Chain Lubricant - Stihl MS 171 Instruction Manual

13 Chain Lubricant

► Hold the filler cap down and turn it clockwise
until it engages
Then the markings on filler cap and fuel tank will
align
► Close bracket lock
Filler cap is locked
0458-533-0121-E
12.4.4 If the filler cap will not lock onto the
fuel tank
The base of the filler cap is twisted in relation to
the upper part.
► Remove the filler cap from the fuel tank and
look at it from above
left: Base of filler cap is twisted – interior
marking (1) is aligned with the exte‐
rior marking
right: Base of filler cap is in the correct
position – interior marking is below
the bracket. It does not align with
the exterior marking
► 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
section "Closing"
13 Chain Lubricant
For automatic and reliable lubrication of the
chain and guide bar – use only an environmen‐
tally compatible quality chain and bar lubricant.
Rapidly biodegradable STIHL BioPlus is recom‐
mended.
English
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