TM 5-3805-262-342-5. FUEL SYSTEM TROUBLESHOOTING (CONT)MALFUNCTIONTEST OR INSPECTIONCORRECTIVE ACTION1. FUEL INJECTION PUMP NOT OPERATING PROPERLY (Cont).Step 4. (Cont).Remove nut, lock washer, and coup-ling half from camshaft. If neces-sary, use coupling puller to removecoupling half.Install pilot ring, timing couplingand drive coupling on fuel injectionpump camshaft.Aline fuel injection pump drivecoupling with test bench drive coup-ling and tighten test bench jaws.Remove fuel feed pump (page 3-130).Using oiler, put engine lubricatingoil in fuel feed pump port until oillevel is just below port to preventscoring roller tappets and camshaftlobes.Connect test lines between fuel in-jection pump and test bench nozzleholders and open bleed screws.Connect test bench fuel feinjection pump. Port is 1/ed4-hose to port at governor end of fuel28.2-50
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