Emptying The Boom Piping (Option Clean Cut-Off) - Hardi EVRARD ALPHA 2500 Operating And Maintenance Manual

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4- - EMPTYING THE BOOM PIPING ( Clean Cut-off only)
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To prevent draining and depositing of products in the piping and nozzle holders, it is compulsory
to empty the piping with a flow of air
To solenoid valve
1
Air valve
Air gun
Air compressor
Act as follows :
- Close valves n° 1 and n° 3 and close the manual volume-regulating valve to PLUS.
- Close the boom supplies by means of the Regulor
- Open the booms out.
- Open bleed valve (1)
- open one section by one section by using the individuals switches on the joystick to emptying
the section piping
- repeat for all spray boom sections
- Close the air valve (1)
Use a air gun to cleaning the nozzles.
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