14
SPEC HD cultivators are optionally available with a disc beam with disc holders with
rubber protection to prevent the holders from twisting excessively during machine
operation (Fig. 5).
Fig. 5 Disc beam with rubber protection.
4.2.
Coupling the cultivator to the tractor
The tractor wheel tyre pressure should be in accordance with the manufacturer's
recommendations. The lower links of the three-point hitch should be at an equal height,
at a spacing corresponding to the spacing of the lower suspension points. When connecting
the cultivator to the tractor, the cultivator should stand on firm and level ground.
Fig. 6 Three-point suspension system of the tractor's three-point hitch: 1,2 - lower links, 3 - upper fastener,
4 - left suspension, 5 - right suspension with adjustable length, 6 - lift arm, 7 - lift shaft
Rubber protection
