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 Marushin MP40 Basic Reassembly Guide

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Cerwyn
Cerwyn (Site Admin)
Cerwyn (Site Admin)
Cerwyn


Number of posts : 11090
Age : 65
Location / Country : North Wales
Registration date : 2008-07-20

Marushin MP40 Basic Reassembly Guide Empty
PostSubject: Marushin MP40 Basic Reassembly Guide   Marushin MP40 Basic Reassembly Guide Icon_minitimeFri Sep 26, 2008 6:30 pm

Basic Re-assembly Guide.... Marushin MP40 (ABS)


Marushin MP40 Basic Reassembly Guide <a href= Marushin MP40 Basic Reassembly Guide Mp40mo11"


Field Stripping, Cleaning and Inspection of components have already been covered in previous Step by Step Guides so this guide begins with your MP40 already stripped into its component parts, cleaned, lubricated and inspected


Step 1. Detonator Pin and Chamber.

The metal Detonator Pin is a push fit into the plastic Detonator Chamber.
A light spray with WD40 or Silicone Oil will protect both Pin and Chamber.
Simply push the pin back into the chamber to locate.


Marushin MP40 Basic Reassembly Guide Mp40re10

Marushin MP40 Basic Reassembly Guide Mp40pi10



Give the outside surface of the Detonator Chamber a light coating of Silicone Oil or grease, align the notch with its partner on the Barrel tube and slight it in until it seats home. Make sure the notches align.



Step 2. Bolt and Recoil Tube

Simply push the telescopic Recoil Spring tube into the recess in the rear of the Bolt.
Give the Bolt assembly a light coat of WD40, Silicone Oil or Gun Oil, wipe away any excess, only a light coat is required.


Marushin MP40 Basic Reassembly Guide A href=Marushin MP40 Basic Reassembly Guide Mp40bo14

Marushin MP40 Basic Reassembly Guide A href=Marushin MP40 Basic Reassembly Guide Mp40wi10"


Step 3. Upper Receiver.

Lightly spray inside the Receiver Tube oil then push the Bolt and Recoil Tube inside guiding it along the slot. Double check the Charging Handle is set in "Fire" i.e. Red Dot visible otherwise it will not slide through the slot. Check that the Bolt locates over the Ejector correctly.


Marushin MP40 Basic Reassembly Guide Dsc00929


Marushin MP40 Basic Reassembly Guide A href=Marushin MP40 Basic Reassembly Guide Marush28


Marushin MP40 Basic Reassembly Guide A href=Marushin MP40 Basic Reassembly Guide Marush27



Step 4. Assembly of Receiver Halves

Upper and Lower receivers are locked and secured together at 3 points.

First point being by "bayonet fixing" type lugs around the outside of the Upper Receiver and inside the end-cap's ring of the Lower receiver

Assembled / Locked Receiver Bayonet Lugs (stripped for clarity)


Marushin MP40 Basic Reassembly Guide Mp40as10



Upper Receiver lugs...


Marushin MP40 Basic Reassembly Guide Mp40_l10



Lower Receiver Lugs... (note receiver stripped bare for clarity)


Marushin MP40 Basic Reassembly Guide Mp40_i10



Second point is the spring loaded take down pin that locates in a drilled hole on the underside of the upper receiver tube.


Marushin MP40 Basic Reassembly Guide Dsc00210


Third point is the slot cut into the back of the magazine well...


Marushin MP40 Basic Reassembly Guide Mp40ma11

NOTE: This shows Lug part way into the Mag' Well slot


Marushin MP40 Basic Reassembly Guide Mp40_m11


NOTE: This shows Lug fully in the Mag' Well slot


To assemble then,

Holding the Lower Receiver with one hand, slide the Upper Receiver back along the Lowers’ body, the Upper Receiver tilted over at an angle like this so that the Rear sights rest against the Lower Receivers’ body



Marushin MP40 Basic Reassembly Guide Mp40lu11

Note Receivers stripped for clarity

Marushin MP40 Basic Reassembly Guide Pbucket

Squeeze the Trigger and keep it down…
Align the "bayonet fixing" type lug of the Upper receiver tube like this...


