2000 Polaris Pro 785 Service Manual, Page 342Get this manual
MAINTENANCETUNE UP HullDeck Sacrificial Anode
A zinc sacrificial anode is in place on the pump housingThe purpose of this anode is to prevent corrosion of metal parts due to electrolysisThe mounting surface must be clean and the mounting bolt tight to maintain good connection between the pump and anode1Periodically inspect anode for excessive wear2Check bolt to be sure it is tightIf the bolt is loose, remove anode and clean mounting surfaces on pump and anode3Apply dielectric grease to bolt threads and contact surfaces