1994 Johnson/Evinrude Outboards 40 thru 55 Service Manual, Page 219Get this manual
Driveshaft Bearing Housing Service The driveshaft bearing is not serviceableReplace the bearing housing if the bearing is worn or damagedAlso, inspect the driveshaft bearing surface if the bearing is damaged
3711Using punch and mallet, drive the two seals out of the housingDiscard the seals2Remove the a-ring from the bearing housing and discard3Clean the bearing housing in solvent to remove sealer from the seal bore and the a-ring grooveDR2062
138113914Install new seals back to back in the housing using OMC Seal Installer PIN 335823Apply OMC Gasket Sealing Compound to the metal casings of the seals before installingInstall the inner seal with flush lip facing toward the bearing housing, then the outer seal with extended lip facing away from the bearing housingApply OMC Triple-Guard grease to the seal lips after installing14015Lightly apply OMC Tripe-Guardgrease to new a-ring and install in its groove in the bearing housingDriveshaft Shimming Using Tool, PIN 393185 and Service Kit, PIN 433032 The driveshaft pinion is precisely meshed with the forward and reverse gears by using shim or shims between the driveshaft bearing housing and upper thrust washerWhen installing new thrust bearing or washers, bearing housing, pinion, or driveshaft, it is necessary to properly shim the assembly to restore factory clearanceGauge bars are precision made and should be handled carefullyThe length of each bar is stamped near the part numberThis dimension is 0.030 in(0,762 mm) shorter than the actual shimmed length of the driveshaftINotel Degrease pinion and driveshaft tapers prior to assembly