Check and adjustment of the maximum turns of the engine (AAZ engine) carry out in the following order:

start the engine, tighten the hand brake and establish the gear shifting lever in neutral situation;

for some seconds press an accelerator pedal against the stop;

using a tachometer for diesel engines, check the maximum turns of the engine which should make 5200 mines-1;

PREVENTION The engine should work at the maximum turns no more than 2–3 pages.

Fig. 5.82. Arrangement of the adjusting screw of adjustment of the maximum turns of the AZZ engine: 1–screw

for adjustment of the maximum turns of the engine weaken a lock-nut and rotate the adjusting screw 1 (fig. 5.82) ;

after adjustment of the maximum turns of the engine tighten a lock-nut.