I have about 50 hours. Last time used the blower started to slow down on its own with full power set. Next time I tried to start (2 weeks later) would not start. Replaced spark plug (original was sparking ok), replaced air filter, checked fuel filter-not clogged. Used at least 2 times per week for 20-30 minutes--really liked blower, but $60/hour to repair-not worth it. What should I check--compression? Hard to find a good 2 cycle repair manual.
Tim form VA Beach
I have the same problem with mine . The FL 1500 model is a older model and the lines that run from the tank to the carb could be brittle and cracked like mine . The only way mine will fire is to spray starting fluid in the carb . It will run for a short time and die like its not getting fuel and everything else checks out ok and im trying to find a new tank and lines for mine at this very moment . The lines had cracks in them everywhere and i believe you have to buy the lines and tank as a unit so if i can find one and get it working ill let you know .
Tim ; if the machine was slowing down while you were using it it sounds like the fuel mixture was too lean ( not enough oil ) you need to check the compression with a compression guage . a 2cycle needs a min of 90 lbs to run , usually you should have 125 lbs check and get back to me
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Sears sells what they call a "carb kit" P/N 545081857. It\'s a complete carb for $30 + shipping + tax. I\'n throwing near $50 after a $90 blower that didn\'t make it a full year. Not to mention that I spent half a day calling uninformed (but personable) clerks at Sears asking them about gasket kits for a carb. They just make up stories, like "bring it in, they will know what to do in the store" or "They have the parts in the department"
This engine may well have seized, remove the muffler and check the condition of the piston skirt through the open exhaust port, any signs of scuffing and the machine will have to come apart to assess the damage.
From your Description it Sounds like the Exhaust is Restricted or the "H" Mixture Screw Resuires Adjusting.
>>The Following is a Basic Instruction File for Doing a Diagnostic on the Engine for this Problem. Any Input is Appreciated. >>**Remove the Muffler and Make Sure the Exhaust Port is Clear. >>If it is, then Try to Start the engine with the Muffler Off. >>If it Starts and Runs Properly, then Clean the Spark Arrestor Screen in the Muffler or Replace the Muffler if Required.
>>The Following is the Instruction File for Setting the Air Mixture Screws. Any Input is Appreciated. The Procedure is the Same for 1 or 2 Mixture Screws, Just Use the Instruction File and Skip Over the Section with the Missing Mixture Screw ( Usually the H Mixture Screw). >>Now Setting the Air Mixture Screws: >>****Turn the Idle Air (L) and Main Air (H) Mixture Screws In Until SNUG **Do Not Jam** Then Reverse Both Screws 1 1/2 Turns. Set the Throttle Full Open, Start the Engine. >>Turn the Main Air (H) Mixture Screw Clockwise Until Proper Revs are Obtained. **Carefully Use your Finger and Move the Governor Arm to Rev the Engine (on Chainsaws and Trimmers Use the Trigger to Rev the Engine) Until you Reach Max RPMs (on Chainsaws and Trimmers, the RPMs are Not Set to MAX. Set to Max and then Reverse the Setting Screw 1/4 or 1/2 Turn. If the H Mixture Screw is Set too High; the Engine will be Starved for the Oil in the Gas and Damage the Piston and Jug/Cylinder) and the Engine is Running Proper at Full Throttle Up a Grade and for Chainsaws and Trimmers they Do Not Bog DOwn Under a Load. Occasionally you May have to Turn this Counter Clockwise to Achieve the Proper Revs.** >>Now Allow the Engine to Idle. Set the Engine Idle Screw (Not Idle Air) so the Engine will Stay Running if Required. >>Now Set the Idle Air (L) Mixture Screw so there is No Hesitation when Rapidly Throttling from Idle to Full Throttle. Reset the Engine Idle if Required.**** Please, Do Not Hesitate, If I Missed Something or 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.