Taking Turns Over Swaths - SaMASZ XT 390 Operator's Manual

4. Do not take turns in the mowed grass.
Optimum inclination of the cutterbar towards the ground is between 0° and 3°.
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If the inclination exceeds 5°, there might be a slight unevenness of the mowed grass. It impairs
slightly the quality of mowing and has an influence on mower's operation. When the cutterbar is
pulled in other way, it significantly impairs the quality of mowing and in some cases the mower
stops mowing. Besides, it may lead to premature wear or even damage of the slides and cutterbar.
When the high grass prevails, the first and the second cut should be mowed at the height level 2
❑
½" 6 - 7 cm, but when the grass grows low – at the height level - 1.97" (5cm). The last cut should
be mowed a little bit higher – 2.75"-3" (7-7.5cm) above the ground.
Too high PTO rpm whirl the air, which may cause the inclination of the grass in front of the discs.
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It impairs the quality of mowing.
Too low PTO rpm impair the quality of mowing and in some cases the mower stops mowing.(too
❑
low linear velocity of the knife).
In contrast with 2-drum mowers straight mounting of the mower and full speed is not always
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possible. Adjust experimentally the inclination of the mower, PTO rpm, speed and correctness of
knife-mounting.
On reclaimed meadows for first mowing or after heavy and long rainfall, reduce the pressure of the
❑
bar on the ground by adjusting pressure in the working unit.
Fig. 21

6.1. Taking turns over swaths

Lift the mower with hydraulic cylinder (Fig. 17) and take the turn. The mower does not need to be
additionally lifted by tractor's 3-point linkage.
30
.
Shape of the stubble with cutterbar's inclination 0°, 3° and 5°
XT REAR DISC MOWER OPERATOR'S MANUAL