Ryobi RBC30SESB Manuel D'utilisation page 71

IF THESE SOLUTIONS DO NOT SOLVE THE PROBLEM, CONTACT YOUR AUTHORISED SERVICE DEALER.
PROBLEM
Grass wraps round shaft
housing and string head.
Bump knob hard to turn.
Lubricant drips from muffler.
English (Original instructions)
TROUBLESHOOTING
POSSIBLE CAUSE
1. Cutting tall grass at
ground level.
2. Operating trimmer at
part throttle.
Screws threads dirty or
damaged.
1. Operating trimmer at
part throttle.
2. Check lubricant/fuel mixture.
3. Air filter dirty.
22
SOLUTION
1. Cut tall grass from the top down.
2. Operate trimmer at full throttle.
Clean threads and lubricate with grease - if no
improvement, replace bump knob.
1. Operate trimmer at full throttle.
2. Use fresh fuel and the correct full synthetic 2-stroke lubricant
mix.
3. Clean per instruction in Maintenance Section.