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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.
WARNING
To reduce the risk of fire and burn injury,
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.
40
Installing the spark plug
Install the spark plug and connect
N
the spark plug boot (press it down
firmly) – reassembly all other parts
in the reverse sequence.
1
2
Replacing the Starter Rope
and Rewind Spring
Removing the Rewind Starter
1
1
Take out the screws (1).
N
Ease the fan housing away from the
N
engine housing and remove it
sideways.
Releasing Tension on Rewind Spring
Always release tension on rewind spring
before working on the rewind starter.
The system will not be under tension if
either the starter rope or rewind spring is
broken.
1
MS 150 C
