I have one of those needles that I use on idler pulleys when I can't remove the seal to pack the bearing. This afternoon I put it all back together, installed the deck, packed the bearing and put the seal back in. I did have more trouble than usual getting the seal to go back in, if it flies off while I'm mowing I'll wish I had used the needle. I adjusted the air gap to .020, I have a manual but didn't find the spec. While I was installing the deck belt I was able to turn the pulley by hand and when I cranked it up everything seemed to be working OK. This may not be the final solution but maybe it will get me through the rest of the summer. If the seal fails I'll report back. Thanks
Cannon
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