TM 10-4320-318-145-5. MAINTENANCE OF FUEL INJECTION PUMP - [Cont)c.ADJUST(Figure5-5).(1) Prepare engine for adjustment of injection pump as follows:(a) Connect fuel feed line (1) to hose connection fitting (2). Then block off fuel feed line by clamping.Figure 5-5. Injection Pump Adjustment(b) Unscrew deliver valve holder (3). Remove filling piece with three shims (4), spring (5), washer (6),pressure valve (7), and pressure valve body (8).(c) Install spill device (9) with washer (6), and pressure valve body (8).(d) Place speed control lever at start position. Ensure extra fuel button is pushed in.NOTEThe position of TDC (OT) and end of fuel delivery are marked on theflywheel. The corresponding mark is also on the crankcase.(e) Turn engine in clockwise (CW) rotation so that flywheel is at a position approximately 7.88 in. (200mm) before Top Dead Center (TDC).(f) Insert timing gauge with prolongated pin into adapter device. Make sure pin touches firmly thesurface of the pump plunger with a pretension of 0.0394 in. (1 mm) and check for frictionlessmovement.5-8
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