TM 9-4310-397-14(f)Remove nozzle from tester and secure in holding fixture (Figure 6-9, 1). While holding pressure adjustingscrew (4), tighten pressure adjusting screw lock nut (2) 7 ft-lb (10 Nm) using the No. 18958 (English size)or No. 24374 (metric size) torque wrench adapter (Figure 6-10,1) from (item 9, section III, appendix B).Figure 6-10. Nozzle Pressure Adjusting Lock Nut Torque(5) Adjust valve lift per the following:CAUTIONThe valve is fragile and use of excessive force when manually bottoming i t out can bend it.(a)Reconnect nozzle to tester. While pumping fuel through nozzle, hold pressure adjusting screw (Figure 6-11, 1)and slowly turn lift adjusting screw (2) in (clockwise) until valve ceases to open.Figure 6-11. Nozzle Pressure Lift Adjusting Screw6-11
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