Stihl TS 410 Instruction Manual page 41

3
4
Remove the spark plug boot (3).
N
Unscrew the spark plug (4).
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.
TS 410, TS 420
WARNING
To reduce the risk of fire and burn injury,
A
use only spark plugs authorized by
STIHL. Always press spark plug boot (1)
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
Fit the spark plug by hand and
N
screw it in
Tighten spark plug with combination
N
wrench
Press the spark plug boot firmly
N
onto the spark plug
Position the cap for the spark plug
N
boot and screw it down
1
2
English
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