engine, rotax 1503 4-tec - Sea-Doo.net

Section 01 ENGINES (1503 4-TEC)Subsection 04 (LUBRICATION SYSTEM)1 WARNINGThe spring on the TOPS valve is tensionedand can shoot away the valve disc. Hold thevalve disc with fingers while removing thewasher.1R1503motr374ATYPICAL — SUPERCHARGED ENGINES1. Ventilation hose2– Disconnect wiring harness from TOPS valveno. 8.– Remove retaining screws holding oil separatorcover.– Remove oil separator cover.R1503motr181A1. Solenoid valve2. Spring3. Valve disc4. Retaining washer34InspectionIf O-rings and rubber rings are brittle, cracked orhard, replace them.Clean all contact surfaces of oil separator cover.InstallationFor installation, reverse the removal procedure.Pay attention to the following details.Apply grease on O-rings and rubber rings.Torque screws to 10 N•m (89lbf•in). Apply Loctite243 (P/N 293 800 060) on threads.InstallationInstall the new valve with new gasket. Apply Loctite243 (blue) on threads and torque to 10 N•m(89 lbf•in).Reinstall remaining removed parts.OIL COOLERThe oil cooler is located below the air intake manifold.TOPS VALVERemovalRemove the oil separator cover as describedabove.Unscrew and remove the TOPS valve.Remove the valve disc and the spring on the bottomof the TOPS valve after removing the retainingwasher.58 SMR2005-035