14
VM 2000
OPERATING MANUAL
EDITION 03 /2007
PART NO. DOC0388871
5.3 EARTHING
Perfect earthing of all system components (workpieces, conveyor, paint supply system,
control unit, spray booth or spraying stand, see illustration) is a prerequisite for optimum
coating effi ciency and safety.
A badly earthed work-piece will result in:
•
Very poor wrap-around
•
Uneven coating thickness
•
Spray-back onto the spray gun, i.e. contamination
The prerequisites for perfect earthing and coating are:
•
Clean workpiece suspension
•
Earthing of spray booth, conveyor system and hangers to the building earth in accor
dance with the operating instruction or the manufacturer‘s information
•
Earthing of all conductive parts within the working area
•
The earthing resistance of the work-piece must not exceed 1 MΩ (Mega Ohm).
•
Connect the control unit to the mains system earth.
7!2.).'
$ISCHARGE OF ELECTROSTATICALLY CHARGED COMPONENTS IN ATMO
SPHERESCONTAININGSOLVENTS
%XPLOSIONHAZARDFROMELECTROSTATICSPARKSORmAMES
%ARTHALLUNITCOMPONENTS
%ARTHTHEWORKPIECESBEINGPAINTED
3)()??'"
7!2.).'
(EAVYPAINTMISTIFEARTHINGISINSUFlCIENT
2ISKOFPOISONING
)NSUFlCIENTPAINTAPPLICATIONQUALITY
%ARTHALLUNITCOMPONENTS
%ARTHTHEWORKPIECESBEINGPAINTED
3)()??'"
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