Almost all door closers will have the above two adjustment hydraulic valves but some have additional features which can be adjusted similarly.
Dorma door closer adjustment instructions.
The back check valve if featured will usually be set apart from the first two discussed and may be marked with a b or bc.
Download the instructions from the door closer manufacturer s web site and see if it is installed correctly.
Tips on how to install and get the best performance out of the dorma ts83 dorma ts73 door closers features such as backcheck and delayed closing.
Different door closer manufacturers tend to produce dissimilar products but all door closers have some sort of pressure adjustment.
You can make your door close faster or slower to ensure it latches properly without slamming shut.
The 8900 door closer series designed to provide a highly flexible door control system suitable for institutional or high traffic commercial applications.
It provides the flexibility needed to meet the many demands of commercial and institutional applications including ada barrier free accessibility requirements.
After installation your dorma door closer will need to be adjusted to suit the weight of your door and the needs of the users.
Heavy duty surface applied door closer.
Adjusting closing opening and backcheck on automatic hydraulic door closer ryobi 8000 series.
The 8600 door closer series is a non handed surface applied door closer with adjustable spring power and backcheck positioning adjustment.
Its hydraulic control system features a full range spring power adjustment and backcheck along with a narrow projection full cover and flatform style arm.
How to adjust door closer speed.
Other door closer adjustments.
The theory and practice of door closer adjustment with steps and detailed instructions to adjust the swing of your hydraulic door closer.
Some models have separate adjustments for sweep s which.
There are two speed settings for the closing mechanism.