Operator’s manual
Double-sided disc mowers
with central suspension
- 57 -
P
T
about 3' 3"
2.
Dismount front belt in lower part of the conveyor
P
(
Fig. 46
). Slide belt
T
down (
Fig. 47
).
Fig. 46
Fig. 47
3.
Clean and check condition of bearings in rollers – worn ones must be replaced.
4.
Mount the new belt upwards.
5.
Mount front belt
P.
6.
Mount front tensioners and tighten rear tensioner.
III.
Maintenance of belt conveyor adjusted in "work" position - inclination towards the
ground should be 23°.
1.
Mark two lines on newly mounted belt in intervals of l
= 3' 3"
(
Fig. 48
).
2.
With adjustment screws
S
2
tighten the roller so the distance on belt between marked lines is
l
= 3' 4" -
3' 4.2"
(lines on measures from item I. 1 may prove to be helpful). The distance
between the lines may differ on both edges of conveyor's belt.
Fig. 48.
3.
Measure diagonals with use of 9' 10" measure using angle bars.
4.
Start the mower and in particular hydraulic drive, gradually increasing rpm from 0 to 1250 rpm.
5.
Adjust with screws
S
2,
locking screws
S
1
each time
–
to be repeated until fine tuned, so there are
no bulges on the belt.
NOTICE:
Precision is recommended, so belts and their edges work symmetrically on rollers. Well-
adjusted belts cannot bulge in places where v-belt is guided inside the roller channel.
S
2
S
2
S
1
measure
l