1998 Johnson Evinrude "EC" 25, 35 HP 3-Cylinder Outboards Service Manual, Page 199Get this manual
rn 32in the gearcasepunch and mallet, seat the bearing Using brass housing [l]
33Place new O-rings on the bearing housing retaining screwsApply avJC Gasket Sealing Compound to the O-rings and threads of the screws34Install one screw in the bearing housingRemove the guide
pin and install the second screwTighten the screws to torque of 60-84 inIbs(7-9 Nm)
rn 35Coat the lower driveshaft splines with OVIC Ultra-HPF gearcase lubricantInstall the driveshaft into the gearcase with
the water pump key end downBe careful not to damage the seals with the splinesTurn the driveshaft to engage the pinion
36Pressure and vacuum test the gearcase as follows:
INote Pressure and vacuum test gearcase before filling Remove the oil level plug and install pressure test gauge Hold down firmly on the driveshaft and pump pressure up to 3-6 PSI (21-41 kPa)If pressure gauge indicates leakage, submerge the gearcase in water to determine source of leakage as evidenced by bubblesIf the gearcase pressure does not indicate leakage, increase pressure to 16-18 PSI (110-124 kPa).lf pressure does not hold, submerge the gearcase in water and check for source of leakageMake necessary repairs and repeat the test Install vacuum testPump out 3-5 inches (76-127 mm) Hg and see if vacuum holdsThen pump out 15 inches (381 mm) Hg and checkIf the gearcase fails to hold on either test, put lubrication around suspected sealIf the leak stops or lubricant is drawn in, that seal is defectiveWhen the gearcase checks out properly, fill the gearcase with avJC Ultra-HPF gearcase lubricant