Intake and Exhaust Valves/Intake and Exhaust Valves IMPORTANT: Never reuse intake valve seal. The seal must be replaced each time the valve is removed. 19. Remove intake valve seal if equipped. M36269 -UN-29JAN90 M98,2015K,15 -19-08OCT85 20. Remove tappets. Inspect tappets for wear or damage. M36270 -UN-29JAN90 CTM2 (19APR90) 15-8 16, 18, 20 & 24HP Onan Engines M98,2015K,16 -19-08OCT85 AllTractorManuals.com 130495 17. Remove rotators (A) and springs (B) using a screwdriver. Rotator must turn freely. 18. Check spring using a spring compression tester. B43E, B43G, B48G AND T260 -UN-29JAN90 SPRING SPECIFICATIONS Free length (approximate) . . . . . . . . . . . . . . . .
42.21 mm (1.662 in.) Test length at 169—187 N . . . . . . . . . . . . . . . . . . . . . . . 34.92 mm M36268 (38—42 lb force . . . . . . . . . . . . . . . . . . . 1.375 in.) P218G AND P220G SPRING SPECIFICATIONS Free Length (approximate) . . . . . . . . . . . . . . . . 40.64 mm (1.60 in.) Test length at 245N . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26.67 mm (55 lb force . . . . . . . . . . . . . . . . . . . . . . . 1.05 in.) M98,2015K,14 -19-10FEB87 15 8