OIL IN COOLING SYSTEM

LITTLE MOVEMENT OF ROCKER ARM AND TOO MUCH VALVE CLEARANCE

TM-5-3805-263-14P-2 Grader Heavy Road Motorized Type I Nonsectionalized Type II Sectionalized Manual
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TROUBLESHOOTING TM 5-3805-263-14&P-2 TESTING AND ADJUSTING Cause Defect In Core of Oil Cooler Defect in Head Gasket 10. OIL IN COOLING SYSTEM Connection Install a new core in the oil cooler. Install a new head gasket. 11. MECHANICAL NOISE (KNOCK) IN ENGINE Cause Failure of Bearing For Connecting Rod Damage to Timing Gears Damage to Crankshaft Connection Inspect the bearing for the connecting rod and the bearing surface on the crankshaft. Install new parts when necessary. Install new parts where necessary. Make replacement of the crankshaft. 12. FUEL CONSUMPTION TOO HIGH Cause Fuel System Leaks Fuel and Combustion Noise (Knock) Correction Large changes in fuel consumption may be the result. Inspect the fuel system for leaks and make repairs as necessary. Small increases in fuel consumption may be the result of fuel nozzles with defects, rough running, or factors causing loss of power. See Item 3 and Item 6. Wrong Fuel Injection Timing Make an adjustment to fuel injection timing. 13. LOUD NOISE FROM VALVES OR VALVE DRIVE COMPONENTS Cause Correction Damage to Valve Spring(s) Damage to Camshaft Damage to Valve Lifter Make replacement of parts with damage. Make replacement of parts with damage. Clean engine thoroughly. Clean engine thoroughly. Make a replacement of the camshaft and valve lifters. Look for valves that do not move freely. Make an adjustment to valve clearance, See the Subject VALVE CLEAR- ANCE in Testing and Adjusting. Damage to Valve(s) Make a replacement of the valve(s) and make an adjustment as necessary. 1-30

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