Primera BAG0175.3
8.4 Adjusting blower fan speed
The blower speed determines the air volume of the air current.
The higher the fan speed, the greater is the air volume generated.
The on-board computer monitors that the fan speed is maintained.
8.4.1 Blower speed table
The fan speed (rpm) is dependent on
• The machine working width (Fig. 100/1)
• The seed
ο Fine seed types, e.g. rape (Fig. 100/2)
ο Grain and pulses (Fig. 100/3).
2800 3500
3100 3900
6.0 / 8.0 / 9.0 3200 3900
(rapeseed)
(grain)
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WARNING
Do not exceed the maximum fan
speed of 4000 rpm.
Actuate the red tractor control
unit
draulic
system:
Adjust the PTO shaft speed
(if necessary, the fan speed
can be reduced using the pre
s-
8.4.2 Adjusting the blower speed on the machine pressure limiting valve
• Pressure relief valve (Fig. 101/1)
1. Remove the protective cover (Fig. 102/1)
2. Release the lock nut.
3. Set the speed using the screwdriver on the
valve by
ο Turning to the right =
increase blower fan speed
ο Turning to the left =
reduce blower fan speed.
4. After making the setting, secure the valve
position with a lock nut and replace the pro-
tective cover (Fig. 102/1).
The blower fan speed is displayed on the
on-board computer.
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