Seat And Its Adjustments; General Information; Adjustments Of Seat - Belarus 922.6 Operator's Manual

2.23 Seat and its adjustments

2.23.1 General information

The seat has a mechanical suspension, consisting of a laminated torsion bar and a shock
absorber of bidirectional operation. A "scissors"-type guiding mechanism ensures strictly vertical
movement of the seat. A dynamic seat stroke is 90 mm.
ATTENTION: BEFORE STARTING TO OPERATE THE TRACTOR, ADJUST THE SEAT TO
REACH THE MOST COMFORTABLE POSITION. CARRY OUT ALL ADJUSTMENTS WHEN
STAYING IN THE SEAT! THE SEAT IS CONSIDERED CORRECTLY ADJUSTED ACCORDING
TO THE MASS IF IT MOVES HALF OF THE STROKE UNDER THE OPERATOR'S WEIGHT (THE
SUSPENSION STROKE IS 90 MM)!

2.23.2 Adjustments of seat.

1 – handle for longitudinal adjustment; 2 – handle for seat height adjustment; 3 – handle for
adjustment according to the weight; 4 – handle for backrest tilt adjustment
А – Location of marks '+' or '-' on handle for
The seat has the following adjustments:
- adjustment according to the operator's weight. It is carried out by means of handle 3 (Figure
2.23.1) within the range from 50 to 120 kg. To adjust the seat for a bigger weight it is required to
shift the grip of handle 3 forward in the axial direction against the stop and turn it on its axis by 180 °
'+'
(mark will appear on the handle) and then tighten the torsion bar in the back-and-forth motion
(the torsion bar shall be tightened by rotating handle 3 in the horizontal plane). In order to adjust the
seat for a lower weight
turn it on its axis by 180 ° (mark
back-and-forth motion (the torsion bar shall be released by rotating handle 3 in the horizontal plane)
- 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,
move the seat and then release the handle. The seat will automatically get locked in a required posi-
tion.
- adjustment of the backrest tilt angle. The backrest tilt angle is adjusted by means of han-
dle 4 within the range from plus 0° to plus 16°. To change 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 handle. The seat will get locked in a required position.
- height adjustment is carried out by means of handle 2 within the range of  35 mm from the
middle position (overall there are seven positions). To increase the seat height slightly squeeze the
seat suspension and move handle 2 to the left as viewed in the direction of tractor motion, in order
to reduce the sear height move it to the right.
Figure 2.23.1 – Seat adjustments
shift
the grip of handle 3 forward in the axial direction against the stop and
'-'
will appear on the handle)
adjustment according to the weight
,
then release the torsion bar in the
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