TM 5-4310-393-14e.Torque cap screws (Figure 5-1, Items 5 and 9) to 51 6 lb -ft (70 Nm) and cap screws (13) to 22.13 Ib.-ft (30Nm).5-6 2. FUEL INJECTION PUMP.This task covers: A. Test B. Remove C. Install D. AdjustTools:Materials/Parts:Tool Kit, General Mechanic's SetDiesel Fuel NSN 9140-00-268-5294Shop Equipment, AutomotiveLubricating OilMaintenance and RepairShim SetTesting Device for InjectionEquipment Conditions:Equipment 60462800Fuel Lines and Check Valve RemovedDial Gauge, 61208700Spill Device, 66503001Socket Wrench, 30 mm, 66833500Special Wrench, 60600000A.Test.1.Testing the Fuel Injection Pump.NOTEPerform this test both before removalof the injection pump from the engineand after re-installation.WARNINGDEATH OR SERIOUS INJURY COULDOCCUR IF FUEL IS NOT HANDLEDCAREFULLY. USE IN A WELLVENTILATED AREA AWAY FROMOPEN FLAME, ARCING EQUIPMENT,IGNITION SOURCES, HEATERS, OREXCESSIVE HEAT. ENGINE MUSTBE TURNED OFF AND COOLBEFORE REFUELING. ALWAYSSTORE FUEL IN PROPER, MARKEDCONTAINERS. DO NOT SMOKE.FIGURE 5-2. INJECTION PUMP TESTa.Connect fuel hose (Figure 5-2, Item 1) from fuel tank to injection pump (4).b.Ensure the extra fuel device button is not pulled out If the button is extended, push it back in.c.Connect testing device 60462800 (3) to injection pump (4). Ensure side connections (2) are tightlycapped.d.Loosen the pressure gauge connection and crank the engine until trapped air is removed from thesystem.e. Tighten pressure gauge connection.CAUTIONDo not scratch or mar mating surfaces of pump body or cover. The fuel injectionpump may leak or otherwise malfunction after reassembly.5-8
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