Usage:
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):
Used nozzle ... 10 300 to 17 690 kPa (1500 to 2600 psi)
Used, adjusted nozzle ... 16 545 to 17 690 kPa (2400 to 2600 psi)
Return oil leakage test pressure ... 9630 to 11 045 kPa (1400 to 1600 psi)
Leakage in 15 seconds ... NO minimum or maximum
Maximum tip leakage is 20 drops in 15 seconds with a pressure of 1380 kPa (200 psi) less than opening pressure.
(1) Torque for valve lift locknut ... 4.0 to 5.1 N·m (35 to 45 lb in)
(2) Torque for pressure screw locknut ... 8.0 to 9.1 N·m (70 to 80 lb in)
(3) Torque for cap ... 12.4 to 13.6 N·m (110 to 120 lb in)
7000 Series Nozzle
(1) Bleed screw.
Tighten bleed screws to the following torques:
Bleed screw A ... 0.9 ± 0.1 N·m (8 ± 1 lb ft)
Bleed screw B ... 1.8 ± 0.2 N·m (16 ± 2 lb ft)
Bleed screws C and D ... 2.2 ± 0.8 N·m (20 ± 7 lb ft)
NOTE: All fuel injection line nuts are tightened to a torque of ... 42 ± 7 N·m (31 ± 5 lb ft)