Din2510 Double End Studs with Reduced Shank with Hexagon Nuts
Din2510 Double End Studs with Reduced Shank with Hexagon Nuts Related Video:
Ganesh Machinery 9-Axis CNC Turn Mill Center manufactured bolt sample. 2” Bar Capacity, “B” Axis & Dual “Y” Axis for both Front and Backworking, 36-Tool Positions with 18-driven tools & 12 for “B” Axis. For more information please visit www.ganeshmachinery.com
Ganesh Machinery came to the rescue with a customer that was machining the AR-15 carrier bolt out of 8620 with a Brinell Hardness of 220. This was a challenging part but Ganesh was able to do the job complete in just one seamless operation, including deburring the major part features on the Ganesh Cyclone-52BY2 9-axis lathe. The “Done-in-One” machining mantra is a focus stradegy that Ganesh Machinery promotes with all of their customers.
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I spent about lots of hours researching and talking to two manufacturers of Sand Filters — Pentair and Hayward, plus I checked out various forums online to make this comprehensive video. It is part one of a three part series I am posting on Sand Filters.
I think I have covered most of the basic problems and tips in this first video. There is great debate (besides the manufacturer recommendations of course) of when to change the sand in the filter and even if the sand has to be changed. I know I was taught many years ago that the sand never needs to be changed in a sand filter and many Professionals and Sand Filter owners agree with that premise.
The manufacturer disagrees and is a staunch supporter or changing out the sand every 4-5 years. For every problem I presented from channeling to lack of filtering efficiency their answer was to change the sand. I mentioned the method of poking the sand with a running garden hose and the manufacturer said that that wouldn’t work. Nor was sticking a hose in the open top of the filter and letting it run for 10-15 minutes necessary as they say that backwashing is sufficient. But I found many Sand Filter owners who did these two tricks successfully and got their filters running much better. The one in the video seemed to do better after I did the process on it — I noticed that the suction increased dramatically (I only did a light rinse with the hose and poked the sand for a minute or two as to not damage the customer’s filter). You need to use caution if you are going to stick the hose into the sand — make sure the water is on low and that you don’t go down to the laterals which are very fragile.
Adding Diatomaceous Earth (D.E.) to the filter to help with the filtration is another trick that I heard of -actually from one of my Subscribers –Dino 
and after some research I tried it on a sand filter and it seemed to work. I also use D.E. to test for leaks in the Laterals of the filter — you can also throw some dirt into the skimmer and see if it comes back into the pool. Of course if you see sand in the pool then there probably is a broken or damaged Lateral — the manufacturer also says that if you see sand it could be from it being ground down due to age or a motor that is too powerful for the filter — 2 HP is not recommended by them as it has been shown to grind the sand down.
Many people on the forums recommend a Filter Cleaner that you can add every year to also help clean out the grease and other contaminants that don’t backwash out well.
If you have any more tips and would like to share them with other sand Filter owners please post a comment and I will approve it and publish it.
Related Videos:
Pool Sand Filter Tips, Tricks & Troubleshooting, Sand Filter Part 1: https://youtu.be/4yXD5O6_1-8
Sand Filter Multiport Valve Troubleshooting, Sand Filter Part 2: https://youtu.be/lXTuw8ODJbU
Air in Your Sand Filter, Sand Filter Part 3: https://youtu.be/QM2PmKq5hYk
Vacuuming Your Sand Filter in Waste Mode, Sand Filter Part 4: https://youtu.be/0vG3Bz3tLM8
How To Use A Filter Cleaner in a Sand Filter, Sand Filter Part 5: https://youtu.be/2wfjltY1Sd0
Hayward Mutliport backwash valve troubleshooting: https://youtu.be/3f6v7IbzjUU
Backwashing a Sand Filter: https://youtu.be/yA4HcOEOi5I
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