Yaroslavl Engine Plant YMZ-536 Operation Manual page 97

INJECTOR
The injectors are closed type, with a multi-hole nozzle,
hydraulically controlled needle lift and a built-in fast-response fuel
injection solenoid valve (Fig. 34).
1 — Nozzle assy
2 — Injector body
3 — Nozzle nut
4 — Rod
5 — Control piston
6 — Piston bushing
7 — Nozzle spring;
8 — Adjusting washer
9 — Piston bushing sealing
10 — Piston bushing nut
11 — Ball
12 — Ball cup
13 — Guide
14 — Stroke adjustment washer
15 — Residual gap adjustment washer
16 — Pusher
17 — Armature spring
18 — Pusher spring;
19 — Solenoid assy
Fig. 34
97