Stihl MS 461 Instruction Manual page 50

English
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 dirty spark plug.
N
Check electrode gap (A) and
N
readjust if necessary – see
"Specifications."
Use only resistor type spark plugs of
N
the approved range.
Rectify problems that have caused
fouling of spark plug:
too much oil in fuel mix,
–
dirty air filter,
–
unfavorable running conditions, e.g.
–
operating at part load.
48
WARNING
To reduce the risk of fire and burn injury,
use only spark plugs authorized by
STIHL. Always press spark plug boot (1)
A
snugly onto spark plug terminal (2) of the
proper size. (Note: If terminal has
detachable SAE adapter nut, it must be
securely attached.) A loose connection
between spark plug boot and ignition
wire connector in the boot may create
arcing that could ignite combustible
fumes and cause a fire.
Installing the spark plug
1
Screw in the spark plug
2
N
Press on the spark plug boot (1)
N
firmly
Insert the air baffle (2) from above
N
Mount carburetor box cover
N
2
1
MS 461 R