horsch Maestro 12.45 CV, Руководство по эксплуатации

Страница: 141 / 155

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 .
Use only tyres and rimes approved by HORSCH.
Changing wheels (undercarriage)
WARNING
Traffic and work accidents from improper moun -
ting!
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 quali -
fied shop or tyre service if not fully knowledge -
able about the procedure and/or not all tools
are available.
¾
The wheel 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 spe-
cified 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
Procedure
1. Park the machine on a level and paved area.
2. Fold the machine, see
Folding.
3. Engage the brake.
4. Place the jack on the side of the wheel to be
changed at the lifting point 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. Loosen the wheel nuts by half a turn.
7. Lift the axle with the jack until the wheel is
clear.
8. Adjust the tripod trestle to the correct length
and put it under the axle.
9. Loosen the wheel nuts and remove the wheel.
WARNING
¾
Never park the machine without securing it
when the wheel(s) is/are dismantled!
10. Attach the new wheel and fasten it with the
wheel nuts. Tighten all wheel nuts crosswise:
MF 137