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Things You'll Need
Instructions
Place the UPS face down on the work surface. Remove the battery compartment lid. Pull the battery out of the compartment. Remove the two leads from the battery̵7;s contact points. Place the battery aside.
Remove the screws from the bottom of the UPS with a Philips screwdriver. Pull the two sections of the UPS apart.
Place the section of the UPS that has the circuit boards in front of you. Remove the screws from around the circuit board with the Phillips jeweler̵7;s screwdriver. Pull the circuit boards out of the UPS.
Heat up the soldering iron for 5 minutes. Place a heat-resistant pad on the work surface. Place the circuit board face down on the pad.
Apply the tip of the soldering iron to each of the soldered contacts to soften them. Pull each of the components off the circuit board once the solder has been loosened using plastic tweezers. Separate the "LM317" labeled component, the r-linked set of fuses and one of the heat sinks from the other components.
Place the "LM317" labeled component on the heat-resistant pad with the three pins facing left. Solder an end of the 3-linked set of fuses to the center pin of the LM317. Let the solder cool for a minute.
Cut two 10-inch lengths of electrical wire from the electrical wire spool with a wire cutter. Strip 1/2 inch from each end of each of the wires with a wire stripper.
Solder an end of one of the wires to the outer pin on the LM317 that is closest to you. Let the solder cool for a minute. Label the other end of the wire "+" with the pen.
Solder an end of the other wire to the outer pin on the LM317 that is farthest from you. Let the solder cool for a minute. Label the other end of this wire "-." Solder the free end of the fuses to this pin also. Let the solder cool for a minute.
Place an end of one of the heat sinks beneath the right side of the LM317. Run a screw through the hole in the LM317 and into the hole in the heat sink. Tighten the screw with a Phillips jeweler̵7;s screwdriver.