MTZ 1220.1, Руководство оператора

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MTZ 1220.1/1220.3 Section D . Operation controls and instruments
D24
Seat “MTZ”
The seat has the following adjust-
ments:
Adjustment according to the op-
erator's weight is carried out by
means of lever 1. To adjust the seat for
a bigger weight it is required to shift the
pawl of the lever 1 into position “A” and
tighten the springs with a reciprocal
movement. To adjust the seat for a
smaller weight it is required to shift the
pawl into position “
Б
” and release the
springs with a reciprocal movement.
Adjustment of the backrest tilt
angle is adjusted by means of a
handwheel 2. To increase the backrest
tilt angle it is necessary to turn the
handwheel clockwise, to decrease it –
contraclockwise.
Longitudinal adjustment is
carried out by means of a lever 3. To
move the seat forward-backward it is
required to pull the lever 2 up, move
the seat and then release the handle.
The seat will automatically get fixed in
a required position.
Height adjustment. 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 “up-
per” 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.
,
NOTE! It is impossible to move the
seat from the “middle” position to the
“lower” one.