Rear Lift Linkage; General Information - Belarus 3522.5 Operator's Manual

3.18 Rear Lift Linkage

3.18.1 General information

1 – bracket of turning shaft; 2 – turning shaft; 3 – lever (left and right by 1 pcs.); 4 –
hydraulic cylinder (2pcs.); 5 – crossbeam (2pcs.); 6 – top link; 7 – draft link (left and right
by 1 pcs.); 8 – eyelets (2pcs.); 9 –drawbar (2pcs.); 10 – pin (2pcs.); 11 – bracket of hy-
draulic cylinders and draft links(left and right by 1 pcs.); 12 – bracket of drawbar (left and
right by 1 pcs.); 13 – power sensor(2pcs.); 14 – top link bracket; 15 –position sensor
bracket; 16 – position sensor; 17 –cam disk; 18 –pin (2pcs.).
Rear lift linkage is used for coupling to the tractor of mounted and semi mounted ag-
ricultural implements. Implement machines are attached to the tractor in three points: to
draft links pivots and to top link or with a help of automatic coupler.
On rear axle tubes are mounted brackets 11 (figures 3.18.1), on which with a help
of pins 10 are mounted two hydraulic cylinders 4. Cylinder rods are connected with pins 3a
with external levers 3 (left and right). External levers by spline openings are mounted on
shaft 2 that is installed in bracket 1, which is mounted on top face of rear axle. The levers
3 are connected with draft links 7 trough drawbars 5.
The draft links are mounted by front pivots in bracket 11 (right and left) on special
sensors of draft control 13. The brackets 11 are fixed on tubes and side faces of rear axle.
On draft links 7 there are eyelets 8, on which are mounted drawbars 9 by its forked part
with a help of pins. The drawbars ensure adjustment and locking of cross travel of draft
links 7 in operating and transport positions. The position sensor 16 installed in bracket 15
ensure draft control and at the cost of the contact with cam disk 17, fixed on turning shaft 2
end face.
The top link 6 is fastened in bracket of drawbar hitch. In nonworking position the top
link 6 is fixed in bracket 14.
Figure 3.18.1 – Rear lift linkage
182
https://tractormanualz.com/
3522.5-0000010 РЭ