Avtodizel ???-238??, Operating Instructions Manual, Page: 63 / 254

63
Fig. 29. Injector:
1 – spray tip body; 2 – spray tip
needle; 3 – spacer; 4 – rod; 5 –
spray tip nut; 6 – spring; 7 – case;
8 – union with filter; 9 – cap; 10 –
nut; 11 – washer; 12 – adjusting
screw; 13 – spring retainer; 14 –
pin; 15 – slot filter
The fuel is supplied to injector through the union 8 screwed-in
in the case. In the union a core of the filter 15 is pressed-in. The fuel
filtered through a backlash between a needle and the spray body, is
removed from injector through a cavity of a spring and holes in the
adjusting screw and in cap 9.
The injector is installed in a sleeve of the cylinder head. Under
the end face of spray nut the corrugated sealing washer from break of
gases is laid.
MODEL 51 INJECTOR
All injector details are assembled in the case 7 (fig. 30). To the
lower end face of the injector case by a nut 5 is joined spacer 3 and
spray 1. The mutual arrangement of the injector case, spacer and spray