TROUBLESHOOTINGTESTING AND ADJUSTINGTROUBLESHOOTINGTM 5-3805-263-14&P-2Troubleshooting can be difficult. On the following pages there is a list ofpossible problems. To make a repair to a problem, make reference to the causeand correction.This list of problems, causes and corrections will only give an indication ofwhere a possible problem can be, and what repairs are needed. Normally, moreor other repair work is needed beyond the recommendations in the list. Re-member that a problem is not normally caused only by one part, but by therelation of one part with other parts. This list can not give all possible problemsand corrections. The serviceman must find the problem and its source, thenmake the necessary repairs.ItemProblemItemProblem1.2.3.4.5.6.7.8.9.10.11.12.13.14.15.Engine Will Not Turn When Start Switch isOn.Engine Will Not Start.Misfiring or Running Rough.Stall at Low rpm.Sudden Changes In Engine rpm.Not Enough Power.Too Much Vibration.Loud Combustion Noise.LoudNoise (Clicking) From ValveCompartment.Oil In Cooling System.Mechanical Noise (Knock) In Engine.Fuel Consumption Too High.Loud Noise From Valves or Valve OperatingComponents.Little Movement of Rocker Arm and TooMuch Valve Clearance.Valve Rotocoil or Spring Lock is Free.16.17.18.19.20.21.22.23.24.25.26.27.Oil at the Exhaust.Little or No Valve Clearance.Engine Has Early Wear.Coolant In Lubrication Oil.Too Much Black or Gray Smoke.Too Much White or Blue Smoke.Engine Has Low Oil Pressure.Engine Uses Too Much Lubrication Oil.Engine Coolant Is Too Hot.Starter Motor Does Not Turn.Alternator Gives No Charge.Alternator Charge Rate Is Low or NotRegular.28.Alternator Charge Too High.29.Alternator Has Noise.30.Exhaust Temperature Too High.1-25
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