Instruction Manual

BR 500, BR 550, BR 600
English
26
WARNING
To reduce the risk of fire and burn injury,
use only spark plugs authorized by
STIHL. Always press the spark plug
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.
N Only use resistor type spark plugs
with solid, non-threaded terminals
Installing the spark plug
N Screw the spark plug (3) into the
cylinder and fit the boot (2) (press it
down firmly).
WARNING
To reduce the risk of fire caused by hot
particles escaping from the machine,
never operate the machine without a
spark arresting screen, or with the spark
arresting screen damaged. Do not
modify the muffler or spark arresting
screen.
NOTICE
According to the law or regulations in
some countries or federal states, certain
operations may only be carried out if a
properly serviced spark arresting screen
is provided.
N If the engine is down on power,
check the spark arresting screen in
the muffler
N Wait for the muffler to cool down
N Undo the screws (1)
N Remove the scoop (2)
N Remove the spark arresting screen
N Clean the spark arresting screen. If
the screen is damaged or heavily
carbonized, fit a new one
2
1
0000-GXX-1831-A0
3
3
002BA178 KN
2
Spark Arresting Screen in
Muffler
2
1
452BA090 KN
1