Camshaft/Camshaft 25 12. Measure camshaft end play. CAMSHAFT END PLAY SPECIFICATION Engine New Parts Wear Tolerance M36303 -UN-29JAN90 B43E, B43G, B48G 0.08—0.3 mm 0.4 mm and T260 (0.003—0.012 in.) (0.018 in.) P218G and P220G 0.280—1.22 mm 1.65 mm (0.0110—0.0480 in.) (0.065 in.) If end play exceeds wear tolerance, replace camshaft thrust washer. CTM2 (19APR90) 25-5 16, 18, 20 & 24HP Onan Engines M98,2025K,9 -19-02FEB87 AllTractorManuals.com 130495 IMPORTANT: Do not hit gear cover with a metal hammer or remove cover with a screwdriver. Doing so may damage gear cover. 9. Remove four cap screws and nut to remove clip (A), -UN-29JAN90 gear cover, and gasket (B).
For P218G or P220G engine, disconnect wire leads from ignition coil. Remove crankshaft key and magnetic ring. M36301 10. If gear cover is tight, hit cover lightly with a soft-faced hammer to loosen it. M98,2025K,7 -19-10FEB87 11. Remove oil seal using a 2 in. driver disk. -UN-29JAN90 M36302 M98,2025K,8 -19-09OCT85 5