VOS2T
5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN
Phone: +81(6)6659-8201 Fax: +81(6)6659-8510 E-mail: info@m-system.co.jp
EM-4767 Rev.2 P. 4 / 4
MAINTENANCE
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MECHANICAL PARTS
• Check that screws are fastened tightly and if some of
them are loosened, be sure to re-tighten them.
If you find the connecting pin loose, go through “ADJUST-
MENT PROCEDURE” again.
• Inspect visually that the connecting section of levers is
stable and smooth. Check also that the connecting pin
or lever is not worn. If it is, it must be replaced. Consult
M-System or local representative. If the abrasion advanc-
es fairly quickly, there may be a problem in the link mech-
anism (e.g. connecting pin position)
• If the VOS2T is installed outside the building or where it
is subject to water or metallic dust particles, check that
there is no crack or bruise on the gasket. If you find any,
consult M-System or local representative.
• Consult M-System or local representative also for inspec-
tion of packing (O-ring) in the moving parts.
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ELECTRICAL PARTS
• Check first the mechanical parts as above.
• Change actuator positions and input 0%, 25%, 50%, 75%
and 100% signals. Check the output with respective input
value is within allowance indicated in the specifications.
If not, go through “ADJUSTMENT PROCEDURE” again.
LIGHTNING SURGE PROTECTION
M-System offers a series of lightning surge protectors for
protection against induced lightning surges. Please contact
M-System to choose appropriate models.
