Settings
AD-P 30/35/4001 SPECIAL BAH0095-2 11.17
135
8.4.5
Pressure relief valve with hexagonal outer contour
Fig. 156
Fig. 157
8.4.5.1
Basic setting of the pressure relief valve
1. Loosen the lock nut (Fig. 156).
2. Completely screw in the bolt with the hexagon socket wrench (Fig. 156/1) (to the right).
3. Using the hexagon socket wrench, unscrew the bolt by 3 turns.
4. Tighten the lock nut.
8.4.5.2
Blower fan speed setting
This setting should only be carried out when the blower fan hydraulic motor is connected to the tractor
hydraulic system and the tractor is not equipped with a flow control valve.
1. Loosen the lock nut (Fig. 156).
2. Adjust the target blower fan speed on the pressure relief valve using the hexagon socket wrench
(Fig. 156/1). Do not exceed the maximum blower fan speed of 4000 rpm.
Blower fan speed
Turning to the right:
increases the nominal blower fan speed
Turning to the left:
reduces the nominal blower fan speed.
3. Tighten the lock nut.