Zetor 10641 Forterra turbo, Руководство оператора

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MAINTENANCE INSTRUCTIONS
F 247 F 248 F 249
CHANGING THE CLEANER ELEMENT
OF HYDROSTATIC STEERING
1. Remove the tractor front grill.
2. Remove the battery.
3. Put the suitable vessel under the
hydrostatic steering tank.
4. Loosen the draining plug
5. Drain the oil from tank.
6. Remove the oil tank cap
7. Remove the cleaner element.
8. Install the new cleaner element
9. Remove both hoses (1, 2)from
steering cylinder and put them
together with return line hose into
vessels for the old oil.
10. Start the engine and turn the steering
wheel twice or three times into both
directions at low engine idle run
(max. 10 seconds) to remove the oil
from the steering unit.
11. Fix the tractor against movement and
lift the front axle.
12. Put a vessel for the old oil under the
steering cylinder and remove the oil
from cylinder by turning of wheels (by
hand).
13. Reassemble all disconnected fittings.
14. Fill the tank by oil and bleed the
hydrostatic steering circuit.
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