Adjustments Of "Grammer" Seat - Belarus 1523.5 Operator's Manual

1523.5-0000010 OM

2.22.3 Adjustments of "Grammer" seat

Against order your tractor can be equipped with "Grammer" seat (figure 2.22.2).
1 – handle for longitudinal adjustment; 2 – handle for adjustment according to the weight;
3 – indicator of seat adjustment according to the weight; 4 – handle for backrest tilt ad-
justment.
Figure 2.22.2 – "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 (fig-
ure 2.22.2) within the range from 50 to 130 kg with weight indication in 10 kg. To adjust the
seat for a bigger weight, it is required to turn the handle clockwise, to adjust the seat for a
smaller weight – 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
2 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 lever 4
within the range from minus 10° to plus 35°. To change the backrest tilt angle, it is required
to pull handle 4 up against the stop, move the backrest to the necessary direction to
achieve the required angle and then release the lever. The seat will get locked in a re-
quired position.
height adjustment. It is carried out within the range of  30 mm from the middle posi-
-
tion. 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 into 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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