Common Rail injector adjusting gaskets
Update Time：2018-10-22 Source：http://www.chenlinchina.com
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.