I cannot get the nut holding the impeller on to come loose. Any tips? Is it a regular thread or maybe revered? I've tried both ways. There's just no good way to hold the shaft in place while trying to loosen the nut.
The impeller has gotten really chewed up when vacuuming and getting some wood mulch sucked up.
The unit is in good shape. I did a full tune up upon purchase. All Husq OEM parts. husq oil and high test non ethanol fuel. Ran the unit for about 4 hours (non continuous) and now when warm is develops a pretty healthy skip. tested kill switch (good), no intake or exhaust restrictions,compression primary and secondary in spec, carb clean, fuel filter clean, unit is developing weak spark, coil gap is good.