2.19.4 “Grammer” seat adjustments

2.19.4 “Grammer” seat adjustments

Against order your tractor may be equipped with “Grammer” seat (figure 2.19.3).

1 – handle for longitudinal adjustment; 2 – handle to adjust according to the weight; 3 – indicator of seat adjustment according to the weight; 4 – lever to adjust the backrest tilt.

Figure 2.19.3 – “Grammer” seat adjustments

The “Grammer” seat has the following adjustments: - adjustment according to the operator's weight. It is carried out by means of a handle 2 (figure 2.19.3) within the range of 50 to 130 kg with weight indication in every 10 kg. To adjust the seat for a bigger weight it is required to turn the handle clockwise and to adjust the seat for a smaller weight – contraclockwise. - longitudinal adjustment. It is carried out by means of a handle 1 within the range of 75 mm from the middle position. To move the seat forward-backward it is required to pull the handle 1 up, move the seat and then release the handle. The seat will automatically get fixed in a required position. - adjustment of the backrest tilt angle. The backrest tilt angle is adjusted by means of a lever 4 within the range of minus 10° to plus 35°. To change the backrest tilt angle it is necessary to raise the lever up against the stop, tilt the backrest in a required direction by a required angle and release the lever. The backrest will automatically get fixed in a set position. - height adjustment. It 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 up smoothly till the arresting stop goes off (a specific click is heard). To move the seat from the “upper” position into the “lower” one it is necessary to lift the seat up 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.