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

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Section 01 ENGINES (1503 4-TEC)Subsection 04 (LUBRICATION SYSTEM)BACR1503motr136A 1 2TYPICAL1. Oil pump shaft ass'y2. Outer rotorInspectionInspect oil pump shaft assembly, housing and coverfor marks or other damages.Check inner rotor for corrosion, pin-holes or otherdamages. If so, replace oil pump shaft assembly.Ensure to also check oil pump housing and coverand replace if damaged.1R1503motr138A 2 11. Outer rotor2. Inner rotorOUTER AND INNER ROTOR CLEARANCEABCSERVICE LIMIT0.25 mm (.009 in)If clearance between inner and outer rotors exceedsthe tolerance, replace oil pump shaft assembly.Ensure to also check oil pump housingand cover and replace if damaged.If clearance between outer rotor and its bore inoil pump exceeds the tolerance, replace the completeoil pump and the PTO housing.Using a vernier depth gage, measure side wear asshown.R1503motr137A1. Pittings on the teethUsing a feeler gauge, measure the clearance betweeninner and outer rotors.R1503motr139A 121. Oil pump housing surface2. Vernier depth gage56 SMR2005-035
Section 01 ENGINES (1503 4-TEC)Subsection 04 (LUBRICATION SYSTEM)Torque oil pump cover screws to 10 N•m(89 lbf•in)Tighten suction pump housing screws as perfollowing sequence and torque to 10 N•m(89 lbf•in). Apply Loctite 243 (P/N 293 800060) on threads.81R1503motr140A 121. Oil pump outer rotor surface2. Vernier depth gageDifference between pump housing and outer rotorshould not exceed 0.1 mm (.004 in). If so, replacethe complete oil pump assembly.NOTE: When the axial clearance of the oil pumpshaft assembly increases, the oil pressure decreases.Check the inside of oil pump housing and its coverfor scoring or other damages and replace if damaged.InstallationFor installation, reverse the removal procedure.Pay attention to the following details.76R1503motr145AOIL SEPARATOR COVER25Removal– Remove from valve cover the ventilation hoseno. 7.1341R1503motr133ATYPICAL — NATURALLY ASPIRATED ENGINE1. Ventilation hoseR1503motr134A 221. Screws M6 x 852. Screws M6 x 25SMR2005-035 57
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2005Engine Shop ManualROTAX ® 1503
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TABLE OF CONTENTSSAFETY NOTICE.....
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SAFETY NOTICESAFETY NOTICEThis manu
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INTRODUCTIONARRANGEMENT OF THISMANU
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INTRODUCTIONTYPICAL PAGESub-title w
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Section 01 ENGINES (1503 4-TEC)Subs
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