Whipper Snipper , Stihl , Mcculloch Fuel Primer
Experienced gardeners share their insights in answering this question :
Make sure the head is engaged on the drive shaft correctly
How to Identify and Fix Common Gardening Problems ?
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If the drive shaft is broken, the string trimmer head won`t spin. The drive shaft is not repairable—if the drive shaft is broken, you must replace it. Need help finding your model number? If the threads on the drive shaft are stripped, the trimmer head will not stay on the shaft.
If you`ve used the correct procedure to start your Stihl trimmer and it does not start, the problem is likely related to either the spark, the fuel or the air circulation in the combustion chamber. More often than not, it`s an easy fix, possibly involving replacement of a spark plug or air filter.
If the trimmer engine runs, but the trimmer head does not spin when the throttle is engaged, the clutch may be broken. The clutch prompts the drive shaft to start rotating once a certain rotational speed is reached and allows the engine to run without always rotating the drive shaft.
If the engine is not revving up and cuts out before you reach higher revs then you need to do the following checks: Fuel: Make sure it is fresh and correctly mixed (see `Starting Issues`). Air filter: Make sure it is clean and unclogged. Fuel cap: Make sure it`s hand-tight.
If the engine is running fast (revving high):
Make sure that the choke is disengaged and the throttle hold has been reset by pressing the trigger. You can check the throttle cable to make sure there are no kinks found in it – however this requires a mechanical proficiency to strip down the machine uncovering the cable.
The clutch engages the clutch pads to spin the trimmer head. If the clutch assembly is defective, the clutch will not disengage the clutch pads, and the trimmer head will continue to spin, even at low speeds. If the clutch is defective, replace it.
If your STIHL chainsaw is going to have a problem, it`s likely to be with a worn carburetor, bad spark plugs, loose fuel hoses, or clogged fuel lines. You should also inspect the fuel intake system and ensure that there are no compression issues.
Cable or Shaft
If the drive cable breaks or becomes detached, the saw blade will no longer spin. You can inspect the drive cable by removing the engine assembly from the shaft and checking to see if the cable is still in place. If the cable has slipped out of place, it will need to be reinstalled firmly.
Discover Relevant Questions and Answers for Your Specific Issue
the most relevant questions and answers related to your specific issue
Is there a way to make the whipper snipper head rotate the other way
ANSWER : No clockwise only
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How do i store a whipper snipper laying down or hanging up
ANSWER : Don;t matter just drain fuel
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Hi I need a part for my ryobi whipper snipper where can I find??
ANSWER : Try precisionope.com for parts lookup. They will need to know the model number, and part you are looking for.
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My whipper snipper starts and the engine revs but the head does not turn
ANSWER : Make sure the head is engaged on the drive shaft correctly
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How to Install a new ignition coil FS 38
ANSWER : A business card will work to get a workable gap but the exact distance is 0.15 – 0.45 mm
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Replacement parts how to replace fuel primer
ANSWER : It may be more than just a primer. Need more info.
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Stihl whipper snipper fuel oil ratio – whipper snipper stihl fs 38
ANSWER : All Stihl products are 50:1 fuel mixture
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My Z5426 won’t start. When I pull out the choke and turn the key, gas starts leaking out of the exhaust system just before it gets to the muffler. Last time it did start, it ran really rough. So, I turn off the engine and then tried to restart and that’s when I noticed the fuel leak.
ANSWER : Maybe bad fuel, fuel line leaking, flooding of the carburetor, since it did start and ran rough I am assuming that the gas was left set and more then likely this gummed up the carburetor, you will have to clean/rebuild it. If you have a can of carburetor clean you may be able to spray that into there and clean it up, I would not choke it to start it as it sounds like it got/is flooded/ing. Good Luck Tim
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