SARGENT Manufacturing 351 UO EN

this short video is a demonstration of how to make adjustments to the holding force of the sergeant 351 EHT solenoid open the door to remove the door closer cover by relaxing the two screws securing the cover to the closer do not completely remove the screws from the closure body on the backside of the cover is a paper instruction that demonstrates simple door closer adjustments set aside being careful not to misplace the screws remove the inspection plate on the track by loosening the three machine screws place the screws in a safe location now loosen the 2.5 millimeter hex lock down screw as shown now turn the knurled wheel clockwise to increase holding force and counterclockwise to decrease the holding force when you have obtained the desired holding force retighten the lockdown screw test the device to ensure the desired holding force meets the requirements of the opening this can b