Due to the longer barrel the M224 is heavier than the earlier M2 and M19 light mortars. The gunner repeats all elements given in the fire command. d. The gunner pushes down on the shock absorber and raises the collar assembly. If the primer has not been dented, the firing pin on the mortar should be checked for proper seating and tightened down if needed. 3.6 pounds, 70 meters
The bipod should be connected to either the upper or lower saddle of the barrel. (1) There is mask and overhead clearance. Used for training in limited areas. The M224 is a conventional smoothbore 60mm mortar that was introduced in 1978. (3) On the command MARCH ORDER, squad members take the equipment distributed to them by the squad leader and move. It can fire the same 60mm ammunition as the older M2 and M19, but normally uses newer long range ammunition. The kill radius of the 10-pound HE round is approximately 35 meters. b. He traverses the mortar until the sight picture appears with the left edge of the far aiming post, which is placed exactly midway between the left edge of the near aiming post and the vertical line of the sight. Before the mortar is mounted, the squad must perform premount checks. If the barrel is too hot to be handled, he cools it with water (or snow) and checks it one minute later. The M224A1 is twenty one (21%) lighter in weight while at the same time maintaining the same range, rates of fire and barrel life as the existing M224 mortar weapon system. As soon as the sight data are announced, the gunner places it on the sight, elevates the mortar until the elevation bubble floats freely, and then centers the traversing bearing. FROM FM 23-90, US mortar gunnery manual If an 81/82 MM mortar is used, the mortar round weighs aorund 10 lbs/4.4 kg, with about 2.5 lb/1 kg of explosive. I never saw 60 mm mortar, but have read that it's similar kill radius was 20 meters. Mortar ammunition color codes. The M224 fires 60mm shells at an angle to hit distant targets. If the elevation is between 1100 to 1511 mils, the cannon is mounted in the lower saddle. It has a maximum range of 538 meters and a minimum range of 56 meters. When a large number of cartridges (15 or more for each squad) are prepared before a combat mission, the cartridges may be removed from the shipping container and the propellant increments adjusted. The elevating mechanism is used to elevate or depress the barrel by turning the hand crank at the base of the elevation guide tube. It can fire the same 60mm ammunition as the older M2 and M19, but normally uses newer long range ammunition. 45 to 1,200 meters (charge 3)
a. If dented, the round should not be fired. The cannon assembly is composed of the barrel, combination base cap, and firing mechanism. Safety wires should be reinserted into all cartridges that have been prepared for firing but not used. 70 to 1,340 meters
The ammunition bearer then swabs the bore, and the gunner re-lays the mortar on the previous firing data. c. The ammunition bearer is to the right rear of the mortar. The propelling charge may not function for the following reasons: (1) When a misfire occurs, any member of the squad immediately announces, "Misfire." b. Point-Detonating Fuze, M935. Cold War Figure 3-1. If the round fails to dislodge after trigger firing and kicking, the gunner places the selector switch on SAFE. The gunner bounces the mortar only if the round is between the muzzle and firing pin. © WeaponSystems.net | All rights reserved. To do this, the gunner depresses the barrel until the top of the mask is sighted. "Do not fire." If the primer has been dented, he notifies organizational maintenance IAW unit SOP. With the mortar mounted and the sight installed, the gunner lays the sight on the two aiming posts (placed out 50 and 100 meters from the mortar) on a referred deflection of 2800 mils and an elevation of 1100 mils. The gunner must be sure the round does not strike any obstruction. 1,340 meters
SR The left leg assembly consists of a foot, tubular steel leg, hinge attached to the elevating mechanism housing, locking nut, and fine cross-leveling sleeve. The baseplate, M7, (Figure 3-3) is a one-piece, circular, aluminum-forging base. He then lowers the barrel to its minimum elevation and backs off one-quarter turn. Era c. Before firing, the gunner must remove the safety wire of the M888. The ammunition bearer places the outer edge of the baseplate against the baseplate stake. endstream
