Rinieri 60790B, Инструкция по эксплуатации и техническому обслуживанию

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S
2
P1
P2
3
4
5
1
2
7
6
- in order to register the cams of maximum opening/closing of the hydraulic cylinder (Fig.8) of the plant avoiding
arms (Fig.9), proceed as follows:
With the machine connected or disconnected to the spent tractor, unscrew the tubes (Fig.10) of the hydraulic cylinder
on the side of the commando block and let the oil flow out into a collection tank.
Also empty the inside of the hydraulic cylinder by opening and closing it a few times manually by moving the arms.
Remove the stopper (Fig.4) of the lower cam (Fig.27, Table 2) and loosen the screw (Fig.26 Table 2).
With the head in an open position and the hydraulic cylinder completely closed mechanically, manually move the
plant avoiding arms in order to lengthen the cylinder’s piston rod S by 3 cm..
By using the key (Fig.7) that is still inserted into the screw, turn the cam until the proximity sensor P4 results turned
on, tighten the screw of the cam and put back into position the stopper, then let the sensor go.
Pay particular attention to stopping the rotation of the cam and tightening it with the screw the moment the light of the
sensor turns on.
In the same way, for the upper cam, with the head in a closed position and the hydraulic cylinder completely opened
mechanically, shorten the piston rod of the cylinder S by 3 cm., then turn the cam until the proximity sensor P3 results
turned on
Check the correct registration in relation to the lengthening of the cylinder’s piston rod.
From a closed position to -3 cm. the proximity sensor P4 has to result turned on.
From -3cm. in closing to -3 cm. in opening the proximity sensors P4 and P3 have to result turned off.
From -3 cm. to an opened position the proximity sensor P3 has to result turned on.
It is important that the proximity sensors of maximum opening/closing of the hydraulic cylinder are activated before
the cylinders arrive at their mechanical maximum position as, in the long run, the repeated stress might cause their
earlier deterioration.
Reconnect the cylinder’s tubes to the commando block and refill the hydraulic system with the collected oil.
With the machine connected to the running tractor, activate the movements of the hydraulic system in order to refill
the circuit of the cylinder.
S
10
4
P3
9
8
P4
7
The two independent commando blocks have a general maximum pressure valve (Fig.1) tared at 120 bar.
The movement speed can be modified proportionally by using the adjustable flow divider (Fig.2).
By increasing the speed of the plant avoiding movement made by the parallelogram group the speed of the lateral
extensions is reduced and the other way round.
There are a maximum pressure valve for the movements (Fig.3), and a shockproof maximum pressure valve only for
the parallelogram group (Fig.4).