Maintenance - YOKOGAWA DY025 User Manual

7. MAINTENANCE

CAUTION
• Disassemble work should be done only for error occurrence.
• Maintenance work must be carried out by expert engineer or skilled personnel and not by operators.
• Before opening the cover, it is important to ensure that at least 10 minutes have passed since the
power was turned off. Furthermore, opening of the cover must also be carried out by expert engineer or
skilled personnel.
CAUTION
• It is prohibited by law for the user to modify flameproof instruments. It is not permitted to add or remove
indicators. If modification is required, contact YOKOGAWA.
• Explosion protected type must be, as a rule, removed to a non-hazardous area for maintenance and be
disassembled and reassembled to the original state.
• For TIIS, ATEX and SAA explosion proof, the display cover is locked by the clamp. In case of opening
the display cover, use the hexagonal wrench attached.
• Be sure to lock the cover by the clamp using the hexagonal wrench attached after installing the cover.
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7. MAINTENANCE
IM 01F06A00-01E