Crankshaft, Main Bearings and Flywheel/Pulley (with front PTO) CTM3274 (01JUL99) 15-9 Saran Liter Engines 060799 PN=106 VIBRATION DAMPER OR PULLEY CHECKING (ENGINE WITH FRONT PTO) NOTE: When cleaning torsion damper, never soak in a cleaning solvent. Use a steam cleaner, soap -UN-07MAR95 solution or water only. 1. Prior to disassembly, check the following specifications: CD7260 SPECIFICATIONS Vibration damper only — Max. total run-out (A) . . . . . . . . . . . . . . . 1.50 mm (0.06 in.) — Max. wobble (B) . . . . . . . . . . . . . . . . . . 1.50 mm (0.06 in.) Vibration damper or pulley — Max. wobble (C) . . . . . . . . . . . . . . . . . . . 0.5 mm (0.02 in.) -UN-07MAR95 2.
Replace torsion damper if total run-out (A) or wobble (B) exceeds specifications, or if outer ring has slipped relative to rubber member or drive hub. CD7261 3. Grasp torsion damper and attempt to turn in both directions (clockwise and counter-clockwise). If rotation is felt, replace damper. 4. If wobble (C) exceeds specifications, it indicates improper mating of tapered surfaces due to uneven tightening of collet cap screws or damage to one or both the tapered surfaces. -UN-07MAR95 IMPORTANT: Replace torsion damper after 4500 hours or every five years, whichever occurs fist. CD7262 CD,3274,G15,4 -19-01MAR92 15 9