The LCN closer fluid "Liquid X" will perform without variation between:
-30° F to +120° F - for manual closers.
+35° F to +120° F - for electrical closers and automatic operators.
At around ...
The 4110 Cush closer can be templated for 85°, 90°, 100°, and 110° maximum as standard templates.
The 4110 if ordered by ST-3220 will allow templating to 135°
No, LCN does not have an electronic hold open closer (SE/ME Series) that will provide a solid 180° hold open position.
The 3130SE has an adjustable hold open position from 85° to 110° maximum.
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To correctly answer this question, we need to know how much more force is required to get the door closed. They could try turning the Rod & Shoe over (short side of shoe towards the hinge), or they...
If an ME Series closer creeps shut or will not hold open,
Verify proper voltage is being supplied to the closer, if correct
Check the on/off switch. Verify the voltage on the 2 pin co...
A 4110 with AVB (advance variable back check) would be recommended. Using a SCUSH (Spring Cush) arm will also help minimize shock to all door hardware.
If an Size 1 (ADA) closer is set to 5 lbs. opening force, it will only have about 3 lbs. (60/70%) closing force. If the closer will not close against air pressure, but the ADA requirements have to ...