In this video, we show you how to change the Piston Ring on a Stihl FS56 & 56R Brushcutter.

Health & Safety Warning - Please ensure that you have safely prepared the machine and workspace. If you are unsure about any aspect of the task please seek professional advice.

Transcript

Today we are going to change the Piston Ring on a Stihl FS 56 Brushcutter. Use a 14mm Torx Spanner to remove the screw on the air filter cover. Remove the air filter. Unscrew the two nuts located inside the filter housing with an 8mm hex socket spanner. Detach the hose connected to the back of the filter housing, this will allow access to the carburettor. You can also remove the recoil starter for easier access. Disconnect the throttle cable and two fuel hose to allow removal of the carburettor. Using a torx spanner remove one screw from the top of the shroud and remove the seven from the engine housing. The shroud can now be removed giving access to the engine. Remove the four screws securing the engine from the engine housing Disconnect the lead on the ignition module before lifting the engine. Undo the 2 screws on the exhaust with a torx spanner. The Exhaust should now come free. Remove the four screws on the crankcase with a torx spanner this will release the cylinder. You now have access to replace the piston ring Before fitting the cylinder back on lubricate the piston, make sure the arrow on the top of the piston is pointing towards the exhaust. Secure the crankcase with the four screws using a torx spanner. Fit the exhaust and secure the two screws with a torx spanner. Secure the engine back onto the engine housing with the four screws and a torx spanner and reconnect the ignition module lead. Using a torx spanner reattach the shroud and engine housing with 8 screws. Fit the Carburettor, reattach the two fuel hoses and throttle cable. Put the filter housing back into place and secure the two nuts with an 8mm hex socket spanner. Place the air filter back onto the filter housing with the arrow pointing upwards. Use a 14mm Torx Spanner to screw the air filter cover back in place. That is how you change the Piston Ring on a Stihl FS 56 Brushcutter.

Parts

Parts and tools included in the FS56 & 56R Brushcutter how-to video.

• Genuine Piston Ring - 4144 034 3000
• Socket Set - B/S01535
• Stihl Combination Wrench - 4128 890 3400