ARMATURE LIFT

Armature lift measurement affects the overall behavior of the injector. It's the basic measure for the injector calibration.

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PROCEDURE:


STEP1

Fix the body injector in the dedicated centering plate as shown in the picture. Choose a part of the body to avoid the uncorrected centering (avoid bevels).



STEP2

Assemble the gauge head DX75632 (2x94 probing pin, n°13 basic case).

Screw the probe pin holder DX75633 (probe pin holder for steal shim measuring, n°3 basic case), assembled with the head DX75634 (2,8 mm probing pin for needle measuring, n°9 basic case), on the slot probe pin exit .

 



Fit the dial gauge in the dedicated front slot and set it in microns.



STEP3

Insert the ball, the ball bearing, the armature lift shim and the whole armature, into the body injector.





STEP4

Screw on the body injector the tool DX75736 (BH CRIN injector anchor fixing tool, n°13).



STEP5

Place the injector so that moving down the movable crossbeam the armature pin will fit exactly inside the head DX75634 (2,8 mm, probing pin for needle measuring, n°9 basic case).


Move down the crossbeam until the pneumatic piston movement lever reaches the half way of the movement range. Block the vertical and longitudinal motion.



STEP6

Set the air pressure to 3 bar.


Activate the pneumatic control and, keeping it working, reset the dial gauge.


Release the pneumatic control and lift up the pneumatic piston movement lever.


The measure read will be the armature lift.


END


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