Minsk Tractor Works Belarus 1221.2, Disassembly-Assembly Manual

Page: 126 / 302

Disassembly-assembly manual for tractor BELARUS-1221.2/1221 В .2/1221.3/1221.4
125
Material - steel
Hardness – 255-302
НВ
7) mount brake (Figure 4.153) on tractor by performing the following operations:
7.1 bring brake together with aligning mandrel “
А ” to the end face of shank of final drive gear ‘ С ”;
7.2) ) insert shank of mandrel “ В ” inside opening to the end;
7.3) turn brake with mandrel in a way to align splines of mandrel and gear;
7.4) smoothly and with some effort move brake off the mandrel and mount it on final drive gear, to
match roller of pedals “ D ” with opening in brake body “ К ” and mounting of cover (15) to cup “ Е ” to
the end;
15 – cup cover; “ А ”. Mandrel; “ В ”. Mandrel shank; “ С ”. Left-side gear of final drive; “ D ”. Pedals’
roller; “ Е ”. Cup; “ К ”. Bushing body.
Figure 4.153
8) mount DI clutch 11, (Figure 4.145), cover (14) and adjustment bolt (20); make sure adapter
doesn’t jam (15) by turning it to small angle to the left and right 9) заправьте корпус тормоза
трансмиссионным маслом до уровня контрольно - заливной пробки 22 (Figure 4.145);
10) make sure there is no oil leaks along brake body connections;
11) torque bolts for brake fastening 21 (Figure 4.145) 120…160 N m
м ;
b) adjust left-side brake with bolt 20 (Figure 4.145) to provide full travel of left-side pedal within
110…115 mm upon pressure with effort 250…300 N;
с ) mount left-side rear wheel, torque bolts for disk fastening to 200…250 N•m. and take tractor off
support.