1985 OMC 65, 100 and 155 HP Models Commercial Service Manual, PN 507450-D, Page 242Get this manual
Installation of Powerhead155 1Remove the nuts from the powerhead adaptor studs
2I nstall new O-ring on the driveshaftCoat the driveshaft splines with OMC Moly LubeDo not coat the top surface of the driveshaftLubricant here may prevent seating of the driveshaft in the crankshaft3Attach the body from OMC Special Tool PIN 378103 (Uni"" versal Puller Kit) to the flywheel using three screws (PIN 309492) and three washers (PIN 307640)Flat side of the body must face upThread OMC Special Tool PIN 321537 (Lifting Eye) into the body until taper of tool engages taper in center of the crankshaftTighten the lifting eyeUsing an adequate hoist, lift the powerhead