1993 Johnson Evinrude "ET" 9.9 thru 30 Service Manual, P/N 508282, Page 225Get this manual
Water Pump Servicing9.915 Disassembly 1Remove gearcase from exhaust housing as described in Gearcase Servicing, this Section
[i] 2Remove the four impeller housing screwsf213Remove the impeller housing and impeller by sliding them up and off the driveshaftThen remove the impeller drive pin and impeller plate 4Remove and discard the water tube grommet, O-ring, and seal in the impeller housing5Inspect the impeller, housing, and plate for excessive wear6Clean the impeller plate and gearcaseAssembly fJ11Apply OMC Gasket Sealing Compound to the metal casing of new driveshaft seal Install the seal in the impeller housing with lip of seal facing into the housingf412Apply OMC Adhesive to the impeller housing O-ring and install it on the housing1sl3Apply Adhesive to outside surface of the water tube grommetInstall the grommet in the impeller housing with bosses of grommet seated in housingCoat the inside surface of grommet with OMC Triple-Guard grease163 156-6