How to Troubleshoot a Ryobi RLT30CD

Written by vanessa ryan
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Ryobi is a common brand name of power tools for your workshop, garden and around the house. The RL T30CD is a string trimmer that is designed to cut away weeds and put the finishing touch around the edges of your lawn-mowing job. The trimmer uses a thin plastic line or string at the bottom that whips around at a high rate of speed. The string slices through weeds and grass effortlessly and is a good addition to your landscaping tools. Troubleshoot small issues yourself before you bring the trimmer in for servicing.

Skill level:


  1. 1

    Replace the spark plugs and try pushing the primer bulb a handful of times if the trimmer won't start.

  2. 2

    Clean out a flooded engine by removing the spark plug and rotating the trimmer so the hole is pointed at the ground. Move the choke to the running man symbol and pull the cord 10 to 15 times.

  3. 3

    Cut longer grass from the top to the bottom instead of the other way around if the grass is wrapping around the string housing and shaft of the trimmer. Also, try turning it to full throttle for more power.

  4. 4

    Lubricate the cutting string with silicone. Press down on the spindle and pull more out or remove it from the spool entirely and rewind it if the line is not advancing.

  5. 5

    Locate the idle speed screw on the carburettor. Turn it clockwise if your engine starts, runs and accelerates but won't idle.

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