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The bearing on my pulley is held in by several "pressed tabs" on the back side of the pulley. These tabs are the result of a punch being pressed into the metal pulley just next to the bearing. Replacing the bearing would require drilling these tabs. Once the new bearing was installed, new "press tabs" would be required to hold the new bearing in. I think it could be done with a few sharp blows on a drift pin. Fortunately, my bearings were still servicable.
I ended up making a "grease press" to grease the front pump bearings. (an idea that came to me while squeezing some toothpaste on to my toothbrush) I used a piece of radiator hose and some hose clamps. A picture is attached.
I reinstalled the pump. It is now very quiet when engaged.
J. M. van Swaay
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