Minsk Tractor Works Belarus 1221.2, Disassembly-Assembly Manual

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Disassembly-assembly manual for tractor BELARUS-1221.2/1221 В .2/1221.3/1221.4
95
in oil.
Check quality of assembly: insert in differential drive gear shaft of main drive and also check half-
axle gear 5 which must turn through with satellites 7 and gear 15 without jams.
ATTENTION! Before starting the assembly lubricate washers 4 and 14, gears 5 and 15, pins of
cross-piece 6, rollers 17, satellites 7 and washers 8 with transmission oil. Disassembly of differential
body and cover is not allowed.
1 – bearing; 2 – bolt; 3 – differential cover; 4 – washer; 5 – gear; 6 –differential cross-piece; 7 –
satellite; 8 – thrust washers; 9 – nut; 10 – driven gear; 11 – bolt; 12 – bearing; 13 – differential body;
14 – washer; 15 – gear; 16 – stop plate; 17 - rollers.
Figure 4.114
Final drives
а ) press on half-axle 7 (Figure 4.115) inside ring of external bearing 5 heated in oil in advance, to
half-axle collar to the end;
b) put in sleeve ring 9, using rims А and Б ;
с ) press inside sleeve 8 external rings of bearing 4 и 5 in sleeve rim to the end;
d) install hub 2 of crown 1 inside sleeve 8, fastening bolts and cotter pin them with locking plates;
plates must overlap splines;
e) install half-axle 7 with bearing 5 inside sleeve 8 and press insode ring of bearing 4 heated in oil
in advance;