1994 Johnson/Evinrude "ER" 9.9 thru 30 outboards Service Manual, Page 234Get this manual
Water Pump Servicing20, 25, 30 Disassembly
1Remove gearcase assembly as described in Gearcase Servicing, this Section
[!] 2Remove the six impeller housing screws and washers3Pull up on the driveshaft and remove the driveshaft with the water pump assembly from the gearcaseRemove the water pump assembly from the driveshaft4Remove the impeller plate and gasketDiscard the gasket5Scrape all gasket material from the plate and gearcase6Remove the water tube grommet and a-rings from the impeller housing7Inspect all components for excessive wearAssembly
fil1Oi! and install the shift rod bushing housing
into the impeller
2Apply OMC Triple-Guard grease to the two impeller housing -ringsInstall the small, thick shift rod a-ring Place the large a-ring into the impeller housing21062