overhead stop compatibility

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Question
Answer
The 4640 will have to be mounted to the flush ceiling template.
Using Soss hinges with closers can require special device and preparation locations. If you have questions on specific closer applications, please e-mail your request (including a description ...
A special template is not needed, the closer drops down far enough on the door where it does not conflict with the GJ100 series concealed overhead stop. 
The LCN 4041/4040XP and the Glynn Johnson 90 series can be mounted in conjunction with each other without a special template.  The 4040 door closer is on the pull side of the door and the GJ 90 is ...
A 4040-18G drop plate will be needed to drop the closer and arm down far enough not to conflict with the GJ 90 series overhead stop.