Repainting; Paint Finish Resistant To Sea Air; Touch Up Any Damaged Paintwork - Siemens SIMOTICS XP 1MB1 series Operating Instructions Manual

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Maintenance
9.2 Inspection and maintenance
9.2.16

Repainting

9.2.16.1

Paint finish resistant to sea air

Risk of explosion as a result of processes with high levels of electrostatic charging
Carefully observe the appropriate precautionary measures in order to avoid death or severe
injury.
For paint finish "resistant to sea air" (C4 according to EN ISO 12944-2) for motors
belonging to explosion group III, processes that generate significant levels of electrostatic
discharge are absolutely not permissible. Paint can be electrostatically charged as a result
of intensive dust turbulence or processes with high levels of electrostatic charging.
Electrostatic discharges can occur. Minimize the risk of electrostatic charging by applying
the following effective measures.
• Increase the conductivity of bulk goods and plant/system parts, e.g. by applying an
• Increase the humidity or ionization.
• Reduce the amount of fine particles in bulk goods, e.g. resulting from abrasion.
• Restrict the degree of dispersion, e.g. by selecting plug conveying instead of dilute
• Reduce the flow rate, the mass flow rate or the air velocity.
• Avoid large heaps of bulk goods.
• Transport using gravity is the preferred choice rather than pneumatic transport.
• When pneumatically transporting bulk goods, use conductive hoses in order to avoid
Additional measures are listed in IEC 60079-32-1.
9.2.16.2

Touch up any damaged paintwork

If the paint is damaged, it must be repaired in order to protect the unit against corrosion.
Note
Paint system
Contact the Service Center (Page 163) before you repair any damage to paint. They will
provide you with more information about the correct paint system and methods of repairing
paint damage.
122
WARNING
appropriate coating or paint finish.
phase conveying.
electrostatic discharge.
1LA5/6/7/9, 1LG4/6, 1MA6/7, 1MB..1/2/3/4/5 - SH 63 ... 355
Operating Instructions, 06/2018, A5E44455710A

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