How to Adjust Spring Loaded Hinges

Follow our helpful process here to make your next project a success and keep your door functioning properly for longer.


Time Required: Icon_Time2_15m_30m_85gray-1 Difficulty: Icon_DiffLevel2_85gray-1


Tools Required

  1. Safety Glasses Icon_SafetyGlasses_85gray-1
  2. Hex Wrench Icon_AllenWrenchSet_85gray-2-1
  3. Pliers Icon_PlierSet_85gray-1

Materials Required

  1. Spring-Loaded Hinge (buy now from Therma-Tru)
  2. CrossPin


Step 1) Determine the Number of Spring Loaded Hinges

determine number of spring

The middle hinge is typically the spring loaded, but could be the lower depending on the configuration.


Step 2) Locate the Hex Adjustment Hole

locate hex

The Hex adjustment may be on the top or bottom, depending on the handing of unit.


Step 3) Insert Allen Wrench

insert allen


With the door closed, insert the allen wrench into the hex adjustment hole.


Step 4) Adjust Tension


If the adjustment end is up - turn the hex key clockwise

If the adjustment end is down - turn the hex key counter-clockwise to the desired tension.

Adjust the hinge to the minimum tension required to close and latch the door.


NOTE: To much tension will reduce the life of the spring


Step 5) Insert the Cross Pin

insert cross pin


Insert the cross ping when the hole and center stud and hinge knuckle line up. Slowly release the pressure on the hex key.


Step 6) Remove Hex Key

remove hex key

Remove the hex key and test the closing of the door. 


REPEAT STEPS 2-6 to increase the spring tension if necessary.



Step 7) Snip off the Cross Pin

snip off


Once your adjustments are complete, snip off the cross pin at the breakaway head to make the tension and adjustment complete.


NOTE: Once the cross pin is snipped, no further adjustment can be made.


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