Stihl MS 171 Manual De Instrucciones página 37

mark (1) lined up with the
"unlocked" symbol (2) on the fuel
tank housing.
4
1
3
Using the grip, press the cap down
N
firmly while turning it clockwise to
the closed position (approximately
1/4 turn). In the closed position, the
interior (4) and exterior (1)
positioning marks will align with the
"locked" symbol (3) on the fuel tank
housing.
Fold the grip flush with the top of the
N
cap and check for tightness.
WARNING
If the grip does not lie completely flush
with the cap or the detent on the grip
does not fit in the corresponding recess
in the tank opening, or if the cap is loose,
the cap is not properly seated and you
must repeat the above steps. Also refer
to the procedure below for returning the
base of the cap to the proper starting
position for installation.
MS 171, MS 181, MS 181 C, MS 211, MS 211 C
If the filler cap will not engage into the
fuel tank housing
A B
1
1
2 2
If the cap does not drop fully into the fuel
tank opening when the positioning
marks (1, 2) line up, or if it does not
tighten properly when turned, the base
of the cap may be prematurely rotated in
relation to the top. Such misalignment
can result from handling, cleaning or an
improper attempt at tightening.
Illustrations A and B: The base of
–
the cap is prematurely rotated to the
closed position and is not in the
correct starting position for
installation. The tank will not seal in
this configuration. Note: in
Illustrations A and B, the interior
positioning marks (1) are in line with
the exterior position marks (2).
Illustration C: The bottom of the cap
–
is in the correct starting position for
installation. Note: In Illustration C,
the interior positioning mark (1) is
under the grip and not in line with
the outer position mark (2).
To return the base of the cap to the
proper starting position for installation:
A
C
1
Drop the cap into the fuel tank
N
2
opening (A).
Next, turn the cap counter-
N
clockwise with slight pressure until it
drops fully into the fuel tank opening
(approximately 1/4 turn) (B). This
will rotate the base of the cap into
the correct starting position for
installation (C). The exterior
positioning mark (1) on the cap will
line up with the "unlocked"
symbol (2) on the fuel tank housing.
The interior positioning mark should
be under the grip and not in line with
the outer positioning mark (1).
Then, turn the cap clockwise,
N
closing it normally.
If your fuel cap still does not tighten
properly, it may be damaged or broken.
Stop using the chain saw and take it to
your authorized STIHL dealer for repair.
English
B C
1
2
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