Report this forum post

Is there safety down valve or piston and spring in the bottom of the lift cylinders? I had a 7F model with the piston/spring bad causing that problem.
  • Posted 21 Jul 2011 09:27
  • By mrfixit
  • joined 11 Dec'08 - 1,434 messages
  • New York, United States

This is ONLY to be used to report flooding, spam, advertising and problematic (harassing, abusive or crude) posts.

Indicates mandatory field
Upcoming industry events …
November 4-6, 2025 - Jaarbeurs, Netherlands
November 14, 2025 - Melbourne, Australia
December 10-11, 2025 - Louisville, United States
Fact of the week
The word "robotics" was coined by Russian-born American science-fiction writer Isaac Asimov who first used the word in 1942 in his short story 'Runabout'. He characterised robots as helpful servants and as "a better, cleaner race."