Stihl MS 250C Instruction Manual page 34

English
Position the machine so that the
N
filler cap is facing up.
WARNING
In order to reduce the risk of fire and
other personal injury from escaping gas
vapor and fumes, remove the fuel filler
cap slowly and carefully so as to allow
any pressure build-up in the tank to
release slowly
Opening
WARNING
After allowing the chain saw to cool,
remove the fuel filler cap slowly and
carefully to allow any remaining
pressure build-up in the tank to release:
1
Flip up the grip and press the cap
N
down firmly (1).
32
2
While maintaining steady,
N
downward pressure, turn the cap
slowly counter-clockwise to the vent
position (2), approximately a
1/8 turn of the cap.
If any significant venting occurs,
N
immediately re-seal the tank by
turning the cap clockwise to the
closed position. Allow the saw to
cool further before attempting to
open the tank.
3
4
5
Turn the cap to the open position (3)
N
only after the contents of the tank
are no longer under pressure. In the
open position, the exterior
positioning mark (4) on the cap will
line up with the "unlocked"
symbol (5) on the fuel tank housing.
Remove the fuel filler cap.
N
WARNING
Never remove the cap by turning it
directly to the open position. First allow
the saw to cool adequately and then
release any residual pressure at the vent
position (2). Never attempt to remove
the cap while the engine is still hot or
running.
Refueling
Take care not to spill fuel while fueling
and do not overfill the tank – leave
approximately 1/2" (13 mm) air space.
Closing
WARNING
An improperly tightened fuel filler cap
can loosen or come off and spill
quantities of fuel. To reduce the risk of
fuel spillage and fire from an improperly
installed fuel cap, correctly position and
tighten the cap in the fuel tank opening:
1
2
Raise the grip on the top of the cap
N
until it is upright at a 90° angle.
Insert the cap in the fuel tank
opening with the exterior positioning
MS 250