Daktronics AF-3700-34 RGB - Manual (Page 34)

Maintenance 28
6.3 Annual Inspection
A yearly inspection should be completed to maintain safe and dependable display operation.
The display will need to be opened to visually inspect the cabinet interior and the
components. Refer to Section 6.1 for directions to access the interior. The inspection should
address the following issues:
Inspection item Possible corrective measures
Loose bolts, screws, rivets
• Tighten or replace, as required.
Dust around fans, on
cabinet bottom
• Vacuum or carefully wipe away.
Water intrusion or stains
• Replace weather-stripping.
• Tighten module latches.
• Place silicon sealant around all locations where water might
enter.
• Replace damaged electronic components.
Paint corrosion by footings,
tie points, ground rods
• Check the metal footings for structural integrity.
• Replace and/or repaint as necessary.
• Check ground wire connections at ground rod and ground lug.