198
MAINTENANCE INSTRUCTIONS
E722
E723
BLEEDING OF HYDROSTATIC STEERING HYDRAULIC CIRCUIT
1. Secure the tractor against any movement and lift the front axle.
2. Start the engine let it running at idle speed for approx. 1 minute.
3. At idle speed turn the steering wheel to both sides several times
4. At maximum speed of the engine turn the steering wheel alternately 3 times slowly
and quickly up to the limiting stops of the wheels.
5. Stop the engine.
6. After completion of bleeding check and refill (if necessary) oil up to the gauge rod
mark. Check tightness of all connections and lines of the hydrostatic steering hy-
draulic circuit.
7. Lower the front axle.
With all bleeding operations on
the hydrostatic steering watch oil
level in the tank to prevent suc-
tion of air into the steering sys-
tem.
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