Edco Disk Grinder 50200 Hd On Off Switch Replacement Repair Guide

Difficulty

Moderate

Steps

Time Required

                          30 minutes - 1 hour

Sections

Safety Precautions
1 step
Power Cord Removal
19 steps
On/Off Switch
6 steps

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BackEDCO Disk Grinder With Fixed Rear Wheel 50200-HD
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Introduction

What you need

Step 1

              Safety precautions

Before you begin, ensure the device is powered down and cool to the touch.
Ensure the machine is unplugged.
Turn the power switch counterclockwise into the OFF position.

Before you begin, ensure the device is powered down and cool to the touch.

Ensure the machine is unplugged.

Turn the power switch counterclockwise into the OFF position.

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Step 2

              Unwrap the power cord

Unwrap the power cord from the device completely.

Unwrap the power cord from the device completely.

Step 3

              Remove the on/off lever screw

Use a Phillips screwdriver to remove the screw securing the red on/off lever.

Use a Phillips screwdriver to remove the screw securing the red on/off lever.

Step 4

              Remove the lever

Remove the red lever from the on/off switch.

Remove the red lever from the on/off switch.

Step 5

Remove the black plastic cap from the center of the switch assembly.

Remove the black plastic cap from the center of the switch assembly.

Step 6

Use a Phillips screwdriver to remove the two screws securing the yellow switch guide to the switch assembly.
During reassembly, ensure this component is installed in the same orientation, with the circle in the 6 o’clock “OFF” position.

Use a Phillips screwdriver to remove the two screws securing the yellow switch guide to the switch assembly.

During reassembly, ensure this component is installed in the same orientation, with the circle in the 6 o’clock “OFF” position.

Step 7

Remove the yellow switch guide from the switch assembly.
Remove the black plastic spacer from underneath the yellow switch guide.

Remove the yellow switch guide from the switch assembly.

Remove the black plastic spacer from underneath the yellow switch guide.

Step 8

              Remove the on/off switch housing

Use a Phillips screwdriver to remove the four screws securing the upper half of the switch housing to the lower half.

Use a Phillips screwdriver to remove the four screws securing the upper half of the switch housing to the lower half.

Step 9

Lift the upper half of the housing straight up off of the lower half.

Lift the upper half of the housing straight up off of the lower half.

Step 10

              Remove the power cord

Use a 3/8 inch socket to remove the bolt securing the power cord loom clamp to the switch bracket.

Use a 3/8 inch socket to remove the bolt securing the power cord loom clamp to the switch bracket.

Step 11

Remove the loom clamp from the power cord.

Remove the loom clamp from the power cord.

Step 12

Use a 11/32 inch socket to remove the four nuts from the on/off switch bracket.
During reassembly, use a Phillips screwdriver in combination with the 11/32 inch socket wrench to tighten the bolts securing the switch to the bracket.

Use a 11/32 inch socket to remove the four nuts from the on/off switch bracket.

During reassembly, use a Phillips screwdriver in combination with the 11/32 inch socket wrench to tighten the bolts securing the switch to the bracket.

Step 13

Lift the switch assembly off the switch bracket.

Lift the switch assembly off the switch bracket.

Step 14

Use a flathead screwdriver to remove the screw securing the two green ground wires to the switch housing.

Use a flathead screwdriver to remove the screw securing the two green ground wires to the switch housing.

Step 15

Separate the green wires from each other and move them away from the switch housing.

Separate the green wires from each other and move them away from the switch housing.

Step 16

Use a flathead screwdriver to loosen the two screws securing the black and white wires running from the power cord to the switch.
During reassembly, ensure each wire in installed in its correct location on the switch.

Use a flathead screwdriver to loosen the two screws securing the black and white wires running from the power cord to the switch.

During reassembly, ensure each wire in installed in its correct location on the switch.

Step 17

Remove the black wire from the switch.

Remove the black wire from the switch.

Step 18

Remove the white wire from the switch.

Remove the white wire from the switch.

Step 19

Use a 1-1/16 inch wrench or an adjustable wrench to loosen the power cord’s strain relief fitting from the switch housing.
Once the fitting is loose enough to turn by hand, twist the power cord and fitting counterclockwise until it is fully unthreaded from the switch housing.

Use a 1-1/16 inch wrench or an adjustable wrench to loosen the power cord’s strain relief fitting from the switch housing.

Once the fitting is loose enough to turn by hand, twist the power cord and fitting counterclockwise until it is fully unthreaded from the switch housing.

Step 20

Remove the power cord from the switch.

Remove the power cord from the switch.

Step 21

              Remove the on/off switch

Use a flathead screwdriver to loosen the two screws securing the harness’s black and white wires to the switch.

Use a flathead screwdriver to loosen the two screws securing the harness’s black and white wires to the switch.

Step 22

Step 23

Step 24

Use a 1-1/6 inch wrench or an adjustable wrench to loosen the wiring harness cable’s strain relief fitting from the switch housing.
Once the fitting is loose enough to turn by hand, twist the wiring harness cable and fitting counterclockwise until it is fully unthreaded from the switch housing.
You may need to rotate the switch assembly itself since the wiring harness cable is connected to the device, preventing it from rotating freely.

Use a 1-1/6 inch wrench or an adjustable wrench to loosen the wiring harness cable’s strain relief fitting from the switch housing.

Once the fitting is loose enough to turn by hand, twist the wiring harness cable and fitting counterclockwise until it is fully unthreaded from the switch housing.

You may need to rotate the switch assembly itself since the wiring harness cable is connected to the device, preventing it from rotating freely.

Step 25

Remove the on/off switch from the auxiliary cable.

Remove the on/off switch from the auxiliary cable.

Step 26

              Reassembly tip

Reassembly tip: ensure the replacement switch is labeled with the correct stickers, matching the old part.

Reassembly tip: ensure the replacement switch is labeled with the correct stickers, matching the old part.

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

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                    Sam Omiotek

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