Minsk Tractor Works Belarus 1221.2, Руководство по разборке и сборке

Страница: 150 / 302

Disassembly-assembly manual for tractor BELARUS-1221.2/1221 В .2/1221.3/1221.4
149
4.13 Disassembly-assembly of rear PTO
Dismounting of hatch cover and rear axle cover:
а ) unscrew four bolts 2 ( М 8 х 16) and one bolt М 12 х 20 (Figure 4.184), dismount access hatch
cover (1) and spacer;
b) unscrew nineteen bolts (3) ( М 12 х 30), dismount cover of rear axle body (4) and spacer.
1 – access hatch cover; 2 – bolt; 3 – bolt; 4 – cover of rear axle body
Figure 4.184
Dismounting of cover of PTO planetary reduction gear:
а ) unscrew bolt 1 (Figure 4.185), loosen tightening screw and take lever (2) off control roller 3;
b) unpin and take off lock 7, unscrew adjustment screws 4 off nuts 5;
с ) extract roller 3 with axles of screws 6 fastened to it 6 from rear axle body towards inside of body
1 – adjustment bolt; 2 – lever; 3 – control roller; 4 – adjustment screws; 5 – nuts; 6 – screw axle;
7-lock; 8-cotter pin.
Figure 4.185
d) unscrew bolts 4 and take off cap 3, (Figure 4.186);