 T
42
10.
FUEL SYSTEM
10.1
Air Filter
Dirty and clogged air filters reduce
engine power, increase fuel
consumption and make starting more
difficult.
The air filter should always be
cleaned when there is a noticeable
loss of engine power.
- Fit a new felt filter element.
Element may be knocked out or
blown clear with compressed air
as a temporary solution -
do not
wash.
- Install the felt filter element so
that the web locates in the
housing recess.
10.2
Pickup Body
The diaphragm pump draws fuel out of
the tank and into the carburetor via the
fuel hose. Any impurities mixed with
the fuel are retained by the pickup
body (filter). The fine pores of the filter
eventually become clogged with
minute particles of dirt. This restricts
the passage of fuel and results in fuel
starvation.
Important:
In the event of trouble with
the fuel supply system, always check
the fuel tank and the pickup body first.
Clean the fuel tank if necessary.
• Slacken off the screw (1).
• Swing the air filter cover (2) up
and remove it from the lugs.
Cleaning the fuel tank
• Unscrew the filler cap and drain the
tank.
- Pour a small amount of clean gasoline
into the tank.
- Close the tank and shake the saw
vigorously.
- Open the tank again and drain it.
Note:
Dispose of old fuel at approved
disposal site.
• Remove felt filter element.
• Fit filter cover over the lugs.
- Swing the filter cover down.
- Tighten the screw.