horsch Pronto 3 - 6 DC, Operating Instructions Manual

Page: 105 / 129

Wheels and tyres
¾
Check the tyres regularly for damage and tight
fit on the rim.
¾
Check the wheel nuts regularly for tight fit.
¾
Check the tyre pressure regularly while the
tyres are cold.
Pay attention to the chapter Maintenance .
¾
Use only tyres and rimes approved by
HORSCH.
Changing wheels
(undercarriage)
WARNING
Traffic and work accidents from improper
mounting!
¾
Perform the wheel change only when the
machine is hitched to the tractor and in stable
position.
¾
Position the jack only at the lifting points
marked.
¾
Perform the wheel change only if all tools are
available.
¾
Have the wheel change performed by a qual -
ified shop or tyre service if not fully knowl -
edgeable about the procedure and/or not all
tools are available.
¾
In case of large wheels, they must be changed
with two persons if no special devices (e.g.
wheel changing trolley) are available. The
persons must be able to handle the wheel
securely.
¾
Danger of explosion! Do not exceed the spec-
ified tire pressure, see Maintenance overview .
¾
Observe the tightening torque for the wheel
nuts.
Required tools
•
Ring spanner, with extension, if necessary
•
Torque wrench
•
Jack with sufficient lifting power
•
Tripod trestle with sufficient permissible load
capacity
•
Suitable lifting equipment, such as a lift truck,
when dismantling entire axles.
Procedure
NOTE
The illustrations show a Pronto 9 DC. The wheel
change is carried out in the same way as with
other Pronto DCs.
1. Park the machine on a level and paved area.
2. Fold the machine, see
Folding.
3. Engage the brake.
4. Place the jack opt of the axle. The jack lifting
points are listed in the chapter Safety stickers
and marked on the machine with the following
sticker:
00385757
5. When using a hydraulic jack without safety
lock, use a tripod trestle or similar support
device in addition to secure the load against
lowering.
6. Push suitable lifting equipment, such as a lift
truck, under the packer.
7. Remove the scrapers.
8. Loosen the wheel nuts on the brake drum by
half a turn.
9. Lift the axle with the jack until the wheel is
clear.
10. Adjust the tripod trestle to the correct length
and put it under the axle.
11. Loosen and remove the wheel nuts on the
brake drum.
MF 101