Automatic Tommy 20 Trigger Spring Replacement Repair Guide

Difficulty

Moderate

Steps

Time Required

                          10 - 15 minutes

Sections

Splitting the Gun into Two Halves
2 steps
Ammo Drum
2 steps
Trigger Spring
4 steps

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Introduction

What you need

Step 1

              Splitting the Gun into Two Halves

Locate the orange slider on the front side of the gun.
Pull the orange slider towards the back of the gun while lifting up on the nose the gun.

Locate the orange slider on the front side of the gun.

Pull the orange slider towards the back of the gun while lifting up on the nose the gun.

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Step 2

Remove the single 1/8 in. screw at the junction of the body and the nose using a Philips #00 Screwdriver.
Remove all parts within the chamber to be able to completely detach the nose of the gun.
Be careful to keep track of all the components for reassembly.

Remove the single 1/8 in. screw at the junction of the body and the nose using a Philips #00 Screwdriver.

Remove all parts within the chamber to be able to completely detach the nose of the gun.

Be careful to keep track of all the components for reassembly.

Step 3

              Ammo Drum

Remove the 1/16 in. screws using a Phillips #00 Screwdriver as indicated in the photo on the left.
Remove the 1 mm screw on the battery lid using a Philips #1 Screwdriver as indicated in the photo on the left.

Remove the 1/16 in. screws using a Phillips #00 Screwdriver as indicated in the photo on the left.

Remove the 1 mm screw on the battery lid using a Philips #1 Screwdriver as indicated in the photo on the left.

Step 4

Carefully spread apart the two halves of the gun, and lift out the ammo drum.

Carefully spread apart the two halves of the gun, and lift out the ammo drum.

Step 5

              Split the Gun into Two Halves

Grab both sides of the gun and pull forcefully in an upward and outward motion to remove from the light green stock.
If this is your first time disassembling your gun, the stock will be glued to each half of the gun’s body. To break off the stock from the frame of the gun, you will need to careful wiggle the two halves so that the glue will break apart. The plastic on the gun may break or warp slightly.

Grab both sides of the gun and pull forcefully in an upward and outward motion to remove from the light green stock.

If this is your first time disassembling your gun, the stock will be glued to each half of the gun’s body. To break off the stock from the frame of the gun, you will need to careful wiggle the two halves so that the glue will break apart. The plastic on the gun may break or warp slightly.

Step 6

              Removing the Battery Box

Remove the two 1/16 in. screws attaching the battery box to the frame of the gun using a Phillips #00 Screwdriver.
Lift the battery box off the frame of the gun to give yourself access to the trigger mechanism.

Remove the two 1/16 in. screws attaching the battery box to the frame of the gun using a Phillips #00 Screwdriver.

Lift the battery box off the frame of the gun to give yourself access to the trigger mechanism.

Step 7

              Removing the Screws from the Trigger Mechanism

Remove the two 1/6 in. screws connecting the trigger and trigger spring to the frame of the gun using a Phillips #00 Screwdriver.

Remove the two 1/6 in. screws connecting the trigger and trigger spring to the frame of the gun using a Phillips #00 Screwdriver.

Step 8

Lift the plastic trigger away from the gun along with the attached spring.
Make sure you do not lift the trigger without the spring or the spring may stretch and no longer function properly.

Lift the plastic trigger away from the gun along with the attached spring.

Make sure you do not lift the trigger without the spring or the spring may stretch and no longer function properly.

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

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                    Moira Foster

Member since: 10/09/2014

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Team

                       Cal Poly, Team 6-22, Maness Fall 2014                        

                                                  Member of Cal Poly, Team 6-22, Maness Fall 2014 



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Introduction#

What you need#

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Introduction

What you need

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