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The mowing deck is equipped with plastic covers which prevent hand access to moving parts and to the machine drive
parts of the machine.
The covers can be very quickly and easily removed using the quick coupling pins on the sides of the covers. Slide
a screwdriver into the pin groove and turn it anticlockwise. Then take the cover off the machine.
6.3.7a
Machines UJ102, UJ102 4x4 and UJ122:
►
Distance
A
is the front edge of the mowing deck in the travel direction and it must be
23-25 mm
above the ground.
Check it on both sides of the mowing deck. If the height is different, loosen the lock nuts (
2
) on the respective draw
rod (
1
) and adjust the height by the turning nuts (
3
). After setting the correct height, do not forget to tighten the lock
nuts (
2
).
►
Distance
B
is the rear edge of the mowing deck in the travel direction and it should be
28-30 mm
above the ground,
i.e. the rear edge must be at least 5 mm higher than the front edge. If the height is different, adjust it by loosening
nuts (
4
), setting the edge to the correct height and tightening the nuts with a torque of
55 – 65 Nm
.
6.3.7b
Machines UJ110:
►
Distance
A
is the front edge of the mowing deck in the travel direction and it must be
30-34 mm
above the ground.
Check it on both sides of the mowing deck. If the height is different, loosen the lock nuts (
2
) on the respective draw rod
(
1
) and adjust the height by the turning nuts (
3
). After setting the correct height, do not forget to tighten the lock nuts (
2
).
►
Distance
B
is the rear edge of the mowing deck in the travel direction and it should be
28-30 mm
above the ground,
i.e. the rear edge must be at least 5 mm higher than the front edge. If the height is different, adjust it by loosening
nuts (
4
), setting the edge to the correct height and tightening the nuts with a torque of
55 – 65 Nm
.
If you are not certain about this procedure, have it performed by a service centre.
6.3.8 MOWING DECK - CHECKING AND ADJUSTING THE V-BELT
6.3.8a
6.3.8b
Because of the demands placed on it, the tension of the mowing deck drive belt (
1
) declines over time and it is
necessary to tension this belt. The belt is tensioned using bolts and a spring.
►
Set the mowing deck to position 1.
►
Using a suitable wrench, turn nut (
2
) so that spring (
3
) is tensioned to a value of :
Machines 106 and 106 4x4:
145±1 mm.
Machine 110:
150±1 mm.
Machine 124:
155±1 mm.
6.3.9 MOWING DECK - ADJUSTING THE COGGED BLADE DRIVE BELT
Machines 106, 106 4x4 and 124:
6.3.9a
►
Lower the mowing deck to the lowest position by moving the height adjustment lever to position
1
.
►
Release the quick coupling pins of the mowing deck side covers and take the covers out.
►
Release the quick coupling pin (1) of the top cover (2) and approximately in its middle tilt the cover upwards.
6.3.9b
►
Slide an appropriate spanner under the metal cover, from underneath place it on the belt pulley bolt (
1
). From above
loosen the belt pulley nut.
►
Loosen the lock nut (
2
) and nut (
3
). Then, using an appropriate wrench, turn nut (
3
) so that the cogged belt (
4
) is
properly tensioned.
6.3.9c
►
The belt is correctly tensioned when a force of
4 kP
(
40 N; 72 Hz
) acting on the middle distance between the belt
pulleys (
1
) and (
5
) results in the belt bending by approximately
0.5 cm
.
To measure force you can use a standard mechanical dynamometer available in stores selling such products.
►
Tighten the lock nut (
2
) of the tensioning mechanism and again tighten the nut of the cogged belt pulley (
1
).
►
Reattach the side and top cover and tighten them.
Machines 110:
6.3.9d
►
The mowing deck drive belt is correctly tensioned when the length of the tensioning spring (
2
) is
135±1 mm
. If the
length is different, adjust it by turning nut (
1
) of the tensioning draw bar.
6.3.10 MOWING DECK - REMOVING IT FROM THE MACHINE
6.3.10a
►
Set the mowing deck to the highest position by moving the elevation adjustment lever to position 7.
►
Slightly lift up the grass ejection chute (
1
) and slide it off the two pins welded to the frame of the mowing deck. Then
either move the chute approx. 10 cm backwards and secure it in place, or completely take it out through the rear plate.
Содержание OM 106
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