Holder A4 VG 40 EP User Manual

Page of 221
 C 9700 ... C 9.88 H
Operating Instructions
118
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Operating the Implements
-
Adjust the desired speed of the engine with the hand
throttle.
-
Go to the rear of the tractor and adjust the hand wheel
(4) of the priority flow valve to the working speed
required for the implement.
Turning counterclockwise increases, turning clockwi-
se lowers the RPM.
-
The servo motor in the implement is fed with an oil
flow of 0 to 25 litres/min.
ATTENTION
If the implement is no longer used, switch
the priority flow valve off with the starting
safety switch to prevent any unnecessary
overheating of the hydraulic oil.
Do not leave the priority flow valve on:
-
when the engine is running without a load connected
to the couplings
-
or not in operation
-
when driving without oil being required
The overheating can damage the hydraulic system.
Turning Off the Priority Flow Valve
-
Turn off the starting safety switch (3). The indicator in
the switch extinguishes.
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