Escalator pulley group 17 link 19 link 24 link 32 link aluminum core Sjec escalator rotary chain

In order to ensure the normal operation of the slew chain, regular maintenance and upkeep are required. This includes lubricating the chain at appropriate intervals to reduce friction and wear. You also need to check the chain tension to make sure it is within a reasonable range. Regularly check the chain for wear and replace as necessary.