Golems can be healed by their owners, but not by the usual methods (bandages or magic). In order to heal a golem, you must be within 2 tiles of the golem, and have tinker tools and ingots in your backpack. Then, to heal, double-click on the tinker tools, choose the "Repair" option from the menu, and then target the golem you wish to heal. As you heal the golem, the ingots in your backpack will be used.
this was from the uo site
just make sure you have a 100 poison weapon with no hit area or hit spell or anything like that!
it did not say anthing on tinker level to heal so i dont think it matters to much I will continue to look though
hope this helps