where do you make adjustments

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It is the responsibility of the installing contractor to install all material in accordance with SDI or HMMA installation standards and tolerances. Out of square frames which are installed out of t...
Out of plumb (also referred to as twisted) frames usually cannot be adjusted. "Out of Plumb or Twisted frames (or jambs)" is a condition created by improper wall construction and/or improper insta...
Regular LCN closers have "3" regulating valves for General Speed, Latch Speed, and Backcheck. If the LCN closer has "4" regulating valves, then the closer has the Delayed Action feature. De...
LCN does not supply Allen wrenches, the size that LCN uses, are standard sizes that every installer will have in their tool kit. 3/32" Allen wrench for adjusting regulation valves: main speed, lat...
The regulation valves are designed to adjust the flow the hydraulic fluid in the closer which regulates the door closing speed through various phases of the closing cycle. The regulation valves h...