Ryobi RLT254CDSO User Manual page 29

PROBLEM
Engine starts, runs, and
accelerates but will not idle.
Line will not advance.
Grass wraps round shaft
housing and bump head
Bump knob hard to turn.
Lubricant drips from muffl er.
English (Original instructions)
POSSIBLE CAUSE
Idle speed screw on carburetor
requires adjustment
1. Line welded to itself.
2. Not enough line on spool.
3. Line worn too short.
4. Line tangled on spool.
5. Engine speed too slow.
1. Cutting tall grass at ground
level.
2. Operating the product at part
throttle
Screw threads dirty or damage.
1. Operating the product at part
throttle.
2. Lubricant/fuel mixture
incorrect.
3. Air fi lter is dirty.
27
SOLUTION
Contact a servicing dealer.
1. Lubricate with silicone spray.
2. Install more line. Refer to "Line Replacement" earlier
in this manual.
3. Pull lines while alternately pressing down on and
releasing bump head.
4. Remove line from spool and rewind. Refer to "Line
Replacement" earlier in this manual.
5. Advance line at full throttle.
1. Cut tall grass from the top down.
2. Operate the product at full throttle.
Clean threads and lubricate with grease - if no
improvement, replace bump knob.
1. Operate the product at full throttle.
is 2. Use fresh fuel and correct synthetic 2-stroke lubricant
mix.
3. Clean per instruction in "Maintenance" section.