Manual Alpina It 31015 Patched

Check for carbon buildup and ensure the gap is set correctly (typically around 0.5mm to 0.6mm).

Even without the original paper booklet, standard petrol chainsaw maintenance applies: Manual Alpina It 31015

| Problem | Likely Cause (per manual) | Solution | |--------|----------------------------|----------| | Engine won’t start | Old fuel, wrong fuel mix, or clogged carburetor | Drain fuel, mix fresh 2-stroke oil (40:1 or 50:1). Clean carburetor jets. | | Engine starts but dies when throttling | Dirty air filter or restricted fuel line | Replace air filter. Check fuel line for kinks. | | Cutting head spins at idle | Idle speed too high or clutch springs worn | Turn idle screw counterclockwise. Replace clutch springs if needed. | | Excessive vibration | Loose cutting blade or damaged drive shaft | Tighten blade nut to spec (check manual torque value). Inspect shaft for damage. | | Line won’t feed | Line melted inside head or worn feed mechanism | Disassemble head, clean, replace line (2.4 mm recommended). | Check for carbon buildup and ensure the gap