Question about Ryobi 30 Cubic Centimeter Curved Shaft Gas Trimmer
Ryobi cs30 dosn't start, i changed sparkplug and nothing.
Soaking these carbs overnight in strong carb cleaner solution can possibly damage the sensitive check valves in the H and L circuits. Zama states NOT to soak their diaghram carbs and others recommend only cleaning them with non-flammmable brake cleaner spray. Never soak the top (primer-base assembly) and the check valves (2) can be damaged also.
Posted on Aug 29, 2010
>>Here is a Basic Instruction File I am in the Process of Making. Here are some Diagnostic Instructions to Do on the Engine to Locate the Cause/Cure for a Hard/Not Starting Engine. This Does Not Include a Problem with the Valves. If I Suspected the Valves (if this is a 4 Cycle Engine) are Involved, then a Separate File for the Valves will be in this E-mail. This is a File in the Making, so Any Input is Appreciated.
>>1- Check the Spark. If Not Firing, then Replace the Plug.
>>2- If the Plug is Firing, then First, Pour a Small Amount of Gas (1oz) Into the Carburetor Throat with the Throttle at Full. With the Throttle Still at Full, Try to Start the Engine. If the Engine Starts and Quits, then Make Sure the Gas is Flowing to the Carburetor. If the Gas is Flowing, then Remove, Disassemble and Soak the Carburetor Overnight in Carburetor Cleaner (I Use Gunk). I have Found that Most People can Use a Breakdown/IPL and Disassemble the Carburetor Enough for Proper Cleaning. The Welch Plugs Do Not have to be Removed. Then Soak the Carburetor Body and Parts in a 1 Gallon Can of Gunk Carburetor Cleaner Overnight. The Can has a Parts Tray Inside it for the Small Parts. Once the Carburetor and Parts are in the Cleaner, you can Replace the Lid for Safety and to Prevent Accidental Spillage. Then Blow Out the Passages with Compressed Air. Install New Parts if Required.
>>3- If No Fire at the Plug, then Remove the Coil Shut Off Wire from the Kill Switch. Check for Fire. If No Fire, then Remove the Blower Housing and Remove the Ground Wire from the Coil. Check for Fire. If Still No Fire, then the Coil is Bad.
>>* **On Models with Point Set, the Condenser is Bad and the Point Set and Condenser should be Replaced as a Unit. Make Sure the Point Set Plunger is Fully Extended when Setting the Point Set Gap to .020in.
>>** If there was No Response from the Engine When the Gas was Poured Into the Carburetor Throat and the Plug was Firing, then Check the Compression. If the Compression is Good, the Carburetor has Been Soaked and Cleaned and the Plug is Firing, then Check the Flywheel Key. If the Key is Damaged, then the Plug Firing is Incorrect to the Position of the Piston During the Compression (Power Stroke).
>>*** On the OHV Engines (4 Cycle) there is a Compression Release. The Exhaust Valve Clearance has to be Opened to .020in or Greater for the Compression Release Not to Operate; in Order to get a Correct Compression Reading.***
I am New to this Site, so Please Allow me a Little Time to Locate your Next Post on this Site. Im Not Sure How it Works Yet. LOL. Thanks.
Please, Do Not Hesitate, If you Hit a Snag or this Does Not Correct the Problem, I am Here if You Require More Assistance.
Hope this Helps. Let me Know What Happens, Please. May the All Mighty Bless You and Yours. Be Safe and Be Happy. Thanks.
Posted on May 11, 2009
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Posted on Jan 02, 2017
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