Table 14-1. Fuel Injection Pump Troubleshooting Chart (Cont)MALFUNCTIONPROBABLE CAUSECORRECTIVE ACTIONDURING OPERATION (Cont)4.Engine starts andb.Transfer pump bladesb.Replace. (para 14-45)stops. (Cont)worn or broken.c.Plungers sticking.c.Disassemble and inspect for burrs, corrosionor varnishes.(para 14-45)d.Metering valve stickingd.Check for governor linkage binding, foreignor closed.matter, burrs, etc. (para 14-45)e.Cam, roller, or shoese.Remove, check for size and burrs andsticking.reassemble.(para 14-45)5.Erratic enginea.Transfer pump bladesa.Replace. (para 14-45)operation- surge,worn or broken.misfiring, poorgovernor regula-b.Delivery valve retainerb. Inspect delivery valve stop seat for erosion,tion.screw loose andtighten retainer screw, or replace head andleaking or incorrectlyrotor assembly as needed. (para 14-45)installed.c.Plungers sticking.c.Disassemble and inspect for burrs, corrosionor varnishes. (para 14-45)d.Metering valve stickingd.Check for governor linkage binding, foreignor closed.matter, burrs, etc. (para 14-45)e.Governor spring worne.Remove and replace. (para 14-45)or broken.f.Cam, roller, or shoesf.Remove, check for size and burrs andsticking.reassemble.(para 14-45)g.Pump timed incorrectlyg. Correct timing. (para 14-49)to engine.h.Transfer pump faulty,h.Remove and inspect parts. (para 14-45)pressure too low.i.Automatic advancei.Remove, inspect, correct and reassemble.faulty or not operating.(para 14-45)j.Governor linkage out ofj.Adjust governor. (para 14-45)adjustment.k.Governor not operating;k.Disassemble, inspect parts, replace ifparts or linkage worn,necessary and repair. (para 14-45)sticking or binding.1.Wrong governor spring.1.Remove and replace with proper spring.(para 14-45)m.Pump housing not full ofm.Operate engine for approximately 5 minutesfuel.until pump fills with fuel.n.Governor sleeve bindingn.Remove, inspect for burrs, dirt, etc.on drive shaft.Correct and reassemble. (para 14-45)14-34
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