Opening Pressure Test
WARNING:
When testing injectors, keep spray contained to avoid serious injury. DO NOT allow injector to release line pressure on hands, arms or any part of body. Pressure of atomized test spray has sufficient penetrating power to puncture flesh.
- Open tester shutoff valve 1/4 turn from closed position. Slowly depress tester lever and observe gauge. Note pressure at which needle of pressure gauge stops. Some injector nozzles may pop while other injector nozzles may drip (this is not a leak).
- Injector opening pressure should not fall to less than 1500 psi (105 kg/cm2 ). Replace any injector nozzle where measurement does not meet lowest acceptable pressure. Release tester pressure.