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Jan 11, 2012 - pressure washer won't start unless trigger is depressed ... Thank you for your question on the pressure not starting unless you have the trigger pulled. ... After about 4 or 5 pulls the pump has built up enough pressure to make it ...
Jul 5, 2017 - After holding the trigger to keep the water running through the machine ... (but not water supply) and release pressure by squeezing trigger gun.
Think you need to replace the motor brushes. As they wear they get shorter and the spring that pushes them up against the commutator is now at the end of its travel. Replace brushes or stretch the spring a tad.
Sounds to me like you have a bad cord. Clamp the saw to a workbench so that it can start and run safely without you having to hold it. Put tape or a wire tie around the trigger to hold it in. THEN plug it in. Then move the cord around, especially near where it enters the saw. If the saw starts and stops intermittently you have confirmed the bad cord. Good luck.
It is running too lean, start with the simple things first, replace the fuel filter in the tank, check all the fuel hoses for signs of damage or fuel leaks, replace as required, if all these things are ok, you need to richen up the mixture screws on the carb ( you may need special tools to do this if they are anti tamper screws ) unscrew 1/8 turn on each and try again.
Hi, Turn the L and H screws in gently until they just stop turning (no force at all) first. Then back them off 1.25 to 1.5 turns from closed. Set the L speed first unit running so that the unit does not stall when trigger is squeezed and then MAX throttle adjust the H screw until you get max speed. Recheck for stalls when trigger squeezed again and repeat above steps until you have no stalls / hesitation and max speed.
ADJUSTMENTS should not be much more than the width of a screwdriver blade on either screw before re-testing. Never more than 1/8 th turn per adjustment for sure.
If the engine dies shortly after start. Squeeze the spray wand trigger to release pressure on the unit. When restarting let the engine run for a few min(2-3 no more) to warm up, the unloader valve on the pump should keep pressure to a minimum. If the engine stalls or will not run you need to check your carburetor and clean it. BECAREFUL as FUEL is FLAMMABLE and there are small parts in the carb float bowl that like to get lost. A rebuild kit for most carbs is less than $8USD and a can of spray carb cleaner about$2-3. Install a fuel cut off valve($6) to keep the carb from gumming up again. Shut off the fuel when not in use or for periods of prolonged storage. Take a picture of the carb on the engine(my memory is bad) and during disassembly to assure you get it back together properly. The idle screw should be turned in(to the right)till it seats lightly then backed out 1&1/2 to 2&1/2 turns to start with. After starting the engine adjust for good idle and running buy turning in or out to attain the best idle. If this is helpful, Please leave Feedback. Thanks, SnugglePants
I am afraid that is how they work even electric ones wont start unless you squeeze the trigger ,once they are running you should be ablr to release the trigger , and then squeeze it again whilst running . if yours dies when you release the trgger while motor is running -----good chance you are working at too high pressure. but to start you have to release all the internal pressure
common for not starting unless trigger engaged as you are turning the pump as well as engine creating pressure,as for stalling pump has unloader valve which is probably in need of grease(use good silicone grease)this allows water to ciculate when trigger released.