Stihl MS 461 Instruction Manual page 47

1
2
Lift the air baffle (1) up and off
N
Unplug spark plug boot (2)
N
Unscrew spark plug
N
Checking the spark plug
Clean the spark plug if it is dirty
N
Check the electrode gap (A) and
N
readjust if necessary – see
"Specifications"
Use only resistor type spark plugs of
N
the approved range
Correct the problems that have caused
fouling of the spark plug:
too much oil in fuel mix,
–
dirty air filter,
–
unfavorable running conditions, e.g.
–
operating at part throttle.
MS 461
WARNING
To reduce the risk of fire and burn injury,
use only spark plugs authorized by
STIHL. Always press the spark plug
A
boot (1) snugly onto the spark plug
terminal (2).
Do not use a spark plug with a
detachable SAE adapter terminal (3).
Arcing may occur that could ignite
combustible fumes and cause a fire.
This can result in serious injuries or
damage to property.
Only use resistor type spark plugs
N
with solid, non-threaded terminals
1
3
2
Installing the spark plug
2
1
Screw in the spark plug
N
Press on the spark plug boot (1)
N
firmly
Insert the air baffle (2) from above
N
Mount carburetor box cover
N
English
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