GEAR-RING 2107302 - Caterpillar

Introduction
For Specifications with illustrations, make reference to Specifications For 3516 Generator Set Engines, SENR5132. If the Specifications in SENR5132 are not the same as in the Systems Operation, Testing And Adjusting, look at the printing date on the back cover of each book. Use the Specifications given in the book with the latest date.Troubleshooting
Troubleshooting can be difficult. On the following pages there is a list of possible problems. To make a repair to a problem, make reference to the cause and correction.This list of problems, causes and corrections, will only give an indication of where a possible problem can be, and what repairs are needed. Normally, more or other repair work is needed beyond the recommendation in the list.Remember that a problem is not normally caused only by one part, but by the relation of one part with other parts. This list can not give all possible problems and corrections. The service personnel must find the problem and its source, then make the necessary repairs.Troubleshooting Problem List
1. Engine Crankshaft Will Not Turn When Start Switch Is On.2. Engine Will Not Start. Governor Terminal Shaft Does Not Move.3. Engine Will Not Start. Governor Terminal Shaft Moves.4. Engine Overspeeds On Start.5. Engine Speed Does Not Have Stability.6. Engine Misfiring Or Running Rough.7. Engine Stall At Low RPM.8. Not Enough Power.9. Too Much Vibration.10. Loud Combustion Noise.11. Valve Train Noise (Clicking).12. Oil In Cooling System.13. Fuel In Cooling System.14. Mechanical Noise (Knock) In Engine.15. Fuel Consumption Too High.16. Loud Valve Train Noise.17. Too Much Valve Lash.18. Valve Rotocoil Or Spring Lock Is Free.19. Oil At The Exhaust.20. Little Or No Valve Lash.21. Engine Has Early Wear.22. Coolant In Lubrication Oil.23. Too Much Black Or Gray Smoke.24. Too Much White Or Blue Smoke.25. Engine Has Low Oil Pressure.26. Engine Uses Too Much Lubrication Oil.27. Engine Coolant Is Too Hot.28. Alternator Gives No Charge.29. Alternator Charge Rate Is Low Or Not Regular.30. Alternator Charge Too High.31. Alternator Has Noise.32. Exhaust Temperature Too High.33. Air Starter Motor Does Not Turn.34. Air Starter Motor Turns Slowly Or Has A Loss Of Power.35. Air Starter Motor Pinion Does Not Engage With The Flywheel.36. Air Starter Motor Runs, Pinion Engages But Does Not Turn The Flywheel.37. Air Starter Motor Pinion Does Not Engage Correctly With The Flywheel.38. Electric Starter Motor Does Not Turn.Troubleshooting Problems
Problem 1: Engine Crankshaft Will Not Turn When Start Switch Is On Probable Cause:1. Problem With Air Starter Motor Make reference to Problem 33.2. Problem With Electric Starter Motor Make reference to Problem 38.3. Problem With Engine Protective System Make reference to Electric Protective System, SENR2984 or SENR2985, or make reference to Hydra Mechanical Protective System, SENR3078.4. Inside Problem Prevents Engine Crankshaft From Turning If the crankshaft can not be turned after disconnecting the driven equipment, remove the fuel injectors and check for fluid in the cylinders while turning the crankshaft. If fluid in the cylinders is not the problem, the engine must be disassembled to check for other inside problems. Some of these