Siemens Class 87 دليل المستخدم

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For replacement parts information or an application guide, visit
our website at www.sea.siemens.com or contact your local
Siemens sales office.
Instructions 87-HFG
IMPORTANT
THESE INSTRUCTIONS DO NOT PURPORTTO COVER ALL DETAILS OR VARIATIONS IN EQUIPMENT, NOR TO PROVIDE FOR EVERY POSSIBLE
CONTINGENCY TO BE MET IN CONNECTION WITH INSTALLATION, OPERATION OR MAINTENANCE. SHOULD FURTHER INFORMATION BE
May, 2002 Class 87
DESIRED OR SHOULD PARTICULAR PROBLEMS ARISE WHICH ARE NOT COVERED SUFFICIENTLY F

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87-HFG Instructions Page 2 May, 2002 Supersedes April, 2002 2. Periodically examine the contacts - cleaning is not required since the contact material is a special preoxidized silver cad- mium oxide alloy. Replacement is required only when the contact material is almost worn down to the backing. A complete pole consists of stationary and movable contacts and a contact spring. This feature insures proper contact mating which, in turn, provides maximum life. 3. Check magnet poles for foreign d