door closer leaks oil

RELATED FAQS

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There are a few things that can cause a closer to slam. The closer could be adjusted incorrectly. Turn all regulating screws clockwise until they stop. Then open each valve 1 and 1/2 turns. If t...
All Steelcraft Frame, Door and Architectural Stick components will receive one coat of sprayed-on factory paint which is a baked-on, rust-inhibited primer that conforms to the industry standard ANS...
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...
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.
The fluid in an LCN closer must not be refilled in the field. See attached Warranty and Repair Communication 
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 ...
LCN does not recommend this type of installation, and has never sold a coupler to do this.
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 ...