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That's the thermal cut off circuit. If the motor gets to hot it trips and shuts it off. When it cools down it will turn on again but it is generally an indicator of one of the following; the cone filter needs changed or the inner filter ring that sits above the motor inside the unit is shot. One is an easy change the other requires dis-assembly, better carried out by a vac tech if you aren't comfortable taking it apart. In the meantime remove the cap out of the top of the vacuum, that will let it exhaust heat better but I strongly recommend getting that filter ring changed.
Try pressing and holding the start button for about 15 seconds and see if the vacuum re-starts. The power board would probably run you somewhere between 3$35-$50 plus labor if your machine is not still under warranty. If it is still under warranty, it should cost you nothing.
Your battery is losing voltage too quick. It has probably developed a
'memory'. Dyson claims that their handheld has the best suction out of
all the handhelds out there. In order to maintain that claim the circuit
board will shut off power to the motor when the voltage drops below
adequate charge for full suction.
We need someone who can teach us to bypass that part of the circuit so
it won't cut power to the motor or you need to get a new battery.
Shorting the battery like an Aircraft battery then re-charging won't fix it.
Storing a chain saw for longer than 30 days requires storage maintenance. Unless the storage instructions are followed, fuel remaining in the carburetor will evaporate, leaving gum-like deposits. This could lead to difficult starting and result in costly repairs. Never store a chain saw for longer than 30 days without performing the following procedures:
Remove the fuel tank cap slowly to release any pressure in tank. Carefullydrain the fuel tank.Start the engine and let it run until the unit stops to remove fuel from carburetor. Allow the engine to cool (approximately 5 minutes). Using a spark plug wrench, remove the spark plug.
Pour 1 teaspoon of clean 2-cycle oil into the combustion chamber. Pull starter rope slowly several times to coat internal components. Replace spark plug.
Store the unit in a dry place and away from possible sources of ignition such as a furnace, gas hot water heater, gas dryer,etc.When removing the unit from storage, be sure to perform the following procedures:Remove spark plug. Pull starter rope briskly to clear excess oil from combustion chamber.Clean and gap spark plug or install a new spark plug with proper gap.Prepare unit for operation.Fill fuel tank with proper fuel/oil mixture. This will help.Thanks,please keep updated. please do rate the solution positively .thank you for using fixya
The 3 adjustment screws are Idle, high and low.
First figure out which screws are which adjustment. Tighten the screws then turn them 1 full turn.
Then start the saw and get it warmed up. Work on the high adjustment. This does take a little while. after you get the saw running at high speed work on the low speed.
You will need a parts breakdown and exploded views to start with as well as a manual , All you have to do is call 1-800-521-8559 and select U.S. then select the parts department, have your model number ready and ask them for a PDF of the owners user manual to be emailed to you, they will normally be sent in 1 hour for free.
After that is done then you can see the fuel filter and line inside the tank you will need to replace, take your printed views and manual to the nearby lawn mower shop and they will help you get the parts you need even if the original ones are not available. blow out the carb with chemtool and install the parts, use NEW GAS, NEW OIL and from that day forward never leave fuel in a unit for more than 3 months. Good Luck...
Found all the mcculloch manuals you could ever want on mcculloch product information site. Its run by mcculloch an you put the product weather chainsaw or strimmer whatever an the type in the next collum an press download then print it off all very easy. My manual was in german so made up i found stumbled on this.