Connecting Rods and Pistons/Connecting Rod MEASURE CONNECTING ROD END PLAY 1. Remove engine. (See machine technical manual.) 2. Disconnect spark plug wire (A). 3. Remove six cap screws to remove lift bracket (B), oil fill tube bracket (C), and left side shroud (D). M36472 -UN-29JAN90 A—Spark Plug Wire B—Lift Bracket C—Oil Fill Tube Bracket D—Left Side Shroud M98,2030K,6 -19-09OCT85 CTM2 (19APR90) 30-4 16, 18, 20 & 24HP Onan Engines AllTractorManuals.com 130495 PISTON—CONTINUED Item New Specification Wear Tolerance 10. Bores Out-of-Round 0.05 mm (0.002 in.) Cylinder Head Item New Specification 1. Attaching Cap Screw Torque:
B43E Engine 23 ± 1 N·m (204 ± 12 lb-in.) B43G, B48G, P218G, P220G Engine 20 ± 1 N·m (180 ± 12 lb-in.) 2. Attaching Nut Torque (T260 Engine): Top Six Nuts (with compression washers) 16 ± 1 N·m (142 ± 12 lb-in.) Bottom Four Nuts 20 ± 1 N·m (180 ± 12 lb-in.) 3. Oil Base Cap Screw Torque 27 ± 3 N·m (239 ± 27 lb-in.) 4. Lift Bracket Cap Screw Torque 11 ± 3 N·m (97 ± 27 lb-in.) M98,2030K,5 -19-02FEB87 30 4