1. Lubricating the Hinge
Purchase suitable lubricant.
Find the hinge pin.
Remove the hinge pin.
Clean, and Apply lubricant.
Reassemble the hinge.
Verify.
Use a rag or paper towel to clean up.
2. Removing Sticky Hinge Pins
Soak rusty hinges in PB blaster.
Gently tap the end of the pin with a screwdriver.
Repair the pin, if necessary.