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hydrolic door closer adjustment procedure ???

hydrolic door closer adjustment procedure ???

Old 12-15-07, 06:24 PM
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Exclamation hydrolic door closer adjustment procedure ???

large heavy door approz.3ft.x8ft. HOW TO ADJUST CLOSE RATE AT LATCH POINT?

Last edited by floyddees; 12-15-07 at 06:26 PM. Reason: m/s
Old 12-15-07, 06:32 PM
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This would be a commercial closer.

The screws would indeed set the two different close rates but you would need to get the info on which screw was which from the mfr.
What is the approximate age and what is the make and model?
Old 12-15-07, 09:13 PM
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My first guess is you're playing with ADA access. If the closer isn't working properly the appropriate thing to do is replace it. A lawsuit will be more costly than a new closer if someone is hurt due to improper closing force or speed adjustments.

One of the most popular closers for commercial swing doors of that size & weight is LCN series 4000. This closer has been around for years. It has been copied by many manufacturers also. In light of you not knowing the brand, model, or how to, use it as a guide. Find the website; then “Product Catalog Templants”, and finally “Regulation Instructions”.

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