MTZ 1220.3 - Page 61

MTZ 1220.1/1220.3 Section D. Construction and Operation
D13
Fig.D-14. Gearbox:
1, 4, 14 – forks; 2, 5, 6, 10, 15 – dogs; 3, 13 – bolts; 7 – dog; 9 – pin; 11 – lock;
12 – spring; 8 – ball; 16 – filter; 17 – pump casing; 18 – inner shaft.
To exclude simultaneous engagement of
the two toothed couplings (26) (Fig. E-
12.1) and (3) (Fig. E-12.2) the locking
balls (8) (Fig. E-14) are installed in holes
in the GB casing (Fig. E-14).