Camshaft/Camshaft 14. Remove snap ring to remove thrust washer. M36305 -UN-29JAN90 M98,2025K,11 -19-09OCT85 IMPORTANT: Do not allow camshaft lobes to hit bearing surfaces while removing camshaft. Machined surfaces may be damaged. 15. Carefully remove camshaft until rear lobe is even with camshaft bearing. Turn camshaft until lobe (A) fits into camshaft bearing notch (B). Remove camshaft. M36307 -UN-29JAN90 CTM2 (19APR90) 25-6 16, 18, 20 & 24HP Onan Engines M98,2025K,12 -19-09OCT85 AllTractorManuals.com 130495 13. Measure camshaft gear backlash.
CAMSHAFT GEAR SPECIFICATIONS Item New Part Wear Tolerance -UN-29JAN90 B43E, B43G, B48G Engine Camshaft Gear 0.03—0.15 mm 0.23 mm Backlash (0.001—0.006 in.) (0.009 in.) M36304 T260 Engine Camshaft Gear 0.05—0.08 mm 0.15 mm Backlash (0.002—0.003 in.) (0.006 in.) P218G, P220G Engine Camshaft Gear 0.025—0.127 mm 0.20 mm Backlash (0.001—0.005 in.) (0.008 in.) If backlash exceeds wear tolerance, replace camshaft gear and crankshaft gear. M98,2025K,10 -19-10FEB87 25 6