Look at my previous post. I linked a document made by Moog on how to grease the parts that have Zerk nipples. Of course, you need a grease gun and grease for this.

 

Simply responding to what people write. Level of experience varies wildly and I don't track any individual's other posts to access their experience levels. I was halfway thinking it would turn out this way. Never mind.

 

spooky neo mentioned it above, that moog recommends "servicing" at each oil change, he even provided the following pdf = https://fme-cat.com/livedocs/DYK10_103_ENG-R.pdf

I did install those, but I do not have a grease gun that pumps things into nipples. hence, my recommend on what other people use/prefer