ENGINE SHOP REBUILD & SERVICE PARTS MANUAL - Jacobsen

TABLE OF CONTENTS
Section
Page No.
ENGINE MEASUREMENTS AND SPECIFICATIONS C
ENGINE MEASUREMENTS AND SPECIFICATIONS
• Check Flatness of Crankcase, End Cover and Cylinder Head .......... .........................................C-1
• Crankcase Cylinder Bores ................... ............................................. .........................................C-2
• Crankcase and End Cover Crankshaft Bearing Bores ...................... .........................................C-2
• Crankshaft Journals and Gear............. ............................................. .........................................C-2
• Crankcase and End Cover Balancer Shaft Bearing Bores ................ .........................................C-2
• Balancer Shaft Journals and Gear....... ............................................. .........................................C-2
• Piston................................................... ............................................. .........................................C-2
• Wrist Pin .............................................. ............................................. .........................................C-3
• Connecting Rod................................... ............................................. .........................................C-3
• Cylinder Head Cam and Rocker Shaft Bores .................................... .........................................C-3
• Valves Guides and Seats..................... ............................................. .........................................C-3
• Valves and Valve Springs .................... ............................................. .........................................C-3
• Camshaft ............................................. ............................................. .........................................C-3
• Rocker Shaft and Rocker Arms ........... ............................................. .........................................C-3
• Piston Ring Gap................................... ............................................. .........................................C-3
• Torque Specifications........................... ............................................. .........................................C-3
ENGINE REASSEMBLY
D
CRANKCASE ASSEMBLY
• Honing the Cylinder Bores................... ............................................. .........................................D-1
• Pistons and Connecting Rods ............. ............................................. .........................................D-1
• Piston Rings......................................... ............................................. .........................................D-2
• Crankcase End Cover.......................... ............................................. .........................................D-2
• Crankcase Bearings ............................ ............................................. .........................................D-2
• Crankshaft Bearing .............................. ............................................. .........................................D-3
• Crankshaft and Balancer Shaft Seals.. ............................................. .........................................D-3
• Crankshaft ........................................... ............................................. .........................................D-3
• Pistons ................................................. ............................................. .........................................D-3
• Balancer Shaft ..................................... ............................................. .........................................D-3
• Checking Crankshaft and Balancer Shaft Endplay............................ .........................................D-4
• End-Play Spacers ................................ ............................................. .........................................D-4
• Oil Feed O-Ring................................... ............................................. .........................................D-4
• Crankcase End Cover Gasket ............. ............................................. .........................................D-4
• Crankcase End Cover.......................... ............................................. .........................................D-4
• Oil Pump Gear Rotors ......................... ............................................. .........................................D-5
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Engine Shop Rebuild and Parts Manual