39
OPERATOR’S MANUAL
REAR DISC MOWER
KDT
Fig. 33.
Adjusting the force of the pressure of roller conditioner
6.11.
Maintenance and service
6.11.1.
Checking the tension of the V-belts
Check the V-belt tension. V-belts are tensioned with spring tensioner (
) equipped with checking
plate. Distance
S
between plate tip and holder should be 0.4". If the gap is wider the
V-belts will be looser. Tensioning is done by nuts
N.
When any of the belts are damaged, the complete
set must be replaced.
Fig. 34.
Spring V-belts tensioner
6.11.2.
Inspection of tension of toothed belt for gears of rollers and conditioner
Drive from cog gear shaft is transmitted on rollers/conditioner roller axles through toothed belts.
Constant belt tension is provided by tensioner adjustable with tensioning nut
N
and
d
)
Belt tightening can be checked through eye
O
and
c
). In order to tension the belt remove safety
guard (
and
c
) having unscrewed four nuts
S.
Then
,
tension the toothed belt using tensioning
screw and nut
N
and
d
)
.
Properly tensioned belt, when pressed with thumb in the middle
should deflect by approx. 0.2".
N
S
S
N
