TM 10-3930-660-34 3-15. CONNECTING RODS AND BEARINGS - REPLACE This task covers: a. Removal b. Cleaning c. Inspection d. Installation Initial Setup Tools Materials/Parts Tool Kit,  Automotive Mechanics Bearing Set,  Piston Rod Capscrews (4) Tool Kit,  Machinists: Post,  Camp Detergent,  Laundry (App.  B,  Item 9) and Station Lubriplate 105 (App.  B,  Item 16) Oil,  Engine Lubricating (App.  B, Inside/Outside Micrometer Item 26) Shop Equipment,  Automotive Maintenance,  Common #2 Less Power Equipment Condition Cylinder head removed,  para.  3-7. Oil pan removed,  para.  3-20. Oil pump inlet tube removed, para.  3-21. REMOVAL CAUTION Maximum allowable cylinder bore diameter is 4.0203 inches.  Make sure that ridge reamer does not gouge into cylinder bore or remove more metal than necessary. 1. IF NECESSARY,  REMOVE RIDGE FROM TOP OF CYLINDERS USING RIDGE REAMER (1). 2. MARK EACH ROD BEARING CAP (2) AND MATCHED PISTON (3) WITH CYLINDER NUMBER.  USE A HAMMER AND STEEL NUMBER STAMPS. 3-99