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January 01, 2020 2 min read

Door closers are common on commercial properties, but can also be installed in residential homes. Door closers help reduce energy costs by ensuring that the door always closes completely, and are especially necessary in extremely hot or cold climates. Door closers also help eliminate wear and tear of the door frame, by using a hydraulic arm to gently close the door.

There are many types of door closers on the market, but in general, they function the same way and the installation procedure is similar.

The most common door closer installation method is called regular arm installation. This is when the door closer in installed on the hinge side of an in-swing door.

Door closer exit device sketch


Door Closer Installation Steps


Install Door Closer

  1. Select door opening and mark four (4) holes on door for door closer and two (2) holes on frame for arm shoe.
  2. Drill pilot holes in door and frame for included all-purpose screws or drill or tap for included machine screws.
  3. Install forearm/arm shoe assembly to door frame using screws provided with door closer.
  4. Mount door closer on door using screws provided. SPEED ADJUSTING VALVE MUST BE POSITIONED TOWARD HINGE EDGE.
  5. Install main arm to top pinion shaft, perpendicular to door as shown below. Secure tightly with arm screw/washer assembly provided.
  6. Adjust length of forearm so that forearm is perpendicular to frame when assembled to preloaded main arm. Secure forearm to main arm with screw/washer assembly provided.
  7. Snap pinion cap over shaft at bottom of closer.
  8. Adjust closing speed of door (see below).


top view of door closer installation diagram


Adjust Door Closer Speed

SWEEP speed adjustment is accomplished by full rotations of the speed adjusting valve.

  • Turn the speed adjustment valve CLOCKWISE for a SLOWER CLOSE arc closing speed.
  • Turn the speed adjustment valve COUNTER-CLOCKWISE for a FASTER CLOSER arc closing speed.

LATCH speed adjustments is accomplished by full rotations of the speed adjusting valve.

  • Turn the speed adjustment screw CLOCKWISE for a SLOWER LATCH arc closing speed.
  • Turn the speed adjustment screw COUNTER-CLOCKWISE for a FASTER LATCH arc closing speed.
diagram to adjust sweep and valve of door closer

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