1. Nozzle Needle ( lift)-setting ring gauge ( Intermediate pin):
Nozzle Needle (lift)-setting ring gauge, full load oil quantity:
Thick ---small delivery oil Thin ---delivery oil big
Truck nozzle Needle lift: 200+-10 250+-10 300+-10
Cummins 210 thick S(mm) ：1.000，1.020,1.040……1.380.
2. (Lift) -setting ring gauge: magnet iron Maximum motion displacement, effect whole area of the injection, pre-injection are most obvious.
Pre- injection: Thick –big delivery oil Thin ---delivery oil small, Passenger Cars: 40+—5um
Business car 50+-5um, lower than 30 higher than 70, no injection.
1) thick S(mm)，1.190，1.192,1.194…….1.298
2Thick S(mm)，1.512，1.514,1.516…..1.686
3. Magnet iron spring disc: full points, affection for the oil quantity is smallest.
Magnet iron spring disc- full points: Thick- oil quantity small. Thin- oil quantity big .
Common rail injection disassembly must with Torque Wrench.
|
Unit（nm) |
CRINI |
CRIN2 |
CRI2.0 |
CRI12.2 |
|
Nozzle nut |
65 |
65 |
49(M17) |
44(M15) |
|
Grub screw |
55 |
65 |
45 |
45 |
|
Magnet nut |
27 |
25 |
25 |
25 |
4. Nozzle spring disc: low rail pressure area, low speed is most obvious,
Low speed oil quantity: thick- oil quantity small. Thin – oil quantity big
Thick : S(mm)，1.000，1.020,1.040…2.00.
