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  • Calibre PA Surface Door Closer.  Hole Spacing H 8 3/16" X H 3/4


Complies with ANSI A156 4 Grade 1

Underwriters Laboratories Inc. Listed. Listed for UL10C and certified to conform to UBC 7.2 (1997) BS476 for Fire Safety

Dual Speed Control Valves:

closing and latching speeds controlled by separate regulatin valves. fully adjustable after installation

has adjustable back-check function controlled by separate regulating valve, fully adjustable after installation

universal application, non-handed for standard, top jam, parallel arm installation

CA8850 and CA8880 series are fixed spring door closers with no spring power adjustment

rack and pinion control mechanism contained in a high tensile precision die cast aluminum housing

stable hydraulic door check fluid for any climatic operation and provides onstant lubrication

furnished with regual arm. hold-open and fusible lin hold-open arm optional

hold-open arms are adjustable from 100 degrees to 180 degrees of door opening

attractive baked finishes



Guidance for the Maintenance of Hydraulic Door Closers


Range in General All of the Calibre commercial grade hydraulic door closers have two (2) speed adjustment valves (closing speed adjustment valve, and latching speed adjustment valve).  Additionally, some models have a separate Back-Check (BC) adjustment valve.  When properly maintained these door closers are capable of providing many years of reliable service.  As with any door hardware, lack of proper maintenance and physical abuse will lead to a shorter life span and may impair the operation of the product.  It is imperative that door closers receive proper and regular maintenance in accordance with the recommendations outlined in this document.  It is recommended that a company competent in the maintenance of doors, door closers, and architectural hardware should carry out maintenance beyond the monthly checks as well as any trouble-shooting.


As with any architectural product, the frequency of operation and the environment of the application will influence the frequency of maintenance.  A door closer installed outdoors on a gate, or in a corrosive environment such as a swimming pool, close proximity to the ocean salt air, as well as high usage, will require the maintenance interval to be increased accordingly.


Maintenance Procedure


Important Note Door Closers have a large compressed spring(s) contained within the body casting.  This compressed spring can cause severe damage and bodily injury if the spring is inadvertently  released.  Under no circumstances should the door closer body casting be tampered with, or opened in any manner that will release the compressed spring.





■The door closer should be inspected for any visible door check oil leakage.  If any oil leakage is observed, or the door is closing too fast in an uncontrolled manner (a result of significant oil leakage) the door closer should be immediately replaced.
■All screws and fasteners securing the door closer to the door or frame, and screws connecting the door closer arm assembly should be checked and fastened securely, with no play or looseness.
■The closing speed and latching speed of the door closer should be checked to assure the door is closing neither too fast, nor too slow.





■If the door is not fully closing, or the final latching is impeded in any way, check to see if the door has dropped, or settled.
■If applicable, check the closing and latching speed of the door closer to be properly adjusted so as to overcome the resistance offered by the strike and door seals, or weather-stripping.
■If in doubt regarding any matter, call a company competent in door maintenance and repair.


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Product Description

Calibre Door Closer CA8853P   $51.50

The CA8853P door closer is a heavy duty (grade1) fixed spring door closer for use in standard, top jamb, or parallel arm installations. The closer features dual valve adjustment to control the closing and latching speed of the door. The overall length of the closer is 8 7/8 inches, and the overall height of the closer is 4 3/4 inches. The horizontal mounting hole centers are 8 3/16 inches and the verticle mounting hole centers are 3/4 inches. An optional adjustable hold open arm is available. Finishes are available in aluminum (AL) and duranotic bronze (DU).