We recently bought a home in Florida [8D] with a sprinkler system which has been in the ground less than nine months. The back yard has six K-Rain rotors (no model number on the rotor). One was practically laying on its side near the lawn surface. This one is slightly lower than the others due to slope. I dug it out and down to the flexible pipe connection. After flushing, the hole was flooded and the soil stayed wet. After putting the original soil back and trying to pack the rotor, it does not...