11-1
GROUP 11 ENGINE
SPECIFICATIONS .............................................................................. 11-2
STRUCTURE AND OPERATION
1. Engine Proper .................................................................................... 11-3
2. Rocker and Shaft, Camshaft, Rocker Case and
Cyl
inder Head Gasket .......................................................................
11-4
3. Valve Mechanism ............................................................................... 11-4
4. Connecting Rod ................................................................................. 11-5
5. Piston .................................................................................................. 11-5
6. Timing Gears ...................................................................................... 11-6
7. Flywheel ............................................................................................. 11-6
8. Flywheel PTO ..................................................................................... 11-7
9. Powertard Brake System .................................................................. 11-8
TROUBLESHOOTING ..................................................................... 11-12
ON-VEHICLE INSPECTION AND ADJUSTMENT
1. Measuring Compression Pressure ................................................ 11-14
2. Inspection and Adjustment of Valve Clearances .......................... 11-16
3. Inspection and Adjustment of Powertard Clearances ................. 11-20
ENGINE REMOVAL AND INSTALLATION ...................................... 11-22
ROCKER COVER, ROCKER AND SHAFT ..................................... 11-26
CAMSHAFT AND ROCKER CASE ................................................. 11-30
CYLINDER HEAD AND VALVE MECHANISM ................................ 11-38
PISTON, CONNECTING ROD AND CYLINDER LINER ................. 11-54
FLYWHEEL PTO <WITH FLYWHEEL PTO> ................................... 11-68
FLYWHEEL ...................................................................................... 11-72
TIMING GEARS
<WITHOUT FLYWHEEL PTO>...................................................... 11-78
<WITH FLYWHEEL PTO> ............................................................ 11-82
CRANKSHAFT AND CRANKCASE ................................................. 11-88