CarbonSteel
Well-Known Member
I highly recommend against using a grease fitting as a set screw. They are made out of very soft material and won't hold up. Installing a second one 180° out from the original is a good idea, but just for greasing purposes.
It all goes back to the design--aluminum bracket instead of steel, a thin wall bushing with a minimum interference fit (which allows rotation at minimal force), and minimum lubrication paths. In the end, it probably would not matter if it was a grease zerk or a set screw, the pitman arm has enough force to cause the bushing to turn due to lack of lubrication anyway. The 7 P's were definitely not considered.I agree with this.
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