Question about Garden
This sounds like the pump has dead headed. I.e. the unloader valve is sticking. Unhooking all of the hoses should eventually allow everything to free up. Once it is free what you should do is add about 3 ounces of oil into the water inlet connection and let the unit sit overnight. Pull the recoil with the switch off to make sure that the oil has passed into and through the pump.
If the engine has frozen in place due to a lubrication problem you can try putting about .5 ounce of oil into the spark plug hole once the plug is removed. Let the oil sit for about 10 - 15 minutes in the cylinder head then pull the recoil with the switch off to clear the oil you added into the spark plug hole before re-installing the plug.
If it locksup yet again after this you wil have to remove the unloader bypass plunger from the pump assy and clean it. You will need to clean all of the seal mating surfaces with a rolled piece of sand paper. Also before re-assembly you must lubricate the seal surfaces with No. 105 Lubrilate "white grease" that is available at any auto parts supply source.
If after all of this it is still locked up the connecting rod has seized on the crankshaft and will require a rod bearing replacement and crank shaft polishing with emery cloth before insxtalling the new rod end bearing.
Thanks for using FixYa.
Posted on May 28, 2010
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Posted on Jan 02, 2017
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