Settings
Cirrus 3/4/6000 DB2034 08.04
65
5.5.2 Setting the fan speed on the oil flow control valve of the tractor
The pressure relief valve (Fig. 99/2) returns oil
volumes, larger than necessary, back into the oil tank
(Fig. 99/2) and unnecessarily heat up the hydraulic oil.
The fan speed is changing until the hydraulic oil has
reached its operational temperature.
At the first use the fan speed should be corrected until
the operational temperature has been reached.
When the fan is operated after a prolonged period of
standstill again the pre-set fan speed will only be
reached when the hydraulic oil has reached its
operational temperature.
On tractors with controllable hydraulic pump (Fig. 99/1)
set the fan speed on the oil flow control valve:
- close the pressure relief valve (Fig. 99/2) (turn
clockwise) and then open ½ turn (see chapter
5.5.3), so that the oil volume is as little as possible.
- set the necessary fan speed on the oil volume
control valve of the tractor.
- The fan speed is shown in the menu machine data
(see chapter 5.5.4) and menu operation.
Fig. 99
5.5.3 Setting the fan speed on the pressure relief valve of the machine
On tractors without controllable hydraulic pump (Fig.
99/1) set the fan speed on the pressure relief valve
(Fig. 99/2) of the machine:
- Remove protective cap (Fig. 100/1)
- Slacken counter nut
- Use a screw driver to set the speed on the valve as
follows:
- Turn to the right = Increase fan speed
- Turn to the left = Reduce fan speed
After setting, secure the valve position using the
counter nut and put on the protective cap (Fig. 100/1).
The fan speed is shown in the menu machine data
(see chapter 5.5.4) and in the menu operation.
Fig. 100
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