80-0000010B OM
158
1 – oil pipeline of differential lock coupling; 2 – lock valve; 3 – HLL and HSC
combined oil tank; 4 – dosing pump; 5 – drain filter; 6 – emergency oil pressure sensor;
7 – HSC feed pump; 8 – suction hydraulic line; 9 – swivel lever; 10 – cone pins; 11 – steer-
ing hydraulic cylinder; 12 – grease fittings; 13 – cylinder bracket; Р – pressure hydraulic
line; Т – drain hydraulic line; L – left turn hydraulic line; R – right turn hydraulic line.
Figure 3.12.2 Hydrostatic steering control and differential lock valve (for tractors
BELARUS-80.1/82.1).
HSC of tractors “BELARUS-80.1/82.1/820” consists of dosing pump 4 (figure
3.12.1, figure 3.12.2), steering hydraulic cylinder 11, gear feed pump 7 with the drive from
the engine, combined oil tank 3 and hydraulic fixtures (fittings, oil pipelines, high pressure
hoses, flexible hoses and their fasteners).
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