892-0000010B OM
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2.19.3 Grammer seat adjustments
On order, your tractor can be equipped with Grammer seat (Figure 2.19.2).
1 – handle for longitudinal adjustment; 2 – handle to adjust by weight; 3 – indicator of
seat adjustment by weight; 4 – lever to adjust backrest tilt.
Figure 2.19.2 – Grammer seat adjustments
The Grammer seat has the following adjustments:
- adjustment according to the operator's weight. It is carried out by means of handle
2 (Figure 2.19.2) within the range from 50 to 130 kg along with weight indication after every
10 kg. To adjust the seat for a bigger weight it is required to turn the handle clockwise, and
to adjust it for a smaller weight, you should turn it contraclockwise.
- longitudinal adjustment. It is carried out by means of handle 1 within the range of
75 mm from the middle position. To move the seat forward-backwards, it is required to pull
handle 1 up towards you, move the seat and then release the handle. The seat will auto-
matically get locked in a required position.
- adjustment of the backrest tilt angle. It is adjusted by means of lever 4 within the
range from minus 10° to plus 35°. To change the backrest tilt angle, it is necessary to pull
lever 4 up against the stop, tilt the backrest in the necessary direction to achieve the required
angle and release the lever. The backrest will get locked in a required position.
- height adjustment is carried out within the range of 30 mm from the middle position.
The seat has three height positions: “lower”, “middle” and “upper”. To move the seat from
the “lower” position to the “middle” position or from the “middle” position to the “upper” one,
it is required to lift the seat smoothly till the arresting stop goes off (a specific click is heard).
To move the seat from the “upper” position to the “lower” one, it is necessary to lift the seat
against the stop with an abrupt movement and let it down. It is impossible to move the seat
from the “middle” position to the “lower” one.
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