Yes, the seal has been leaking and it needs to be replaced; probably the motor bearings too.
Removing the impeller requires you lock the shaft as you turn the impeller off counter-clockwise. To lock the impeller you will have to remove the motor end cover or a cap covering the shaft end depending on which version your particular motor has. Look at the end opposite the pump and imagine a shaft from one end to the other right in the center.
Once you remove the cover you will see a slot for a screwdriver, a flat for a wrench, a hex hole for a hex key or some combination of these. Lock the shaft and spin off the impeller. Some are so tight you will end up breaking them in the process. Simply replace it and the seal. Be sure the motor shaft is in good enough condition to allow the new seal to work properly. If too much shaft material has rotted away the new seal will leak soon after it is installed; you would need a new motor at that point.
If this answer does not fix your problem, please comment with additional details prior to rating the answer. You may also contact me thru our website at www.arrowpools.net. Positive feedback is appreciated once your problem is solved!
John
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There are none; the large diameter plastic ring catches on the motor adapter plate and secures the motor assembly into the pump housing. You may still have the yellow locking tab in the ring as well. If so, one end of it will lift out of a hole; do so. Spin the tab out of the way then use a blunted paint scrapper, chisel or block of wood and a hammer to tap the ring loose in a standard CCW direction. Once the ring spins free you will need to work the pump end loose. They often stick in the housing so rock it back and forth to eventually break it free.
If this answer does not fix your problem, please comment with additional details prior to rating the answer. You may also contact me thru our website at www.arrowpools.net. Positive feedback is appreciated once your problem is solved!
John
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