Norton door closers door closer hydraulic aluminum.
													
																	63z0 door closer manual. 
								
	
		
	
																	Changing overhead door closer pressure please subscribe. 
																	How to adjust a door closer illustrated https youtu be bhc dw. 
																	Check out the new illustrated video. 
																	Door closer option b option a regular arm installation top jamb installation 1 arm shoe main arm speed adjusting valves 1 right hand door forearm door closer left hand door arm shoe in door main arm speed adjusting valves forearm diagram for option b hinge or pivot dim. 
															
													
								
	
		
	
																	Available with both regular top jamb and. 
																	A inches mm 3 1 2 6 7 89 152 178 door opening 121 to 180. 
																	The greater range of spring settings provide 17 more adjustment capability to find that sweet spot for for optimal door closing action.