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RELATED FAQS

Question
Answer
Locate closer and arm from the centerline of the swing clear hinge pin.
The old 4030 series was: Handed Mounted regular arm hinge side. Had sized springs, were not adjustable. The 4033 is an obsolete closer.  If required, handing can be verified by looking at ...
Try the steps below to improve the hold open adjustment. Remove hold open nut  Apply a couple drops of blue loctite to the threads. Re-assemble, and reset hold open. Let loctite set up overn...
ST-2730 is used with a 4110 closer and GJ90 series (up to size 4).  ST-2730 includes a special template and special arm with a -62G shoe and bent forearm. If a drop plate is required, a 4010-18 d...
The LCN -16 and -17 corner brackets are obsolete and no longer available from LCN.
The part number is: 1461-3071 for the door closer cylinder body.
The fluid in an LCN closer must not be refilled in the field. See attached Warranty and Repair Communication 
CE Series door in a variety of embossed panel designs and gages. The CE series embossed panel doors also offer a wide range of specifiable options including sizes, glass light designs and hardw...
The 2030 closer requires a minimum 1-3/8" top rail on the door for the standard track.  For a top rail less than 1-3/8" and as narrow as 1", you could use the l...
High Definition (High Def) door panel designs have deeper shadow lines than conventional CE-Series designs. CE-Series doors are available with optional High Definition (HD2 and HD2A) door panel de...
The 62A shoe is used when it is necessary to install the door closer (lower) down on the door so that it will operate under accessories such as overhead stops, coordinators, etc.
Any LCN Closer that ends in the number 1, will meet ADA 5 lbs opening forces.
The measurements from center line to centerline of the mounting holes are 2-3/8"  x  6-3/4".
STANDARD ROD AND SHOE: 4020, 4031, 1460, 1520, 1370, 1070, 1260, 4640, 4820 is: 8 3/8” LONG ROD AND SHOE: 4020: 4031, 1460, 1520, 1370, 1070, 1260, 4640, 4820 is: 12 3/8” STANDARD ROD AND SHOE: ...
Make sure that the hold open nut is not on upside down.  The orientation of the hold open nut depends on the mounting. On a Top Jamb "Push Side" mount, the hold open nut would poi...
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 recommend this type of installation, and has never sold a coupler to do this.
Because of the new extended LCN warranties and the desire to be consistent across the entire Allegion premium brands, LCN will be moving away from offering an out-of-warranty repair service beginni...
The 4040(XP) door closer can be used as a temporary replacement in a 4630/4640 operator to provide manual control of the door while the 4630/4640 closer cylinder is being repaired or a replacement ...
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...
A 4040 closer mounted with thru bolts on a 2-3/4" thick door would require 1/4-20 X 3-1/2" machine screws.
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...
When placing an order for a 4041/4040XP Rw/PA with hold open, it would be ordered as a 4041 /4040XP Hw/PA. For an existing Rw/PA requiring the addition of a hold open function, a hold open arm woul...