Gimbal bearing zerk
#2
Someone has replaced the original bearing with the new no- greaseable sealed bearing. The Merc kit includes a set screw to replace the zerk so someone doesn't try to grease the new bearing.
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Some people are like Slinkies - Not really good for anything, but they
bring a smile to your face when pushed down the stairs.
Some people are like Slinkies - Not really good for anything, but they
bring a smile to your face when pushed down the stairs.