Adjustments Of Seat "Grammer - Belarus 80.1 Operation Manual

- 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 re-
quired to lift the seat up smoothly until 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.
2.20.3 Adjustment of seat "Grammer"
Your tractor can be equipped upon request with "Grammer" seat (Figure 2.20.2).
1 – handle for longitudinal adjustment;2 – handle to adjust according to the weight;
3 – indicator of seat adjustment according to the weight; 4 – handle to adjust the backrest
tilt.
The Grammer seat has the following adjustments:
- adjustment according to the operator's weight. It is carried out by means of handle
2 (figure 2.20.2) within the range from 50 to 130 kg with weight indication in 10 kg. To ad-
just the seat for a bigger weight it is required to turn the handle clockwise, to adjust the seat
for a smaller weight – turn it counterclockwise.
- 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-backward it is required to pull
handle 2 up towards yourself, move the seat and then release the handle. The seat will
automatically lock 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 to the stop, move the backrest to the necessary direction to
achieve the required angle and then release the handle. The backrest will lock in a required
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 until the arresting stop goes off (a spe-
cific click is heard). To move the seat from the "upper" position into the "lower" one it is nec-
essary to lift the seat up against the stop with an abrupt movement and let it down. It is im-
possible to move the seat from the "middle" position to the "lower" one.
Figure 2.20.2 – "Grammer" seat adjustments
65
80-0000010B OM