clueless 3,325 #1 Posted August 31 Did the mid '70s C-120 hydro have the release valve hydro, it has the manual lift. Share this post Link to post Share on other sites
ebinmaine 75,082 #2 Posted August 31 Yes. AFAIK all the Sundstrand had the tow valve 1 Share this post Link to post Share on other sites
pfrederi 19,099 #3 Posted August 31 Location changed over time but they all have one 2 Share this post Link to post Share on other sites
John c 129 #4 Posted 11 hours ago How much resistance should you feel when turning one of these valves ?? hand tight? pliers, wrench needed ? I'm getting into a B100 auto right now and I'm curious what I'm going to encounter Share this post Link to post Share on other sites
Bar Nuthin 1,664 #5 Posted 6 hours ago (edited) 5 hours ago, John c said: How much resistance should you feel when turning one of these valves ?? hand tight? pliers, wrench needed ? I'm getting into a B100 auto right now and I'm curious what I'm going to encounter I think a B-100 will either require a screwdriver or a 3/8" wrench. Some of them can be stuck pretty tight the first time you try to open them (from non-use, I imagine). If so, work it back and forth little by little until it frees up. I've found that moderately snug is sufficient when closing it for use. One turn counterclockwise for freewheel. Edited 6 hours ago by Bar Nuthin Share this post Link to post Share on other sites
