ENGINE SHOP REBUILD & SERVICE PARTS MANUAL - Jacobsen

ENGINE MEASUREMENTS
TABLE OF CONTENTS FOR SECTION ‘C’
SECTION TITLE
C
PAGE NO.
ENGINE MEASUREMENTS AND SPECIFICATIONS.................................................................... C - 1
Using Telescoping Gauges and Hole Gauges ..................................................................... C - 1
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 - 2
Connecting Rod.................................................................................................................... C - 3
Cylinder Head Cam and Rocker Shaft Bores ....................................................................... C - 3
Valve 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 (Wet) ................................................................................................. C - 3
LIST OF ILLUSTRATIONS
Fig. C-1 Using Telescoping and Hole Gauges............................................................................... C - 1
Fig. C-2 Flatness of Mating Surfaces ............................................................................................. C - 2
Fig. C-3 Crankcase Cylinder Bores................................................................................................ C - 4
Fig. C-4 Crankshaft Journals and Gear, and Bearing Bores.......................................................... C - 5
Fig. C-5 Piston, Wrist Pin and Connecting Rod ............................................................................. C - 6
Fig. C-6 Balancer Shaft Journals, Gear and Bearing Bores........................................................... C - 7
Fig. C-7 Cylinder Head Cam and Camshaft................................................................................... C - 8
Fig. C-8 Valve Guides and Seats ................................................................................................... C - 9
Fig. C-9 Valve and Valve Springs ................................................................................................ C - 10
Fig. C-10 Rocker Shaft, Arms, and Bearing Bores....................................................................... C - 11
Fig. C-11 Piston Ring Gap ........................................................................................................... C - 12
Fig. C-12 Torque Specifications ................................................................................................... C - 13
Engine Shop Rebuild and Parts Manual
Page C-i