Difficulty

Difficult

Steps

10

Time Required

                          1 - 2 hours

Sections

5

  • Lever assembly
  • 4 steps
  • Housing
  • 2 steps
  • Spindle assembly
  • 1 step
  • Eccentric shaft
  • 1 step
  • Motor
  • 2 steps

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Introduction

This guide is for a Porter-Cable 20V Oscillating Multi-Tool with the model number: PCC710B. This guide will help you replace the motor of the tool.

The motor is the power producer of the tool. A damaged motor can cause the oscillating tool not to turn on.

If you are having issues with the power and turning on your tool, there could be a problem with the switch actuator. The power issue could may be a dirt and debris build-up. You can find fixes to both of these issues here.

  • We recommend working in a well-ventilated area. A small fan near your workstation can help disperse the fumes from the soldering.You’ll also be working with very hot metal so be mindful of letting your work cool down before handling the tool parts!Before beginning this guide, make sure the battery of the tool is taken off, you do not want any power source connected to the device while working on this replacement!

What you need

Step 1

              Lever assembly
  • Place the tool on its side so the orange and white warning label barcodes are facing up.
  • The lever and battery base of the tool should point toward you.

Place the tool on its side so the orange and white warning label barcodes are facing up.

The lever and battery base of the tool should point toward you.

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Step 2

  • Use a 5.5 mm nut driver to unscrew the Hex nut.
  • If the Hex nut is not unscrewing easily- you can use a 3 mm Hex head screwdriver to hold the other side of the screw still.

Use a 5.5 mm nut driver to unscrew the Hex nut.

If the Hex nut is not unscrewing easily- you can use a 3 mm Hex head screwdriver to hold the other side of the screw still.

Step 3

  • Flip the tool over and remove the black screw holding the tool together.
  • Get a good grip on the screw by using pliers to pull the screw out of the tool.

Flip the tool over and remove the black screw holding the tool together.

Get a good grip on the screw by using pliers to pull the screw out of the tool.

Step 4

  • Pinch the lever with your fingers and pull it up and away from the tool. The lever pops right off! You can squeeze on the lever, and it will come off just as easily.
  • When replacing your new lever assembly, make sure the black torsion (the black staple-like hinge) is oriented correctly.

Pinch the lever with your fingers and pull it up and away from the tool. The lever pops right off! You can squeeze on the lever, and it will come off just as easily.

When replacing your new lever assembly, make sure the black torsion (the black staple-like hinge) is oriented correctly.

Step 5

              Housing
  • Lay the tool on its side so that the grey and orange warning labels are facing up upwards.
  • Use the JIS #1 screwdriver to remove the 10 screws holding the tool together.

Lay the tool on its side so that the grey and orange warning labels are facing up upwards.

Use the JIS #1 screwdriver to remove the 10 screws holding the tool together.

Step 6

  • Lift the case off to access the internals of the tool.

Lift the case off to access the internals of the tool.

Step 7

              Spindle assembly
  • The outstretched arms of the spindle will be covered in grease - so grab a napkin to keep your hands clean!
  • Grasp the bottom of the spindle and pull it out towards you.
  • The spindle should come out easily. If not, lightly twist the object left and right while pulling it out.
  • You must grease the new spindle’s arms before the install or else these parts will overheat and break. In addition, you’ll have to maneuver the arms of the spindle around the head of the eccentric shaft. Finally, apply a light force to snap the spindle into place.

The outstretched arms of the spindle will be covered in grease - so grab a napkin to keep your hands clean!

Grasp the bottom of the spindle and pull it out towards you.

The spindle should come out easily. If not, lightly twist the object left and right while pulling it out.

You must grease the new spindle’s arms before the install or else these parts will overheat and break. In addition, you’ll have to maneuver the arms of the spindle around the head of the eccentric shaft. Finally, apply a light force to snap the spindle into place.

Step 8

              Eccentric shaft
  • Gently pull the motor out of the case.
  • To remove the eccentric shaft simply pull it off of the motor.
  • When replacing the eccentric shaft, you must grease it before the install or else it’ll overheat and break. The black fan shaped part of the eccentric shaft should slide onto the thin rod of the motor until it clicks securely.

Gently pull the motor out of the case.

To remove the eccentric shaft simply pull it off of the motor.

When replacing the eccentric shaft, you must grease it before the install or else it’ll overheat and break. The black fan shaped part of the eccentric shaft should slide onto the thin rod of the motor until it clicks securely.

Step 9

              Motor
  • Gently remove the motor with your hands.
  • You’ll have to pull out the circuit board and all of its connections too in order to properly work on the motor.
  • Be gentle, everything will come out easily without much effort.

Gently remove the motor with your hands.

You’ll have to pull out the circuit board and all of its connections too in order to properly work on the motor.

Be gentle, everything will come out easily without much effort.

Step 10

  • You’ll need your soldering equipment for the remaining steps.
  • Desolder the red wire from the motor and then the black wire.
  • Once the solder connection melts, pull the wires from the motor.
  • Once both connections are severed, wait 2-3 minutes for the ends of the wires to cool before handling them!

You’ll need your soldering equipment for the remaining steps.

Desolder the red wire from the motor and then the black wire.

Once the solder connection melts, pull the wires from the motor.

Once both connections are severed, wait 2-3 minutes for the ends of the wires to cool before handling them!

To reassemble your device, follow these instructions in reverse order.

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                    Alex Zapata

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                       Austin Community College, Team 13-3, Watkins Fall 2022                        

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