f. Install the dial gauge on the holder assembly so that the pin is brought into contact with the upper end of the push rod, then fix the pin with the nut. NOTE 1 : Fix the dial gauge so that a stroke of 2 mm or so can be measured. NOTE 2 : Overtightening the nut may cause a sticking of the dial gauge seat. EQM4046S g. Assemble the nozzle and nozzle holder assembly to the nozzle tester and zero the dial gauge. h. Operate the nozzle tester, bleed the retaining nut, and check for fuel leakage. I. Operate the nozzle tester and increase the L tester pressure up to 350 ~ 450 kgf/cm 2 in order that the needle valve can be fully lifted. Then, record the full lift value “L”.
Amount of lift This testing is to be made in order to NOTE : check the nozzle seat portion for unusual wear or whether the nozzle 0 Tester pressure assembly is a standard item. EQM4048I - 145 - MAINTENANCE OF MAJOR COMPONENTS