Before cleaning, be certain the pistol and its magazine contain no cartridges.
The popular .22 Long Rifle cartridge deposits particles of bullet lubricant and powder on the bore, chamber, bolt, receiver, magazine, and other parts of the pistol. Therefore, the frequency and extent of required cleaning is directly related to how much the pistol is fired. There is no fixed rule as to how frequently the pistol should be cleaned. But the alert gun owner soon learns that any semi-automatic firearm functions most reliably when it is free of accumulations of grease and other firing residues.
Basic materials for cleaning are: A cleaning rod of proper size equipped with bristle bore brushes (fiber and brass) and a tip in which a cleaning patch is inserted — Cloth patches — Powder Solvent — Lubricating Oil — Small, lint-free cloths for wiping and oiling — A Toothbrush for scrubbing dirt off the bolt face, extractor, magazine lips, follower, etc.
Some basic hints when using cleaning equipment are: Use the proper size bore brushes and patches — if they are too small they don't do the job; if they are too big they can bind in the bore. When possible, insert cleaning rod from the chamber end of the bore and push the rod all the way thru so that it emerges from the other end of the bore. Don't 'reverse' the rod when a brush or patch is in the barrel — it may bind. Do not use patches that are dripping with solvent or oil. Wet the patches — or bore brushes or toothbrush — then squeeze out excess before using. When using the bore brushes or toothbrush on the bolt face, breech areas, magazine, etc., work carefully so as not to damage components.
To clean the pistol proceed as follows:
1. Remove the magazine and empty it of all cartridges. Separate the cartridges from the pistol before beginning the cleaning operation. Open the bolt and visually check to be certain the chamber and magazine-well (the 'tunnel* in the grip frame where the magazine fits) are free of cartridges.
2. Disassemble the pistol to the extent described in the section of this manual headed, To Disassemble For Cleaning.
3. Using the cleaning rod, run a solvent-wetted patch thru the bore several times. Then attach a solvent-wetted bristle brush to the rod and run it back and forth, the full length of the bore, as many times as is necessary to remove grease and dirt from the bore and chamber. Clean bore with dry patches and examine it. If necessary repeat bore scrubbing. Bore fouling can contribute to reduced accuracy, and grease accumulation in the chamber can interfere with proper feeding of cartridges from the magazine.
4. Using powder solvent on a clean patch, remove powder residue from all components of the mechanism. If grease or dirt cannot be removed by wiping with the patch, then use a solvent-wetted toothbrush. After using the toothbrush, wipe scrubbed areas with a solvent-wetted patch. After cleaning, run a dry patch through the bore, then follow with a patch that is very lightly oiled. Wipe all surfaces clean with cloth, then wipe all surfaces with a patch (or cloth) that has been lightly oiled. Lightly oil all the parts noted above.
5. Reassemble the pistol. If the pistol is to be stored for an extended period, then the final oil-wiping can be a bit heavier so that there will be less tendency for it to evaporate.
6. Clean the magazine by holding the follower down as far as possible. Carefully scrub accumulated grease from the interior front section of the magazine body with a solvent-wetted bristle bore brush. After scrubbing, use a dry patch to clean away the loosened grease and dirt. Finally, very lightly oil the interior and exterior of the magazine. Caution: Be careful and do not scratch the interior of the magazine, particularly along the front section where the bullet tip rides. Also, be particularly careful not to bend the 'prongs' on each side of the magazine lips. If you find it too difficult to hold down and control the follower button directly with your thumb, then position a small piece of wood — a flat-sided pencil will serve — against the side of the magazine and on top of the button and apply thumb pressure to it.
NOTE: Only a very small amount of oil is needed to provide adequate lubrication of moving parts and to prevent rust. Accumulations of oil tends to attract particles of dust and dirt which can interfere with the safe and reliable function of the mechanism of the firearm. Do not apply excess lubricating oil.
At regular intervals, or whenever your automatic pistol has been exposed to sand, dust, extreme humidity, condensation, immersion in water, or other adverse conditions, disassemble it and clean and oil as outlined above. Proper periodic maintenance is essential to the reliable functioning of any firearm.
WARNING: If the pistol has been stored, before firing remove all oil and grease from the bore with bristle brush followed by dry patches, on the cleaning rod.
Do not keep your pistol in a leather holster or case when it is stored. Leather attracts moisture, even though the holster or case may appear to be dry.
WARNING: Never place or store a firearm in such a manner that it may unintentionally be dislodged. A firearm should be stored securely and unloaded.
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