STIHL Backpack blower BR550

Warning: Only carry out the maintenance operations described in this manual.

STIHL recommends that other repair work be performed only by authorized STIHL servicing dealers.

Enter the current operating hours of the unit

Is the spark plug in good condition?

Upload a photo of the replaced spark plug

Sign off on the spark plug replacement

Warning: Only trained personnel should perform this operation

Is the air filter visibly dirty?

If the filter is dirty, proceed with the following steps

Turn off the unit before starting the cleaning process

Remove the air filter carefully

Clean the air filter with a soft brush or vacuum

Replace the air filter if it's damaged

Reinstall the air filter correctly

Sign off on the air filter cleaning

Warning: Only carry out the maintenance operations described in this manual.

STIHL recommends that other repair work be performed only by authorized STIHL servicing dealers.

Enter the current operation hours of the unit

Decoke Combustion Chamber operation successful?

Upload a photo of the cleaned Combustion Chamber

Sign off on the Combustion Chamber Decoke

Warning: Only carry out the maintenance operations described in this manual.

If spacer is not functional, report the issue to the authorized STIHL servicing dealer and stop the procedure.

Warning: Only carry out the maintenance operations described in this manual.

STIHL recommends that other repair work be performed only by authorized STIHL servicing dealers.

Enter the current hours of operation

Check if valve clearance is within specified limits

Upload a photo of the adjusted valve clearance

Sign off on the valve clearance check