Zetor Proxima 100, Operator'S Manual

Page: 164 / 220

163
MAINTENANCE INSTRUCTIONS
E722 E723
BLEEDING OF HYDROSTATIC
STEERING HYDRAULIC CIRCUIT
1. Secure the tractor against any move-
ment 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 hydro-
static steering hydraulic 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.