If you type Alemite button head grease fitting in the search bar it will show you options. The Alemite fitting in your photo needs to be replaced, they are still available.
Craig
There is a copy of the Operation and Maintenance Instructions (OMI) for your D6 9U in our ACMOC library. The OMI has many useful facts that will save you time & money.
Craig
Found 'em thank you !
Bryan
"i reject your reality and substitute my own" - adam savage. i suspect my final words maybe "well shit, that didnt work"
instead of perfection some times we just have to accept practicality