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SG 552-1 Commando Trigger Replacement

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  1. SG 552-1 Commando Trigger Replacement, Gearbox: étape 1, image 1 de 2 SG 552-1 Commando Trigger Replacement, Gearbox: étape 1, image 2 de 2
    • Using a flathead screwdriver, remove the pin holding the hand guard in place.

    • To remove this, turn the pin clockwise and push it through at the same time.

    • Remove the hand guard.

  2. SG 552-1 Commando Trigger Replacement: étape 2, image 1 de 2 SG 552-1 Commando Trigger Replacement: étape 2, image 2 de 2
    • Using a Phillips #1 screwdriver, remove the two 8mm screws above the hand guard on both sides of the gun.

    • There should be four total.

  3. SG 552-1 Commando Trigger Replacement: étape 3, image 1 de 2 SG 552-1 Commando Trigger Replacement: étape 3, image 2 de 2
    • Turn the gun over so that you are facing the bottom of the gun.

    • Using a Phillips #1 screwdriver, remove the following screws:

    • Remove the 8mm screw that is located directly underneath the cocking lever.

    • Remove the 8mm screw located beside the screw you just removed.

  4. SG 552-1 Commando Trigger Replacement: étape 4, image 1 de 2 SG 552-1 Commando Trigger Replacement: étape 4, image 2 de 2
    • Carefully tug on the tip of the gun and pull the barrel and its cover out.

  5. SG 552-1 Commando Trigger Replacement: étape 5, image 1 de 3 SG 552-1 Commando Trigger Replacement: étape 5, image 2 de 3 SG 552-1 Commando Trigger Replacement: étape 5, image 3 de 3
    • Locate the hand grip.

    • Using a Phillips #0 screwdriver, remove the two 6mm screws at the bottom of the hand grip.

    • Slide the cover off.

  6. SG 552-1 Commando Trigger Replacement: étape 6, image 1 de 2 SG 552-1 Commando Trigger Replacement: étape 6, image 2 de 2
    • Pull the motor out of the hand grip.

    • Using a Phillips #1 screwdriver, remove the two 5mm screws inside of the hand grip.

  7. SG 552-1 Commando Trigger Replacement: étape 7, image 1 de 2 SG 552-1 Commando Trigger Replacement: étape 7, image 2 de 2
    • Locate the pin holding the folding stock in place.

    • Using an allen wrench or something small, carefully push the pin out.

  8. SG 552-1 Commando Trigger Replacement: étape 8, image 1 de 2 SG 552-1 Commando Trigger Replacement: étape 8, image 2 de 2
    • Using a Phillips #1 screwdriver, remove the 20mm screw behind the folding stock and above the gearbox.

    • Remove the cover that was held on by the screw.

  9. SG 552-1 Commando Trigger Replacement: étape 9, image 1 de 3 SG 552-1 Commando Trigger Replacement: étape 9, image 2 de 3 SG 552-1 Commando Trigger Replacement: étape 9, image 3 de 3
    • Using a flathead screwdriver, remove the two 5mm screws beside the safety switch on both sides of the gun.

    • Slide off the piece that was held on by those screws.

  10. SG 552-1 Commando Trigger Replacement: étape 10, image 1 de 2 SG 552-1 Commando Trigger Replacement: étape 10, image 2 de 2
    • Using a small allen wrench, carefully unscrew the screws holding the safety switch in place on both sides of the gun.

    • The screws do not have to be taken out all the way, just slightly loosen them until you are able to pull the switch off.

  11. SG 552-1 Commando Trigger Replacement: étape 11, image 1 de 2 SG 552-1 Commando Trigger Replacement: étape 11, image 2 de 2
    • Using a Phillips #0 screwdriver, remove the two 6mm screws that were underneath the safety switch on both sides of the gun.

    • Carefully remove the pieces that were held on by the screws.

  12. SG 552-1 Commando Trigger Replacement: étape 12, image 1 de 3 SG 552-1 Commando Trigger Replacement: étape 12, image 2 de 3 SG 552-1 Commando Trigger Replacement: étape 12, image 3 de 3
    • Pull apart the cover when pulling the gearbox out.

    • Pull the gearbox out.

    • The gears will fall out when taking the gearbox out. Careful not to lose them.

  13. SG 552-1 Commando Trigger Replacement, Trigger: étape 13, image 1 de 2 SG 552-1 Commando Trigger Replacement, Trigger: étape 13, image 2 de 2
    • Using a Phillips #1 screwdriver, remove the following screws:

    • Remove these four 15mm screws.

    • Remove this single 8mm screw.

    • Using a Phillips #0 screwdriver, remove the following screws:

    • Remove this single 14mm screw.

    • Remove this single 3mm screw.

    • Detach the pieces unscrewed from the gearbox.

  14. SG 552-1 Commando Trigger Replacement: étape 14, image 1 de 2 SG 552-1 Commando Trigger Replacement: étape 14, image 2 de 2
    • Remove the cover over the trigger.

    • Remove the safety piece.

    • Using a Phillips #1 screwdriver, remove the 18mm screw beside the trigger.

  15. SG 552-1 Commando Trigger Replacement: étape 15, image 1 de 2 SG 552-1 Commando Trigger Replacement: étape 15, image 2 de 2
    • Remove the metal piece.

    • Removal of this piece will permanently damage the metal piece.

    • Remove the cover for the gearbox.

  16. SG 552-1 Commando Trigger Replacement: étape 16, image 1 de 1
    • Pull the trigger off the gearbox.

Conclusion

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

Une autre personne a terminé cette réparation.

Anika Morris

Membre depuis le 10/05/12

1 Réputation

4 tutoriels rédigés

Équipe

Cal Poly, Team 18-41, Regan Fall 2012 Membre de l'équipe Cal Poly, Team 18-41, Regan Fall 2012

CPSU-REGAN-F12S18G41

6 membres

6 tutoriels rédigés

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