Be convinced of lack of jammings on all course of the shock-absorber. Warm up the engine up to the working temperature. Slowly increasing the frequency of rotation of the engine, achieve that the contact of the shock-absorber and screw 2 (see
fig. 3.37) occurred at 1300 min. — 1.
Tighten a lock-nut and be convinced of normal return of the engine to the idling mode.