ARAG Electriccontrol unit for crop-spraing application 871 - Manual (Page 22)

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6 MAINTENANCE / DIAGNOSTICS / REPAIRS
• Disconnect power to the control unit before washing.
• Wear protective gloves, goggles and clothing.
• Do not use high-pressure water jets to wash the outside of the control units.
• Sponge with neutral detergent and rinse.
• Wait until unit is fully dry before restoring electric connections.
• ARAG is not liable for any damage caused to equipment or injury to persons, ani-
mals or things caused by cleaning with unsuitable products. All forms of warranty
are rendered null and void in case of damage to the unit caused by the above.
6.1 Flushing the liquid passages of the electric control units
After every treatment carefully wash the unit channels, flushing with clean water or, if necessary,
water with a specific detergent.
Follow the indications in the table below for the frequency of cleaning:
MANUAL CLEANING FREQUENCY
Cleaning with clean water After each use
Filter cleaning After each use
Filter cleaning (self-cleaning type)
• Closed cock:
after each use
• Open cock:
every month or every 100 hours
Cleaning using a specific detergent Every month or every 100 hours
• Check that gaskets are sealing correctly while washing the unit. Look for abnormal leaks. If any leak
is found, have the unit uninstalled by qualified personnel and bring it to the nearest Service Centre.
• Send the unit to your service centre to be checked over and for the valve gaskets to be replaced,
if necessary, once a year or every 500 hours of operation of the system.
Units must be cleaned thoroughly prior to being sent to a Service Centre for control
or repair.
Should the Service Centre receive a dirty unit, it will have the right to refuse delivery
and repair of the same even if it is covered by guarantee.