GENERATOR GP 3623514 - Caterpillar

Bench test nozzles using clean SAE J967Calibration oil (Kent-Moore Corp. J-26400 or Viscor Calibration Fluid 1487C-SAE J-967C) at a temperature of ... 65 to 70°F(18 to 20°C)Nozzle setting pressures (valve lift adjustment screw turned 3/4 1/8 turn from closed position): New nozzle ... 2750 to 2900 psi(18 945 to 19 980 kPa)Used nozzle ... 1900 to 2900 psi(13 090 to 19 980 kPa)Used, adjusted nozzle ... 2700 to 2900 psi(18 600 to 19 980 kPa)Return oil leakage test pressure ... 1400 to 1600 psi(9630 to 11 045 kPa)Leakage in 15 seconds ... 2 to 30 dropsMaximum tip leakage is 10 drops in 15 seconds with pressure 200 psi (1380 kPa) less than opening pressure.(1) Torque for valve lift locknut ... 35 to 45 lb. in.(4.0 to 5.1 N m)(2) Torque for pressure screw locknut ... 70 to 80 lb. in.(8.0 to 9.1 N m)(3) Torque for cap ... 110 to 120 lb. in.(12.4 to 13.6 N m)