TUBE 3728014 - Caterpillar

Bench test nozzles using clean SAE J967 Calibration Oil (Kent-Moore Corp. J-26400 or Viscor Calibration Fluid 1487C-SAE J-967C) at a temperature of ... 18 to 20°C (65 to 70°F)Nozzle setting pressures (valve lift adjustment screw turned 3/4 1/8 turn from closed position): Valve opening pressure ... 10 300 to 17 690 kPa (1500 to 2600 psi)Maximum tip leakage for the 7N449 Fuel Injection Nozzle is 20 drops in 15 seconds with a pressure of 1380 kPa (200 psi) less than opening pressure.Maximum tip leakage for the 7W3710 Fuel Injection Nozzle is 3 drops in 10 seconds with a pressure of 1380 kPa (200 psi) less than opening pressure.(1) Torque for valve lift locknut ... 4.0 to 5.0 N m (35 to 45 lb in)(2) Torque for pressure screw locknut ... 8.0 to 9.0 N m (71 to 80 lb in)(3) Torque for cap ... 12.0 to 14.0 N m (107 to 125 lb in)7000 Series
(1) Tighten bleed screw to ... 2.2 0.8 N m (20 7 lb in) All fuel injection line nuts are tightened to a torque of ... 41 7 N m (30 5 lb ft)