REPLACEMENT OF CYLINDER BLOCK END PLATE

CYLINDER HEAD AND BLOCK (CONT) - TM-5-4320-300-14_427

TM-5-4320-300-14 Pump Centrifugal Self-Priming Gasoline Engine Driven; 6-Inch 1500 GPM Capacity At 60 Foot Head Manual
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TM 5-4320-300-14 6-7. CYLINDER HEAD AND BLOCK (CONT) Location/Item Action Remarks CAUTION Equipment damage could occur if bearing caps are not returned to their original positions. Follow directions noted during disassembly. 61. Bearing bore Install main bearing caps. Torque front and diameter intermediate main bearing cap bolts to 120 to 130 ft lb (163 to 176 N•m), in an alternating pattern as shown. Torque rear main bearing cap bolts to 40 to 50 ft lb (54 to 68 N•m). Check main bearing bores for proper diameter. The specified bore diameter is 3.251 to 3.252 inches (82.575 to 82.60 mm). If the bores do not fall within these limits, the cylinder block must be replaced. 62. Bearing bore Check bearing bore alinement by installing new alinement bearing shells, installing the crankshaft and bear- ing caps, tightening the cap bolts to the specified torque, and rotating the crankshaft by hand in accordance with paragraph 6-11. REPLACEMENT OF CYLINDER BLOCK END PLATE 63. Cylinder block Replace end plate if seriously nicked, dented, end plate scratched, or scored. Replace end plate plug nuts having cracks or damaged threads. Re- place end plate if seriously warped. 6-44

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