Manual Alpina It 31015 [extra Quality]
If cutting performance drops (e.g., branches chew or tear rather than snap cleanly), the blades need sharpening. Take the unit to an authorized Alpina service center, or use a fine flat file at the original cutting angle if you are experienced in blade maintenance. Cleaning the Housing
Check the plug for carbon buildup or a disconnected lead. Manual Alpina It 31015
: Replace the clutch cover. Hand-tighten the nuts but do not fully torque them yet. If cutting performance drops (e

