Stihl MS 171 Instruction Manual page 22

English
► Fit filler cap and turn it counterclockwise until it
engages in the seat of the filling port
► Continue to turn the filler cap counterclockwise
(approx. 1/4 turn) – this will twist the base of
the cap into the correct position
► Turn the filler cap clockwise and close it – see
the section "Closing" and "Checking the lock"
12.4 Filler cap with marking
12.4.1 To open:
► Open bracket
► Turn filler cap (approx. 1/4 turn)
22
Markings on filler cap and fuel tank must align
► Remove the filler cap
12.4.2 Filling with fuel
Take care not to spill fuel while fueling and do
not overfill the tank.
STIHL recommends using the STIHL filling sys‐
tem for fuel (special accessory).
► Fill with fuel
12.4.3 Closing
Bracket is in an upright position:
► Position filler cap – markings on filler cap and
fuel tank must align
► Push the filler cap down as far as it will go
12 Fueling
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