The front lower arms have been revised with more material added to the area surrounding the hinge pin for increased durability.
22.
Just pull the pin from one or more hinges in the door, insert the rack and and replace the hinge pin.
23.
A down-and-dirty cure is to remove the hinge pin, place it on a hard surface and whack it with a hammer.
24.
Q : The side door entrance to my detached garage has the hinges mounted so the hinge pins are on the outside.
25.
One thing you have to guard against is breaking up of the paint on the barrels, where the hinge pin is inserted.
26.
Lubricate the spindles and roller bearings twice a year with lightweight oil; also squirt a few drops of oil on the door hinge pins.
27.
This keeps the hinge from coming apart, even if someone drives out the hinge pins and tries to lift the door off its hinges.
28.
After all the hinge pins have been removed you will be able to easily lift the door off without damaging the hinges or wood.
29.
A hinge pin is then placed through the two sets of knuckles and usually fixed, to combine the plates and make the hinge a single unit.
30.
Disassembly is somewhat similar to the AR-15, with the working parts accessed by the rifle pivoting open on a hinge pin immediately forward of the magazine well.
