Remove bolts holding the end bell with field winding being careful not to break carbon brushes. Pull off the stator section and set on workbench being careful not to damage windings. Remove the long bolt at the center of the rotor on the crank of the engine. Now you will need to apply penetrating oil between the shaft of the engine and the rotor to loosen the rust on the tapered part of the shaft. It may take several applications. Place a piece of hardwood against metal to protect the rotor and firmly rap with hammer on both sides. You may need to use pry bar against engine and rotor as you hammer hardwood. Repeat as necessary, some rotors will be very stuck due to rust. Use caution not to damage rotor or windings. Good luck.
only trouble is there is no bolt runnin through rotor shaft is solid rite to end where bearing is mounted but still no joy in getting it off
Depending on type of engine used, may thread off. Take a look at the link below and look for your engine type. First determine what shaft was used, then proceed. I have worked on honda gen sets for 30 years and have not encountered a thread-on rotor on small unit. I checked my master honda parts manual and it does not list ec4000. I will try to find manual. Please email engine details if you cannot determine which crank. It must not be common model for US. Good luck
http://www.planopower.com/store/honda/in...
hi rite av just been an looked at it an these r numbers GCAB-1152346 and off carb 21A B in a box JH ] dont know if this any help a checked that link but cant see it no sure if am lookin in rite places lol but am greatfull for ur help
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