Stihl MSE 250 C Instruction Manual page 19

10 Filling Chain Oil Tank
► Fold the grip down.
Tank cap is locked.
10.5 If the tank cap cannot be
locked in the oil tank opening
Bottom of cap is twisted in relation to top.
► Remove the cap from the oil tank and check it
from above.
Left: Bottom of cap is twisted – inner
mark (1) in line with outer mark.
Right: Bottom of cap in correct position –
inner mark is under the grip. It is not
in line with the outer mark.
0458-764-0121-B
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► Place the cap on the opening and rotate it
counterclockwise until it engages the filler
neck.
► Continue rotating the cap counterclockwise
(about a quarter turn) – this causes the bottom
of the cap to be turned to the correct position.
► Turn the cap clockwise and lock it in position –
see section on "Closing the Tank Cap".
10.6 Checking Oil Level
► Check the oil level regularly during operation.
► Top up the oil tank when the oil level reaches
the "min" mark (1) or earlier.
If the oil level in the tank does not go down, the
reason may be a fault in the oil supply system:
Check chain lubrication, clean the oilways, con‐
tact your dealer for assistance if necessary
STIHL recommends that you have servicing and
repair work carried out exclusively by an author‐
ized STIHL servicing dealer.
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