Full text of “M – Machine Gun Manual – TM ” . MB/MG – Designed as a tripod mounted or bipod supported machine gun for use by. The M, officially the Machine Gun, Caliber mm, M, is the US military designation for .. (×51mm NATO); Maximum effective range: 1, meters with tripod and T&E (the latest FM reads 1, m); Maximum range: 3, meters . MB, MM MACHINE GUN. JANUARY . *This publication supersedes FM , 29 February and FM ,. 26 January.
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Search the history of over billion web pages on the Internet. Distribution authorized to U. Government agencies and their contractors. This publication is required for administration and operational purposes, as determined 9 Jan 1 Other request for this document shall be referred to: They can save your life. Be sure to clear weapon before disassembling, cleaning, inspecting, transporting, or storing.
Rotate usage of the m240h. Doing so may result in injury to, or death of, personnel. Never reload a runaway weapon until it is repaired.
Before firing, make sure the barrel is locked tightly in the receiver. If the barrel is not locked, threads in receiver could be damaged or cause personal injury. gm
M240 machine gun
A hot barrel can burn you. If the barrel is hot, use your heat resistant mitten. If nothing gm ejected and you have a hot gun rounds fired within a 2 minute perioddo NOT open the cover. Place safety to “S” safe, keep weapon pointed down range, and remain away from the weapon for 1 5 minutes.
After 1 5 minutes, clear your weapon WP The climate temperature in different regions will make a difference as to what constitutes a hot gun. A hot, sunny day can cause a cook-off within 50 rounds, weapon and ammunition in the sun. If runaway occurs, always keep machine gun pointed down range.
Always keep weapon pointed down range. Use care when removing excess carbon, carbon may chip off and fly into eyes. Use of rubber gloves is necessary to protect the ttm when washing m240n gun parts. The t cover above the driver and passenger seats should always be in place when firing.
Ground personnel should not be within 1 meters of any vehicle when firing.
All personnel within 20 meters of a weapon firing, shall wear approved single hearing protection devices during training exercises. This is the only ammunition authorized for use in your machine gun. If it is not shown, it is not authorized. Ammunition which fails to fire will be disposed of by authorized procedures. Stay clear of muzzle. Do not allow round to hit any hard surface or it may fire.
Dispose of live round s in accordance with local procedures. The portion affected by this revision are indicated by a vertical line in the outer margin of the page. Dates of issue for original and change pages are: Page thru Page Change No. If you find any mistakes or if you know of any way to improve the procedures, please let us know. The internet address is http: You may also mail, fax, or E-mail your letter or DA Form direct to: The fax number is DSN or commercial A reply will be furnished to you.
Government Agencies and their contractors. This page intentionally left blank.
FM Chapter 3 MB Machine Gun
WP Scope L. WP Corrosion Prevention and Control l. WP Failure to feed Weapon stops firing. WP Reassembly WP Associated Equipment L. This rm is organized to help you quickly find the information you need. List in order all chapters and work package references. List of items that are part of the end item, but are shipped separately. It is not an authorization to requisition replacements.
List of minimum essential items required when weapon is in operation, and to perform emergency repairs. Model Number and Equipment Name: The bipod is integrated into the receiver assembly of the weapon. MD – Designed with front and rear sights, uses 7. MN- Designed with front and rear sights, and configured for mounting on water craft.
Send us an EIR. You, the user, are the only one who can tell use what you don’t like about your equipment. Let us know why you don’t like the design or performance. We will send you a reply. We’ll send you a reply. It is important that any corrosion problems with this item be reported so that the problem can be corrected and improvements can be made to prevent the problem in the future.
While corrosion is typically associated with rusting of metals, it can also include deterioration of other materials, such as rubber and plastic. Unusual cracking, softening, swelling, or breaking of these materials may be a corrosion problem. Use key words such as “corrosion”, rust”, deterioration”, or cracking” will ensure that the information is identified as a CPC problem. The prevention of corrosion on any equipment is important and is critically important for safe functioning of your machine gun.
Marine Corps users render the M inoperable by smashing, schattering, and concealing disassembled pieces. ME1 – Designed with front and rear sights, uses 7. The M Series Machine Gun is gas -operated and fires from the open 2m40b pos ition.
rm Driving Spring Rod Assembly C – Gm energy for returning bolt and operating rod assembly to firing position. Bolt and Operating Rod Assembly D – Provides feeding, m24b, chambering, firing, extraction, and ejection of cartridges using the projectile propelling gases for power. Trigger Housing Assembly E – Controls the firing of the machine gun. Cover Assembly F – Feeds linked belt, positions and holds cartridges in position for stripping, feeding and chambering.
Feed Tray G – Serves as a guide for positioning cartridges to assist in chambering. The receiver houses action of weapon, and controls functioning of weapon through a series m240n cam ways. PN Buttstock and Buffer Assy: Do not mix and match parts for one model configuration to another model. You get the sustained and rapid rates through practice. NOTE Barrel change intervals also apply when firing blank ammunition. Tracer burnout Approximately meters. The rate of fire is controlled by 3 regulator settings setting 1 is preferred.
Settings 2 and 3 are used when carbon build-up, cold weather, or dusty conditions reduce the firing rate. Bolt design permits the cover to be opened or closed, regardless of the bolt position, without damage.
NOTE This design is intended to maintain a consistent rate of fire under adverse conditions and is not to increase the rate of m420b. Gas inlet setting 1 is the preferred setting for normal conditions. If gas regulator plug has been set to setting 2 or 3 to increase firing rate, take corrective action to return to primary setting 1 as soon as possible.
Gas regulator may need to be changed to setting 2 for firing blank ammunition. After cleaning, return to Setting 1 for firing of standard ammunition.
Place safety to “F” fire. Pull charger cable or cocking handle assembly to rear, and ensure bolt locks to rear. Release charger cable or return cocking handle assembly to fully forward m40b locked position. Push in latches to open cover assembly. Remove any ammunition if present. Look into chamber, make sure no mm240b is chambered and area is free of obstructions.
Pull and hold charger cable or cocking fm assembly to rear, squeeze trigger and ease bolt forward to close and lock. Place link belt in feed tray with first round positioned against cartridge stop. Make sure it locks shut.
If weapon is not to be fired immediately, place safety to “S” safe. Place safety to “F” fire immediately prior to firing.