Introduction

Is your old circular saw motor just not running well anymore? This guide will help you to remove that pesky old motor and install a new one.

Image 1/2: The grease from the circular saw can stain your towel so a dirty towel or work rag is recommended. Image 2/2: The grease from the circular saw can stain your towel so a dirty towel or work rag is recommended.
  • To ensure that you do not get grease and dirt on your table or floor, lay a towel down before you begin working.

    • The grease from the circular saw can stain your towel so a dirty towel or work rag is recommended.

Add Comment

Image 1/3: There is one 25 mm screw that goes in the hole circled in red. Image 2/3: Unscrew the forked screw head Image 3/3: Lift off the top half of the handle.
  • With your Phillips screwdriver, unscrew all 7 of the 20 mm screws on the handle of the circular saw.

    • There is one 25 mm screw that goes in the hole circled in red.

  • Unscrew the forked screw head

  • Lift off the top half of the handle.

Add Comment

Image 1/2: Remove the remaining half of the handle from the motor by lifting it over the screw that is keeping it in place. Image 2/2: Remove the remaining half of the handle from the motor by lifting it over the screw that is keeping it in place.
  • Unscrew the two wide-head 20 mm screws holding the remaining half of the handle to the motor.

  • Remove the remaining half of the handle from the motor by lifting it over the screw that is keeping it in place.

Add Comment

Image 1/3: Lift the blade over the internally threaded screw and pull it off of the saw. Image 2/3: If the hex washer head screw rotates but does not loosen or if the whole blade rotates as you turn your wrench, giving the wrench a quick jerk should loosen the screw. Image 3/3: If the hex washer head screw rotates but does not loosen or if the whole blade rotates as you turn your wrench, giving the wrench a quick jerk should loosen the screw.
  • Using a crescent wrench, unscrew the hex washer head screw that is holding the blade in place.

  • Lift the blade over the internally threaded screw and pull it off of the saw.

    • If the hex washer head screw rotates but does not loosen or if the whole blade rotates as you turn your wrench, giving the wrench a quick jerk should loosen the screw.

Add Comment

Image 1/2: The blade cover will come off easier if it is facing away from the rest of the saw (see second picture). Image 2/2: The blade cover will come off easier if it is facing away from the rest of the saw (see second picture).
  • Remove the blade cover by applying upward pressure until it unsnaps from the washer.

  • The blade cover will come off easier if it is facing away from the rest of the saw (see second picture).

Add Comment

Image 1/2: Unscrew the five screws as highlighted in the second picture. The bottom left is a 70 mm screw and the other four are 20 mm screws. Image 2/2: Unscrewing the remaining four 20 mm screws are unnecessary unless you wish to repair or replace the cogs in the saw.
  • Unscrew the 70 mm screw that is inside the black tube (see first picture).

  • Unscrew the five screws as highlighted in the second picture. The bottom left is a 70 mm screw and the other four are 20 mm screws.

    • Unscrewing the remaining four 20 mm screws are unnecessary unless you wish to repair or replace the cogs in the saw.

Add Comment

Image 1/2: Image 2/2:
  • The motor will now be loose and you should be able to twist the motor in a counter-clockwise direction until it is able to be pulled off.

Add Comment

Conclusion

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

One other person completed this guide.

Blake Avant

Member since: 09/29/2015

201 Reputation

2 Guides authored

Team

Cal Poly, Team 17-4, Green Fall 2015 Member of Cal Poly, Team 17-4, Green Fall 2015

CPSU-GREEN-F15S17G4

3 Members

3 Guides authored

0 Comments

Add Comment

View Statistics:

Past 24 Hours: 0

Past 7 Days: 1

Past 30 Days: 2

All Time: 97