You can then remove the hex wrench and allow the spring to naturally unwind.
How to remove self closing door hinge pin.
Then remove the pin using pliers.
Next lodge a book under the door to keep it from toppling over while you unpin it.
Release the spring pressure and test the closure of the door.
Test the door close rate.
Open and close the door a few times to further distribute the lubricant around the hinge.
Immerse the hinge plate into the water and heat it on a low flame.
Tighten or loosen in small steps.
Then you can remove the pin and move it to another hole.
Find the hole beside the locking pin on the hinge s spring which is usually either at the top of bottom of the hinge s housing.
Using a hex wrench open the spring so you can see the tension pin.
Rotate the locking pin to remove and replace the pin one hole further away from the door.
Do not stir the baking soda.
Maintain your grip on the pin since you ll be putting it back in a different hole right away.
Use a punch in one of the holes around the top and release the tension on the spring.
Use a pliers to remove the plate covering the hinges in order to easily remove the screws holding the hinges on the door.
Once the spring is removed you can take the other screws out and remove the hinge normally.
If i understand your description right these are medium to heavy duty spring hinges and not the kind you d find on a screen door.
To remove a door hinge pin start by making sure you have a hammer a screwdriver and a nail punch or nail set.
To loosen first close the door.
Use small taps on with the hammer to remove the hinge pins.
Simply spray the lubricant into the gaps under the hinge cap the hinge bottom and each of the hinge gaps.
Hold the tension rod against the left side of the slot with your nondominant hand.
You can use a hammer to remove the hinge pins after removing the cover plate but you will also need to be careful to avoid damaging the trim.
Remove the tension pin next to the door with needlenose pliers.
Then use your hammer to push the nail punch up and under the pin until it dislodges.
Boil two to three cups of hot water in a saucepan and add three tablespoons baking powder to it.
In case the trick mentioned above fails and the hinge pin does not budge it is better to remove the hinge plates from its jamb with a screwdriver.
Rotate the wrench until the next hole comes into view and install the pin.