2.21. Diagnosis and Remedy The following description summarizes the probable cause of and remedy for general failure by item. Immediate countermeasures should be taken before a failure is inflamed if any symptom is detected. 1.
Engine Starting Impossible Starting motor revolution Engine Fuel Inspect air cleaner Inspect amount of fuel Retighten Replace Inspect injection timing Inspection of starting switch Repair Replace Adjust Replace Adjust Repair Replace Replace Repair Replace Starting motor disassembly Engine disassembly (valve assembly piston cylinder liner etc.) Injection pump disassembly Inspect supply pump operation Injection pump dasassembly Clean Replace Air removal Replace Supply pump disassembly - 37 - TECHNICAL INFORMATION Start ing motor operation poor Inspe Iiquid ction of batter amount & gra y electorlytic vity Nor mal Too low Adjustment Recharging mal Poll Replace clean ele Check compress pressure ion Too mal Rep Rep ect of r parts Rep Rep air lace Insp othe Check clearan valve ce Nor mal Poll uted Nor mal N one Replace clean ele or ment Repl enish Insp wrin ection of loose electric g & short Inspe injecti ct fuel on No in jection Nor mal Nor mal Too low Contin operati air rem uous on after oval Nor mal Nor mal Insp ection of star ting relay Nor mal Nor mal Inspect i nozzle (i pressure state etc njection njection , injection .) Nor mal Inspe ction of magentic switch Che head ck cylinder gasket Nor mal Nor mal Nor mal Nor mal Inspect supply p ump valve strainer Air mixtu re in fuel Nor mal Retighten parts.
Rep connection lace gasket Inspect fuel filter Element Overflow polluted valve poor Continuou s air mixing