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CHECK OF OIL LEVEL IN
HYDROSTATIC STEERING TANK
Carry out checks every day before start
of operation, on the tractor standing on a
horizontal surface. Open the bonnet,
screw out the gauge rod, wipe if with a
cloth and screw in. The screw it again
and check the level that shall not be un-
der the lower gauge mark. Refill oil as
necessary after removal of the tank lid.
MAINTENANCE INSTRUCTIONS
E719
REPLACEMENT OF OIL AND HYDRO-
STATIC STEERING FILTRATION
CARTRIDGE
1. Put a suitable container under
the hydrostatic steering tank.
2. Screw out the drain screw in the tank
bottom.
3. Drain oil.
4. Screw out the tank lid nut.
5. Remove hydrostatic steering tank lid.
6. Replace the filtration cartridge.
7. Reinstall the tank lid.
8. Lok its position by the nut.
9. Screw in the drain screw.
10. Disconnect both hoses from the
working cylinder and drain tube
from the tank (put containers
161
G750
under working cylinder hoses and
under the drain tube).
11. Start the engine and at idle speed
(max. 10 sec) turn the steering wheel
2-3 times to both sides to push off oil
from the control unit and piping.
12. Secure
the
tractor
movement and lift the front axle.
13. Put a container under the
working cylinder and rotate
(manually) wheels to push out
oil from the working cylinder.
14. Reconnect all joints.
15. Fill the tank with oil and bleed the hy-
drostatic steering circuit.
E721
against
any
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