MS 650, MS 660
English
17
Dispose of empty mixing-oil canisters
only at authorized disposal locations.
Preparing the machine
N Before fueling, clean the filler cap
and the area around it so that dirt
cannot fall into the tank.
N Always position the machine so that
the filler cap is facing upwards
N Open the filler cap
Refueling
Take care not to spill fuel while fueling
and do not overfill the tank.
STIHL recommends use of the STIHL
filling system for fuel (special
accessory).
Use a suitable tool (e. g., screwdriver of
the combination wrench) for slotted filler
caps.
Fuel pick-up body replacement
Change the fuel pick-up body every
year; to do this:
N Drain the fuel tank
N Pull the fuel pick-up body out of the
tank with a hook and disconnect it
from the hose
N Connect a new fuel pick-up body to
the hose
N Return the fuel pick-up body to the
tank
Examples
Gasoline Oil (STIHL 50:1 or equiva-
lent high-quality oils)
liters liters (ml)
10.02(20)
5 0.10 (100)
10 0.20 (200)
15 0.30 (300)
20 0.40 (400)
25 0.50 (500)
Fueling
After fueling, tighten down the
filler cap by hand as securely as
possible.
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