Connecting Rods and Pistons/Specifications CTM2 (19APR90) 30-2 16, 18, 20 & 24HP Onan Engines AllTractorManuals.com 130495 SPECIFICATIONS Connecting Rods Item New Specification Wear Tolerance 1. Side Clearance 0.05—0.41 mm 0.8 mm (0.002—0.016 in.) (0.03 in.) 2. Connecting Rod Cap Nut Torque: B43E, B43G, B48G, 18 ± 1 N·m P218G, P220G Engine (159 ± 9 lb-in.) 3. Connecting Rod Cap Nut Torque: T260 20 ± 1 N·m (177 ± 9 lb-in.) 4. Piston Pin Clearance: B43E, B43G, B48G Engine 0.005—0.010 mm (0.0002—0.004 in.) T260 Engine 0.003—0.013 mm (0.001—0.005 in.) P218G and P220G Engine 0.001—0.0162 mm (0.00004—0.00064 in.) 5. Piston O.D.:
B43E, B43G, B48G, 82.42—82.44 mm 82.32 mm P218G, P220G Engine (3.245—3.246 in.) (3.241 in.) T260 Engine 90.42—90.45 mm 90.32 mm (3.560—3.561 in.) (3.556 in.) 6. Cylinder Bore I.D.: B43E, B43G, B48G, 82.53—82.55 mm 82.68 mm P218G, P220G Engine (3.249—3.250 in.) (3.255 in.) T260 Engine 90.488—90.512 mm 90.632 mm (3.5625—3.5635 in.) (3.5682 in.) 7. Piston-To-Bore Clearance: B43E, B43G, B48G, 0.076—0.127 mm 0.28 mm P218G, P220G Engine (0.003—0.005 in.) (0.011 in.) T260 Engine 0.178—0.229 mm 0.38 mm (0.007—0.009 in.) (0.015 in.) 8. Cylinder Bore Taper: B43E, B43G, B48G, P218G, P220G Engine 0.13 mm (0.005 in.) T260 Engine 0.08 mm (0.003 in.) 9.
Cylinder Bore Out-of-Round 0.08 mm (0.003 in.) M98,2030K,3 -19-11NOV85 30 2