Question about Tecumseh Horizontal Tiller Engine 8 Hp, 1" X 2 57/64" Shaft, Modelno. Hm80 - 155656x
I have an 824 Toro snowthrower. I has started leaking gas from around the idle speed screw and from where the fuel line connects to the carb there is a constant flow of fuel. Any ideas on how to stop the flow of fuel besides shutting of the fuel valve, could it be the the needle stuck in the float. If so where is it located in the bowl!!! Also whenever the engine is primed, fuel shoots out of a small hole located above the idle mixture screw!! any ideas will be greatly appreciated, snow is on it's way!!!
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Posted on Jan 02, 2017
>>The Following is an Instruction File I made for Correcting this Problem. Any Input is Appreciated.
>>****All the Carburetor Adjustments are the Same for Lawn Mower and Trimmers.
>>There are Several Location for the Air Mixture Screws.
>>The Idle Air Mixture Screws are Usually Located at the Top of the Carburetor Bowl and the Top of the Carburetor Body.
>>If the Main Air and Idle Air Mixture Screws are Side by Side on the Side of the Carburetor, then the Idle Air is the Nearest to the Engine.
>>The Main Jet Air Mixture Screw is Located in the Bottom of the Carburetor Bowl or Beside the Idle Air Screw on the Side of the Carburetor Body.
>>The Engine Idle Screw is Usually Easy to Identify because you can See where it Makes Contact with the Carburetor Throttle Shaft Plate Stop Ear. The H and L Air Mixture Screws Go Into the Body of the Carburetor and the Tips Cannot be Seen.
>>Some of the Older Model Carburetors have the Main Jet Mixture Screw Straight in from the Top of the Carburetor Body (this is Rare anymore).
>>If you have Cleaned the Carburetor (Disassembled and Soaked Overnight in Carburetor Cleaner (I Use Gunk). Then Blow Out the Passages with Compressed Air and Install a New Kit if Required.
>>Now Setting the Air Mixture Screws:
>>****Turn the Idle Air and Main Air Mixture Screws In Until SNUG **Do Not Jam** Then Reverse Both Screws 1 1/2 Turns.****
>>Holding the Throttle Full Open, Start the Engine.
>>Turn the Main Air Mixture Screw Clockwise Until Proper Revs are Obtained. 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 Mixture Screw so there is No Hesitation when Throttling from Idle to Full Throttle.
>>Reset the Engine Idle if Required. If This Carburetor has a Single Air Adjustment.
>>Use the Section Above that Pertains to Full Throttle RPM Air Mixture Screw and then Adjust the Screw if Required to Eliminate Any Hesitation when Rapidly Throttling from Idle to Full Throttle.**
>>2- http://www.cpdonline.com/692509.pdf .
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
It sounds like it is 2 stroke.
Carefully remove the carb bowl, by undoing the brass bolt.
Examine the brass bolt for a small pin-hole in the side.
Use a piece of corn-broom NEVER anything else !!! and poke the hole(S) to make sure they are clear.
Blow out with air if available.
You can use this method to clean out all the carb orifices carefully.
Hope it helps,
Posted on Jul 16, 2009
check valve clearance. if ok you going have change carb.sometimes i rebuild a carb everthing seam ok but carb wont work right so i have get a new carb and it works fine evertime
Posted on Jul 21, 2009
SOURCE: I own the 10685, mowed
I own this same one. Mine stalls out after a few secs if I don't have the mulch plug all the way engaged. It's worth checking to make sure before messing around with bigger stuff.
Posted on May 26, 2010
Certified BLOWER EXPERT
This item is equipped with an electric starter, regardless of the age of the gas (Unless there is rust persent in the GAS tank), the unit will many times still turn over. This unit is also known to have problems with its COLD START or start for very cold temperature. This is what I did to fix my same problem. Attempt to move the unit into a warmer climate such as a garage, cover it will several blankets, (These blankets may get gas on them CAUTION), and allow the unit to warn up. When the unit is COLD, the metal inside the unit contracts and is not in the exact same condition as it was when you purchased the unit. Further, warming up the parts naturally will allow the metal to warm up and greatly increase the possibility of an electric start. Please try this option first.
Posted on Jan 21, 2011
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