Stihl SR 420 Instruction Manual page 26

English
The following intervals apply to normal operating conditions only. If your daily work -
ing time is longer or operating conditions are difficult (very dusty work area, etc.),
shorten the specified intervals accordingly.
Anti-vibration elements
Air intake screen
Safety labels
1)
not in all versions, market-specific
2)
STIHL recommends an authorized STIHL servicing dealer.
24
Check
2)
Have replaced by servicing dealer
Check
Clean
Replace
X
X X
X X
X
X
X
SR 420