TM 5-4310-393-14b.Connect a gravity feed fuel hose to the injection pump.c.Place hand throttle control lever in full throttle position and center the pump control fork in relation tothe bore in the crankcase.NOTEIt may be necessary to loosen thelock nut with 30 mm socket wrench66833500 and turn the extra fuelbutton slightly, using special tool60600000, adjusting wrench for extrafuel device.d.Hold the extra fuel device andtighten the lock nut to establish a reference pointe.Install the injection pump withoutshim but using two paper gasketsFIGURE 5-5. DELIVERY VALVE HOLDERf.Turn the crankshaft so that the cam is at its lowest pointg.Unscrew delivery valve holder (Figure 5-5, Item 1) and remove spring (2), filling piece with shims (3),copper washer (4), delivery valve (5), and valve body (6).h. Insert copper washer (4) anddelivery valve body (6) only into spill device 66503001.I.Thread spill device 66503001(Figure 5-6, Item 1) into injection pump with spill pipe (2)in the up position, and then secure in place.j.Install dial gauge 61208700 withadapter pin 1.64 inch (41 mm) long attached, into spilldevice and pretension approximately 1 mm (one rotationof dial indicator hand).k. Remove fuel shutoff clamp from fuelhose.FIGURE 5-6. FUEL PUMP AND SPILL DEVICENOTEFuel emerging from the spill pipe on spill device 66503001 must be bubble free.2. Adjustment of Delivery End. Delivery end of the fuel injection pump is adjusted as follows:NOTEThe position of TDC (Figure 5-7, Item 2) and end of delivery (3) is marked on theflywheel (1). The corresponding alignment mark (4) is on the right upper side ofthe crankcase.5-11
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