Maintenance Chart - Stihl BR 420 Manual De Instrucciones

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.
Complete machine
Control handle
Air filter
Pick up body in fuel tank
Fuel tank
Carburetor
Spark plug
Cooling air intakes
Spark arresting screen in muffler
All accessible screws and nuts (not
adjusting screws)
Anti-vibration elements
Blower air intake screen
Safety label
1) STIHL recommends that this work
be done by a STIHL servicing dealer
BR 420
Visual inspection (conditon, leaks)
Clean
Check operation
Clean
Replace
Check
Replace
Clean
Check idle setting
Readjust idle
Readjust electrode gap
Replace after about
100 operating hours
Clean
Check
Clean or replace
Tighten
Check
Have replaced by servicing
1)
dealer
Check
Clean
Replace
x x
x
x x
x x
x
x
x x
English / USA
x
x
x
x
x
x
x
x x
x
x
x
x
x
x
27