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The mortar should be within two turns of center of traverse when the exercise is completed. The gunner checks for heat with his fingertips only, starting just below the muzzle and working down to the base. U.S. Marines assigned to Company L, Battalion Landing Team 3/2, 26th Marine Expeditionary Unit (MEU), conduct a M224 mortar system live fire exercise in the . If the round does not fire, he places the selector switch on SAFE and supports the mortar barrel with sand bags, logs, or empty ammunition boxes to keep the barrel upright and stable. 17.5 degrees field of view)
Complete cartridges being fired should be handled with care. If two misfires occur in a row without the primer being dented, the gunner notifies organizational maintenance IAW unit SOP. It has a standard pull-wire safety that is removed immediately before firing. When the approximate alignment is completed, the gunner signals the squad leader to lower the bipod by pushing down on the mortar. However, this causes the mortar to fly out of the player's hands, like with the. b. SMALL DEFLECTION AND ELEVATION CHANGES. The two service rounds specifically developed for the M224 mortar are the M720 and M888 HE rounds. ,I4a9I (2) In the field, use waterproof bags, ponchos, ground cloths, and dunnage to prevent deterioration of ammunition. Carrying. M224 60mm Mortar. c. The gunners refer their sights to the announced deflection. The M224 was developed in the early 1970's in order to replace the M19 light mortar. Trenches are dug around the ammunition pile for drainage. External Link @ha4 $2q[H0@F9f1#{=O)HqzxB+2">R0 /kR4|fJ[(4+2pGK#VMZVL`UijQnM2X8?(JiPL5g,US
iN,v)(fH9kU }ds Zb1?x^G8`i~n;I`SBCs" A/j?8}r+P#AEROZdIFuL*A[3-7_&OGTN{ 2|w XTit }{XnQ }E5DXs agt--8(P*Q{nGP6ERF. He uses the chain of command to assist him in effecting his command and supervising duties. Contents 1 Description 2 History 3 Ammunition 3.1 Fuzes 4 Gallery 5 See also 6 References He aligns the left edge of the cutout portion of the baseplate with the right edge of the baseplate stake. %PDF-1.5
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He then levels the mortar first for elevation 1100 mils, and then cross-levels. d. Ammunition should always be stored under cover. WP cartridges must be stored with the fuze end up. In most cases, the delay ranges from a split second to several minutes. The right leg assembly has no moving parts. It has a socket in which the barrel can be locked to the baseplate by securing the locking arm. b. Never fire over charge 1 for the M720 or M888 cartridge when using the M224 in the handheld mode. a. Dismounting. Baseplate, M8, 46.5 pounds
56 to 538 meters, 75 meters
33 to 1,630 meters
The mortar can be carried by one or two men for short distances. The round is used against personnel and materiel providing both fragmentation and blast effect. e. The gunner takes the sight out of the case and sets a deflection of 3200 mils and an elevation of 1100 mils. Each squad member is cross-trained to perform all duties involved in firing the mortar. The gunner unlocks the barrel from the baseplate by loosening the locking knob until the barrel can be rotated. To dismount and carry the mortar, the squad leader commands OUT OF ACTION. hWk1WqPola6H(,.=>(%Ymw (5) Without shifting the mortar, refers the sight again to the original referred deflection used to place out the aiming posts. 2611 0 obj
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The M224A1 is easier to use due to its reduced weight. It is either fitted with the M7 baseplate and associated bipod or the lightweight M8 baseplate for handheld use. Action b. The cartridge is blue with white markings and one brown band. The M224 is designed to fire new longer range 60mm ammunition, but can fire the older ammunition of the M2 and M19 as well. b. The mortar allows the player to fire either by pressing the trigger, or having the shells launch immediately after inserting them into the tube. hb```foB cB&@Pa
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The book killing radius for an HE 81 warhead was 35 meters against troops in the open. The squad leader performs the premount checks on the barrel so that--, c. The ammunition bearer is responsible for the premount checks on the baseplate ensuring that--, d. When all pieces of equipment are checked, the gunner notifies the section leader by announcing, "All correct.". The gunner moves the mortar as the squad leader steadies it, attempting to horizontally maintain the traversing mechanism. (2) The gunner relocks the collar with the collar locking knob. 1. 3,490 meters
