TM 9-1275 PDF

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Section 1. Paragraphs INTRODUCTION. 1. Scope. a. This manual is published for the information and guidance of ordnance maintenance personnel. Carefully clean corrosion preventives from materiel received from storage (refer to TM ). b. Instructions for cleaning and lubricating the rifle by using are. Tm – US 30 cal. – Download as PDF File .pdf), Text File .txt) or read online.

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Bar- rels that have pits large enough to cause cartridges to stick In the chamber should be considered unserviceable and should be scrapped. This section contains important general maintenance information which may be applied generally to the group or assemblies covered in the following sections. Check spring plunger for deformation and nose for wear and tours. Check for recessive wear on face, worn or burred locking lugs and cam surfaces, and burred nose at top.

This can be accomplished by wiring the components to the barrel as they are removed. The fre- quency of cleaning depends upon the amount of firing. The weapon is rm after function firing and thereafter on three successive days, using an approved method of cleaning.

If production line procedure is used, keep the barrel and receiver, the operating rod, and the bolt together. In order to bring the lock into correct alinement, proceed as follows: A bend in vertical plane of follower arm will affect the timing of the mechanism.

Dents in edges of blade can often be peened out before smoothing. If this does not remedy trouble, re- place stock with new assembly, refer to paragraph Point of blade should be kept serviceably sharp. Check barrel threads for looseness with barrel. Then drill hole in plugwitha diameter corresponding to minor bottom of thread diameter of screw, centering with prick punch, using butt plate as template.


By referring the serviceability chart, the inspector may readily determine the serviceability of a t, in accordance with its future disposition. The 99-1275 re- moving tool B, fig. Move the sliding sleeve into the gas cylinder plug as far as it will go without touching the bore of the plug. Check for wear and burs on re- tention hook and lug face.

Carefully clean corrosion preventives from materiel received from storage refer to TM Peening should be done lightly and bayonet fitted to lug frequently during process. Check grip screw and t, for looseness, wear, projection above grips, and for burs. Refer to paragraph 3. Where parts or assemblies, or parts of assemblies are broken or so worn as to render them unserviceable, they must be replaced from stock. Remove roughness with fine sharpening stone.

Remove burrs, rough protrusions, or scorings of wood surfaces with a fine, flat file or fine abrasive paper. The bolt should not close on the 1.

Check the locking action. In the older type cover the stiffen- ing ridge was a lateral step-down continuing all the way across the cover. Care and clean – ing. Skip to content. Follow this by diy patches until they come out clean and dry. Tm — US 30 cal.

In the fifth echelon establishments, maintenance operations are usually performed by production line methods. Do not remove the gas cylinder for cleaning.


In the newer or spline type fig. The slide will then snap back into place. A slight pressure with forefinger of left hand, while turning the tool, will twist end of the patch much like the finished end of a hand rolled cigarette, causing patch to be sufficiently secured to the tool to permit neat entry in- to the chamber.


Remove any rust on outside of cylinder, where it contacts barrel, with’ rifle bore cleaner or 9-12755 abra- sive. Check hammer for free pivot- ing on pin, and pin for wear and burs. Also keep the parts for each gun 9-275 and separated from those of 9-175 guns. Extractor removing tool B Stone to a polish onlywith care to levelness and maintenance of angle.


Loading may also be affected, as the catch will not release properly. Take care to file or stone evenly and lightly and not to remove any more metal than is necessary so as not to change to tolerance or contour of the surfaces so treated. Remove any gumminess and apply a very light, uniform coat of oil on the spindle and the sleeve. As a part of all assembly and mounting operations, clean and lubricate all sliding surfaces and threads to assure free movement.

Remove all burrs with a fine file or by stoning and polishing with crocus cloth. Check catch notch for angle of contact with catch hook and for wear and burs. Loops may be spread by placing piece of flat metal between loop and strap and using light hammer.