5.3.1. The design description

The back suspension bracket consists of an axis with longitudinal levers and the longitudinal beam, two springs, two shock-absorbers, two top saddles of shock-absorbers and two terminators. Each spring is supported between a saddle in the bottom of a body and a saddle welded on the top part of a back axis.

Fig. 5.41. Details of a back suspension bracket: 1 — the shock-absorber; 2 — the terminator; 3 — the top saddle of a spring; 4 — a spring; 5 — a washer; 6 — the plug; 7 — a longitudinal beam; 8 — a back axis; 9 — an epiploon; 10 — the internal bearing of a wheel; 11 — a ring; 12 — the external bearing of a wheel; 13 — шплинт; 14 — корончатая a nut; 15 — the longitudinal lever

Details of a back suspension bracket are shown on fig. 5.41.

Specifications of a back suspension bracket are resulted in tab. 5.4.

Table 5.4      Specifications of a back suspension bracket

The name	The description
Suspension bracket type	The isolated lateral hinge
The shock-absorber
The maximum length, mm	394,53
The minimum length, mm	257,53
Rod course, mm	137
The moment of rotation of the bearing of a back wheel, Нм	0,137-0,422
Spring height, mm	291
Type of greasing of the bearing of a forward wheel and nave	M-8143 ANTIF BRG GREASE

The moments of an inhaling of a back suspension bracket are resulted in tab. 5.5.

Table 5.5 the     Moments of an inhaling of a back suspension bracket, Нм

Nut of fastening of the shock-absorber to a body arm	45-70
Bolt of fastening of the shock-absorber to a back axis	45-70
Bolt of fastening of the longitudinal lever to a back axis	80-90
Bolt of fastening of the longitudinal lever to a body arm	70-90
Bolt of fastening of a longitudinal beam to a body arm	50-70
Nut of fastening of a longitudinal beam to a back axis	35-55