Hb``$WR~|@T#2S/`M. The elevation change announced must be less than 90 mils and more than 35 mils. 2603 0 obj
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Since the M224 has a longer barrel, firing tables developed for the standard B ammunition are not accurate when standard B ammunition is fired in the M224. P4I3p?Jvv\'juE (1) For a one-man carry, the mortar is in the firing position with the mount attached to the barrel at the lower saddle. (These cartridges should be used first in subsequent firings.). The M224 60 mm Lightweight Company Mortar System (LWCMS) is a smooth bore, muzzle-loading, high-angle-of-fire mortar used for close-in support of ground troops. Ammunition that is wet or dirty should be wiped off at once. The ammunition bearer replaces any safety pins and inspects the primer of the ignition cartridge. The bipod assembly (Figure 3-5) can be assembled to the barrel either before or after assembly of the barrel to the baseplate. He prepares the ammunition and assists the gunner in shifting and loading the mortar. He notifies his squad leader, who in turn requests permission from the section leader to realign the aiming posts. The squad leader places the barrel in the designated dud pit and notifies EOD personnel. The tabulated data of the 60-mm mortar are as shown in Table 3-1. The underside of the baseplate has four spades to stabilize the mortar during firing. He prevents any part of his body from passing in front of the muzzle. A 60-mm subcaliber device can be inserted in the 4.2-inch mortar to fire the M766 (SRTR) for training 4.2-inch heavy mortar platoons. He is positioned to the right of the mortar, facing the barrel. The carrying handle has a trigger, firing selector, range indicator, and auxiliary carrying handle. Two shock absorbers located on the underside of the collar assembly protect the bipod and sight from the shock of recoil during firing. Full Range Practice Cartridges (FRPC): Designation M769. The mortar is a muzzle-loaded, smooth-bore, high-angle-of-fire weapon. On the outside of the barrel is an upper and a lower firing saddle. The underside of the baseplate has four spades to strengthen and stabilize the mortar during firing. HWKsFWHf0xRxTkG"! It is muzzle loaded and drop fired. One crewman ensures that the bore is clean; he swabs the bore dry. The squad leader passes it to the ammunition bearer. If the round still fails to function, he announces, "Misfire." The gunner closes the upper part of the collar over the barrel. Crew training achieves the speed, precision, and teamwork needed to deliver responsive and effective fire on target. First off, the high, but rather leisurely trajectory doesn't make for the precision accuracy required to hit a small target reliably. Each squad member should be capable of performing all the premount checks. Two spring-loaded plungers lock the baseplate to the barrel in its carry position. Procedures for removing a misfire are discussed in paragraph 3-15. b. Hangfire. This procedure is used only when displacement is so great that it is difficult to obtain a compensated sight picture. The number of rounds, type of round, fuze setting, and charge are all included in the fire command. While the Vietnam Era rounds had been improved for range over the WWII rounds, I suspect the killing radius remained pretty much the same. Powder increments that have been removed should be replaced. During peacetime live-fire training, the gunner signals the squad to come forward once the barrel is cool. Baseplate, M7
These weapons only had an effective range of 2,000m (2,187yd). He ensures the barrel is up and pointing downrange. The gunner picks up the bipod with his left hand on the traversing hand crank and his right hand on the dovetail slot. The M720 round with multioption fuze (M734) has four settings--proximity, near-surface, impact, and 0.5-second delay. Attached to the base cap end is a combination carrying handle and firing mechanism. {T(ACr6a9d>nTi(_ Bwr?M*yo[$!C9rXQC9k4N3p"eI5,pzU]eM3$NEA9tYE4X>z'_. If dented, he does not try to fire the round again. Training practice (TP): Designation M50A2/A3. The maximum rate of fire is 30 rounds per minute with 20 rounds per minute being standard. The M225A1 barrel and M170A1 bipod are of a new design and lighter. High explosive rounds fired by the M252 weigh 10 lb (4.5 kg) and can have an effective kill radius of 35 m (115 ft). z9=+Xykm{hNS:Zo6yc!7:#u! >stream
