Stihl BR 400 Instruction Manual - Page 20

4 3 4 5 1 1 2 4 1 4 76 4 3 4 5 1 1 2 4 1 4 353BA025 353BA026 353BA025 If the engine is down on power, check the spark arresting screen in the muffler. Wait until engine has cooled down completely before performing the following operations. • Take out starter cover mounting ••• screws . Remove the starter cover . Pull off the spark plug boot . Take out the housing mounting screws . • Remove the housing . • Squeeze the ends of the clip • together and lift the clip away. Take the spark arresting screw out of the muffler. Clean the spark arresting screen. •• If screen is damaged or heavily carbonized, fit a new one. Install the spark arresting screen . •• Fit the clip . Place housing in position. Tighten down housing screws. Fit the spark plug boot . Fit the starter cover . Tighten down the starter cover screws .