Maintenance
Calibrate the primer pump reversing valve
2018-9015-001
09-2016
● Disengage the hydraulics;
● Close the two ball valves (1) of the
suspension hydraulic hoses;
● Disconnect the suspension
hydraulic hoses and place them
inside the spreader frame;
● Repeat all steps to adjust the
suspension cylinders on the other
side of the spreader.
1
9.30
Calibrate the primer pump reversing valve
If necessary
Note!
Before attempting to calibrate the reversing valve, manually slide the
valve spool in order to remove any particle that could be stuck inside.
Refer to the following steps.
Valve spool
● Connect the hydraulic circuit of the primer pump to the tractor outlets;
● Activate the tractor hydraulic control;
● Close the ball valve (1) to activate the primer pump;
● Push the valve spool firmly by inserting a nail (2) in the opening (3) of the
reversing valve. Repeat this step on the opposite side of the valve. Push the
valve spool several times on both sides;
● Open the ball valve (1) and deactivate tractor hydraulic control.
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7
5
1
6
8
3
2
7
5
4