That is correct. The feed nut assembly. Be sure to remove the brass nuts and clean inside there as the assembly and nuts get gunked up. There are lead or aluminum tapered od inserts the tube fits in. On the opposite end of the tubes are metering units that look like jets. They are very difficult to clean and appear ploughed. The best way to check them is to leave the tubes attached and pump clean oil threw them. Atfer you clean out the oil pump reservoir and felt filter.
Thanks for the quick responses in more ways than one. Not only does it tell me where the lines go but it helps in selecting a new bracket. I'm changing the lead screws from ball to ACME type and was tempted to buy a used bracket that may not have the lube holes. I'll make sure it does now.
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