How To Repair A Lensatic Compass Repair Guide

Difficulty

Easy

Steps

Time Required

                          10 minutes

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How to Repair a Lensatic Compass
13 steps

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BackModel 3H Cammenga Lensatic Compass
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Introduction

What you need

Step 1

              How to Repair a Lensatic Compass

Using a Phillips #1 screwdriver, remove the four screws in the bottom of the compass.

Using a Phillips #1 screwdriver, remove the four screws in the bottom of the compass.

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Step 2

Use the pocket knife or any flat edge to pop the bottom plate out of the compass.
Handle sharp edges with care.
Take out the dial break which should look like a small piece of plastic.

Use the pocket knife or any flat edge to pop the bottom plate out of the compass.

Handle sharp edges with care.

Take out the dial break which should look like a small piece of plastic.

Step 3

Remove the inner compass.

Remove the inner compass.

Step 4

Clean the inside of the outer compass with a microfiber towel.

Clean the inside of the outer compass with a microfiber towel.

Step 5

Carefully pop the inside lens off using both thumbs.

Carefully pop the inside lens off using both thumbs.

Step 6

Take out the floating dial. Just flip the inner compass over.
Use a pencil and put some graphite on the inside of the center of the floating dial.

Take out the floating dial. Just flip the inner compass over.

Use a pencil and put some graphite on the inside of the center of the floating dial.

Step 7

Use the edge of the pocket knife to sharpen the needle upwards.
Go around the needle and be sure not to push too hard as to create an even worse burr.

Use the edge of the pocket knife to sharpen the needle upwards.

Go around the needle and be sure not to push too hard as to create an even worse burr.

Step 8

Put the floating dial back on the needle.

Put the floating dial back on the needle.

Step 9

Put the inner lens back on the inner compass.
Use your thumbs to pull the rubber flush against the inner lens.
Be sure to line up the black line of the inner lens with what would be the top of the outer compass.

Put the inner lens back on the inner compass.

Use your thumbs to pull the rubber flush against the inner lens.

Be sure to line up the black line of the inner lens with what would be the top of the outer compass.

Step 10

Using small circular motions clean the inner lens.

Using small circular motions clean the inner lens.

Step 11

Put the inner compass back inside the outer piece.
Make sure that the black line lines up with the top of the compass.
Put the dial break, the small plastic piece, back on.

Put the inner compass back inside the outer piece.

Make sure that the black line lines up with the top of the compass.

Put the dial break, the small plastic piece, back on.

Step 12

Put the plate back on the compass

Put the plate back on the compass

Step 13

Screw all the screws back in and you are finished.

Screw all the screws back in and you are finished.

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Author

                                      with 2 other contributors

                    Alexis Barrios

Member since: 02/06/2020

217 Reputation

                                      1 Guide authored                  



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Team

                       Embry-Riddle Aeronautical University, Team S10-G1, Salas Spring 2020                        

                                                  Member of Embry-Riddle Aeronautical University, Team S10-G1, Salas Spring 2020 



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                                            1 Guide authored

Introduction#

What you need#

Team#

Introduction

What you need

Team