TM 5-4310-452-141-13. ENGINE (Con't).(4)Exhaust Stroke. As the piston moves upward on the fourth stroke, it forces the burned and expandedgases from the cylinder through the open exhaust valve, which closes just before the piston reaches top dead center.The air inlet valve opens and the cycles are repeated (i. e., there are two down and two up strokes in the cycle).c.The following illustration shows the location of the major engine components.1. Rocker Chamber Cover11. Oil Drain Plug2. Injection Line12. Overflow Line3. Intake Manifold13. Metering Fuel Pump4. Cooling Blower14. Oil Pan5. Cooling Blower V-belt15. Oil Dipstick6. Alternator16. Injection Pump7. Alternator V-belt17. Crankcase8. Antifatigue Bolt (securing V-belt pulley to crankshaft)18. Oil Filter Element9. V-belt Pulley19. Fuel Filter Element10. Oil Filler Neck20. Removable Air Duct1-14. FUEL SYSTEM.a.The engine has a direct injection fuel system, which means that fuel is injected directly into the combustionchamber.b.The following schematic shows the fuel flow through the system.TA5053891-13
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