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Peration and adjustment
Use detector shoud check whether fixed firmly ,working environment should be clean,detector especially the clamping injector connector should wipe clean,then add precipitation over 48 hours of 0 # light diesel oil,don't use unqualified diesel.
The injector assembly opens pressure test:
First of all we can put booster leverage in bracket center,then we should turn the screw on the bracket and screw it on the high-pressure tube. fix firmly the injector assembly, check the sealing installation, push rod pumping pressure in sex, and see the pressure gauge, hands for the highest number display that the injector open pressure, cannot be used bracket to Fixed the injector body, spin screw under the right, fixed the injector assembly before the test. If open pressure beyond the prescribed scope of stress, adjust the pressure injectors springs, until the requirements.
The injector assembly injection Angle
Test the injecting angle ensure the injecting pressure is adjusted.Put a piece of white paper or a piece of iron-wire net painted with grease under the nozzle in the Repeat to pump fuel until you can see clearly a fuel circle or an empty circle in the iron-wire net.Measure height of “H” from the mouth to the net(paper) and diameter of outer circle D.Injecting angle.
Experiment of Atomizing Quality
Watch the atomizing quality of fuel injecting.The fuel grain should be tiny,well distributed.No fuel current (or drop) seen with eye.No obvious fuel stain appears if it is injected on the oil absorbing paper.Color of fuel stain from center to outer circle should become lighter and from well distributed circle.Pumping fuel should be quick.There is no fuel drop or fuel dropping after pumping fuel.Atomizing should be correct.Its taper angle should be within specified range.
Maintenance of the nozzle tester
Calibrating fuel must be good quality light diesel deposited over48 hours.
When filling fuel,filter it with silk-cloth.Do not fill tank with unfiltered diesel.
Cover the tester with anti-dust cover after testing.
Should be regularly (half year) to examine the pressure gage.
Without refueling, can’t press pressure rod, lest damage piston.