Stihl BR 550 - Maintenance Chart

31BR 500, BR 550, BR 600
English
1)
STIHL recommends that this work
be done by a STIHL servicing dealer
Maintenance Chart
The following maintenance intervals apply to normal operating conditions only.
If your daily working time is longer than normal or operating conditions are
difficult (very dusty work area etc.), shorten the specified intervals accordingly.
before starting work after finishing work or daily after each refueling stop weekly monthly every 12 months if problem if damaged if required
Complete machine
Visual inspection (conditon, leaks)
xx
Clean
x
Control handle Check operation
xx
Air filter Replace
xx
Filter in fuel tank
Have checked by dealer
1)
x
Have filter replaced by dealer
1)
xx
Fuel tank Clean
x
Carburetor
Check idle setting
xx
Readjust idle
x
Spark plug
Readjust electrode gap
x
Replace after 100 hours of operation
Cooling air intakes Clean
x
Valve clearance
Check, adjust if necessary, after 139
hours of operation
x
Combustion chamber
Decoke after 139 hours of operation,
then every 150 hours
x
Spark arresting screen in muffler
Check
x
Clean or replace
x
All accessible screws and nuts (not
adjusting screws)
Tighten
x
Anti-vibration elements
(rubber buffers, springs)
Visual inspection
x
Have replaced by dealer
1)
xx
Blower air intake screen
Check
xx
Clean
x
Throttle cable Adjust
x
Discharge wire (machines with non-
adjustable blowing attachment)
Check
x
Replace
xx
Safety labels Replace
x