Cleaning The Cooling Water Ducts; Touch Up Any Damaged Paintwork; Maintaining Terminal Boxes - Siemens SIMOTICS FD 1LH1 Operating Instructions & Installation Instructions

Maintenance
9.1 Inspection and maintenance
9.1.11

Cleaning the cooling water ducts

To ensure proper functioning of the machine cooling system, the cooling water ducts must be
free of dirt deposits.
● Have the cooling water ducts cleaned by a specialist company. Cleaning devices are
● You can also remove limescale deposits with a commercially available scale solvent.
9.1.12

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 161) before you repair any paint damage. They will provide
you with more information about the correct paint system and methods of repairing paint
damage.
9.1.13

Maintaining terminal boxes

Requirement
The machine is de-energized.
Checking the terminal box
● Terminal boxes must be regularly checked for tightness, undamaged insulation, and tight
● If dust or humidity have infiltrated the terminal box, this should be cleaned and dried
● Check the insulators, connectors and cable connections in the terminal box.
● Replace the damaged components if necessary.
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connected to the coolant connections. Dirt is dissolved and rinsed out through the circulation
of suitable solutions in the cooling water ducts.
terminal connections.
(particularly the insulators).
Check all the seals and sealing surfaces and address the cause of the leakiness.
WARNING
Short-circuit hazard
Damaged components can cause short circuits, possibly resulting in death, serious injuries
and property damage.
Replace damaged components.
SIMOTICS FD 1LH1
Operating Instructions 04/2016