PIPE AS-EXHAUST 7C7004 - Caterpillar

Introduction
For Specifications with illustrations, make reference to ENGINE SPECIFICATIONS FOR G342 ENGINE, Form No. REG01526. If the Specifications in Form No. REG01526 are not the same as in the Systems Operation and the 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. The TROUBLESHOOTING INDEX gives a list of possible problems. To make a repair to a problem, make reference to the cause and corrections on the pages that follow.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 recommendations 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 is only a guide and can not give all possible problems and corrections. The serviceman must find the problem and its source, then make the necessary repairs.Troubleshooting Index
1. Engine Crankshaft Will Not Turn When Start Switch is On.2. Engine Will Not Start.3. Misfiring or Running Rough.4. Stall at Low rpm.5. Sudden Changes In Engine Speed.6. Not Enough Power.7. Too Much Vibration.8. Loud Combustion Noise (Knock).9. Loud Noise (Clicking) From Valve Compartment.10. Oil In Cooling System.11. Mechanical Noise (Knock) In Engine.12. Gas Comsumption Too High.13. Loud Noise From Valves or Valve Drive Components.14. Little Movement of Rocker Arm and Too Much Valve Clearance.15. Valve Rotocoil or Spring Lock is Free.16. Oil at the Exhaust.17. Little or No Valve Clearance.18. Engine Has Early Wear.19. Coolant in Lubrication Oil.20. Exhaust Temperature is Too High.21. Too Much White or Blue Smoke.22. Engine Has Low Oil Pressure.23. Engine Uses Too Much Lubrication Oil.24. Engine Coolant Is Too Hot.25. Starter Motor Does Not Turn.26. Alternator Gives No Charge.27. Alternator Charge Rate Is Low or Not Regular.28. Alternator Charge Too High.29. Alternator Has Noise.30. Solenoid Does Not Stop Engine.31. Short Spark Plug Life.32. Preignition.33. Detonation.34. Gas Supply Line Shutoff Valve Failure.35. Instrument Panel Gauge Switches Do Not Stop Engine.36. Instrument Panel Gauge Switches Prevent Engine Start.37. Failure of Overspeed Contactor Switch to Shutoff Engine.38. Overspeed Contactor Stops Engine at Low Speed.39. Air Starting Motor Turns Slowly.40. Troubleshooting Solid State Magneto. (Fairbanks Morse) 40A. Missing on One or More Cylinders.40B. Engine Dead and Has No Spark.41. Troubleshooting Solid State Magneto. (Altronic) 41A. Missing on One or More Cylinders.41B. Engine Dead and Has No Spark.Engine Crankshaft Will Not Turn When Start Switch Is On. Engine Will Not Start Misfiring Or Running Rough Stall At Low RPM Sudden Changes In Engine Speed Not Enough Power Too Much Vibration Loud Combustion Noise (Knock) Loud Noise (Clicking) From Valve Compartment Oil In Cooling System Mechanical Noise (Knock) In Engine Gas Consumption Too High Loud Noise From Valves Or Valve Drive Components Little Movement Of Rocker Arm And Too Much Valve Clearance Valve Rotocoil Or Spring Lock Is Free Oil