Marushin MP40 Basic Reassembly Guide A href=Marushin MP40 Basic Reassembly Guide Marush14



then slide the Upper Receiver back until it locates in the end of the Upper Receivers’ end cap

[Marushin MP40 Basic Reassembly Guide A href=Marushin MP40 Basic Reassembly Guide Mp40tw10

Marushin MP40 Basic Reassembly Guide Twisti10

Twist the Upper Receiver back, anti clockwise into it’s correct alignment to lock the "bayonet fixing" lugs n place and let the trigger go.


Marushin MP40 Basic Reassembly Guide Marush43

Marushin MP40 Basic Reassembly Guide Pbucket


You should hear a satisfying Click as the Sear locates itself in the slot, then twist the locking ring underneath the Lower Receiver allowing it to spring back into place.

Marushin MP40 Basic Reassembly Guide Pbucket

Both halves should now be locked together.
If not, first try twisting both halves a little until your hear a Click.


If this fails, pull apart and try again…


Step 5. Barrel Assembly

First replace the Sling loop and washer.
Push the barrel tube into the Receiver and begin to thread the barrel nut into place.


Marushin MP40 Basic Reassembly Guide Mp40sc11


I find that the nut will just start to tighten well before it’s finally home and at this point twist the barrel tube slowly into correct alignment. Mine clicks when it’s aligned and allows the barrel nut to thread all the way down to tighten.

6. Before going any further, pull the cocking lever back to check it operates properly


Marushin MP40 Basic Reassembly Guide Pbucket

Squeeze the trigger and check free movement of the bolt within the receiver.


7. Insert the magazine. Note that unless you intend to fire your model gun at this point, ensure the magazine is empty.
Magazine springs will weaken and set coil bound if left under tension for long periods.


8. And finally… Wipe your MP40 down with a soft oily rag to get rid of any excess oil and finger prints.


Ref: https://mp40modelguns.forumotion.net/modelgun-stripping-and-rebuild-guides-f12/marushin-mp40-abs-basic-strip-down-and-cleaning-guide-t17.htm Basic Stripdown


Ref: https://mp40modelguns.forumotion.net/modelgun-cleaning-guides-f11/marushin-mp40-abs-basic-clean-lubrication-guide-t38.htm Cleaning & Lubrication


Ref:https://mp40modelguns.forumotion.net/modelgun-cleaning-guides-f11/marushin-mp40-abs-basic-parts-inspection-guide-t39.htm Parts Inspection

Ref:https://mp40modelguns.forumotion.net/marushin-mp40-f16/marushin-mp40-basic-troubleshooting-guide-t1159.htm Troubleshooting Guide

Ref:https://mp40modelguns.forumotion.net/beginner-s-guides-tocartridges-f15/cleaning-and-preparing-fired-cartridges-t931.htm Clean'&Prep'ing Cartridges


Ref:https://mp40modelguns.forumotion.net/beginner-s-guides-tocartridges-f15/loading-marushin-9mm-mp40-uzi-cartridges-t922.htm Loading Marushin MP40 Cartridges



Cerwyn

_________________
Cerwyn

Hobby collector of Replica model guns and Militaria.
also member of Living History Reenactment Groups.


Last edited by Cerwyn on Thu Nov 09, 2017 12:08 pm; edited 12 times in total (Reason for editing : images converted to servimg & text added)
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Cerwyn
Cerwyn (Site Admin)
Cerwyn (Site Admin)
Cerwyn


Number of posts : 11090
Age : 65
Location / Country : North Wales
Registration date : 2008-07-20

Marushin MP40 Basic Reassembly Guide Empty
PostSubject: Re: Marushin MP40 Basic Reassembly Guide   Marushin MP40 Basic Reassembly Guide Icon_minitimeWed Sep 13, 2017 1:03 pm

Updated. More photos to follow

_________________
Cerwyn

Hobby collector of Replica model guns and Militaria.
also member of Living History Reenactment Groups.
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» Marushin MP40 (abs)...Basic Reassembly Guide
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» Basic Troubleshooting Guide... Marushin MP40

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