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 Hudson M3A1 Grease Gun ... Basic Clean & Lubrication Guide

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Cerwyn
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PostSubject: Hudson M3A1 Grease Gun ... Basic Clean & Lubrication Guide   Tue Aug 05, 2008 9:48 am

Basic Clean & Lubrication Guide... Hudson M3A1 "Grease Gun"




Field Stripping has already been covered in a previous Step by Step Guide so this guide begins with your "Grease Gun" already stripped into it’s component parts.

Cartridge cleaning, preparation and loading are also covered at length in their own Section.

Inspection of parts for damage will be dealt with in a separate Guide.

Just like the real steel version, to keep your Grease Gun in good working order you must clean it thoroughly at the end of each session.
Smoke and residue created by the caps igniting leaves corrosive residue throughout the gun so it must be removed to prevent damage.

1. Detonator Pin and Chamber.

The metal Detonator Pin is a secured into the plastic Detonator Chamber by a Grubscrew. After firing, it will be covered in black sooty deposits and will possibly have wet residue due to the Lithium or Silicone based grease used inside the cartridges.
Simply unscrew the grubscrew, then pull the Pin out of the chamber…









Wipe off the majority of the dirt with a rag or paper towel.







Stubborn dirt can be removed with Wire Wool







I usually wash mine with all the cartridges in the UltraSonic cleaner for good measure then Tumble Polish it in the Lyman Polisher.


Ref: Beginner’s Guide to… Cleaning Cartridges


The Chamber needs thorough cleaning to prevent deposits building and clogging it up. A dirty chamber can lead to difficulties extracting and ejecting fired cartridges and subsequent misfires and jams.





A mascara brush is ideal, followed by wiping with a Cotton Wool Bud (Q-Tip). Once the Cotton Bud is clean, a final wash in the UltraSonic cleaner should have it spotless.
Run the Mascara brush or Cotton Bud through the Vent holes in the base of the chamber too.

A light spray with WD40 or Silicone Oil will protect both Pin and Chamber.

Simply push the pin back into the chamber to locate, then tighten the Grubscrew.

2. Magazine.

If left uncleaned after firing, the magazine will be coated in rusty brown deposits from the smoke created by the caps.
Wipe the top of the magazine thoroughly with a damp rag using a little detergent. Stubborn deposits will come off with a stiff brush (toothbrushes work great, but make sure you use your wife’s not your own).





Wipe the inside of the magazine’s feed lips and spring loaded carrier.
Spray the top of the magazine with a little WD40, Silicone Oil, or Gun Oil allowing some to run down into the mag’ body.



Periodically, strip the magazine itself by removing the bottom plate, withdraw the spring and cartridge carrier. Wipe everything clean, re oil and re-assemble.

3. The Barrel

Wipe inside the barrel with a rag or paper towel especially where the Detonator Chamber fits and the Muzzle.


4. Receiver Tube.

This is basically a simple tube so I tend to use a spray on Gun Oil and a rag for this. Wipe the inside of the receiver along its entire length to remove all traces of old oil, soot, dirt and smoke residue.
Wipe the magazine-well thoroughly to remove all traces of dirt.


 





Wipe the Ejector clean, then lightly spray or coat with WD40, Gun Oil or Silicone Oil








Check the trigger mechanism for smooth operation and give everything a thorough wipe down.


6. Bolt and Recoil Spring Guides.

The Bolt assembly slides along 2 metal rods controlled by the two recoil springs.
I generally wipe everything down with a rag, then spray with either Silicone Oil or Gun Oil. Let it soak in awhile then wipe all traces off lifting the dirt away with it.
Once clean, give the whole assembly a spray of either Gun or Silicone Oil.



   




 






For thorough cleaning, remove the Bolt from the Carrier as described in:

Ref:
Basic Stripdown Guide

Lightly spray Gun cleaning oil over the bolt then wipe or brush away all traces of dirt and residue left after firing. Pay particular attention to the Extractor and Bolt Face



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Last edited by Cerwyn on Tue Aug 29, 2017 12:31 pm; edited 3 times in total (Reason for editing : Images updated to Servimg & text updated)
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