725 to 750 meters (charge 2), 30 rounds for first 4 minutes
(2) For a two-man carry, the M7 baseplate is one load, and the barrel/mount combination is the second load. Any target that requires that elevation or lower cannot be engaged from that position. A hangfire is a delay in the functioning of a propelling charge explosive train at the time of firing. The M224A1 can be identified by its dark green paint, opposed to black on the M224. The M224 60mm Lightweight mortar is a smooth bore, muzzle loading, high-angle-of-fire weapon. The ammunition bearer should cut charges immediately in an FFE mission. The traversing mechanism moves the collar assembly left or right when the traversing hand crank is pulled out and turned. The M224 60mm Lightweight Mortar is a smooth bore, muzzle-loading, high-angle-of-fire weapon used for close-in support of ground troops. 2.5 pounds
If the mortar section is to operate quickly and effectively in accomplishing its mission, mortar squad members must be proficient in individually assigned duties. During peacetime live-fire training, the gunner signals the squad leader to come forward once the barrel is cool. Trigger fire the M720-series rounds with charges 0 and 1 only. Description. This cartridge is fired in the 60mm M224 mortar in the Lightweight Company System. Weight of M225 Cannon. c. Traversing Mechanism. Ranger of the 1st Ranger Battalion firing an M2 60mm mortar , World War II. While the M224 was designed to fire all types of the older ammunition, its primary rounds are of the newer, longer-range type that range out to 3,489m (3,816yd). If a round set for impact fails to burst on impact, it automatically bursts 0.5 (1/2) second after impact (delay). A 60mm subcaliber device can be inserted in the 4.2-inch mortar to fire the M766 for training 4.2-inch heavy mortar platoons. He moves forward of the baseplate about 12 to 15 inches and faces the baseplate on line with the left edge (gunner's viewpoint) of the baseplate. b. Update Added With the muzzle pointing downward, the gunner slightly shakes the barrel to help dislodge the round. Based upon use, the principal classifications of training and service ammunition for the M224 mortar are as follows: (1) High explosive (HE)--Used against personnel and light materiel targets. Ammunition is manufactured and packed to withstand all conditions normally encountered in the field. c. The ammunition bearer picks up the barrel and inserts the spherical projection of the base plug into the socket. If the saddle is changed, the squad leader helps the gunner. Normally the M224 is based on the aluminum M7 baseplate and uses a bipod with lightweight sight unit. g. Spread Cable. e. When the aiming posts appear separated, the gunner cannot correctly use either one of them as his aiming point. c. The squad leader moves into position to the front of the bipod on either knee and grasps the bipod legs (palms out), lifting until the feet clear the ground enough to permit lateral movement. 44 to 1,930 meters
20 rounds per minute indefinitely
The collar fastens in one of the two firing saddles (depending on the elevation being fired), securing the bipod to the barrel. Can be drop-fired or trigger-fired. If the line of sight clears the mask, it is safe to fire. Public domain. If a round set for proximity fails to burst at the proximity distance above the target, it automatically bursts at 0 to 1 meter (0 to 3 feet) above the target. It should be used when the mortar is fired in the handheld mode. If there is no water (or snow), he lets the barrel air cool until it can be easily handled with bare hands. The squad leader picks up and places the sight case and two aiming posts at the exact position where the mortar is to be mounted. d. In laying the mortar for direction, the two aiming posts do not always appear as one when viewed through the sight. The M224 Mortar is an indirect-fire man-portable artillery weapon, and the first such weapon in H3VR. The procedures for removing a misfire are different for handheld and conventional modes.
The complete round consists of a projectile body, a multi-option fuze, a fin assembly four increments of propellant charge, ignition . The M224 can also be converted to hand held mode using only the light M8 baseplate. He tilts the bipod to his left and closes the bipod legs, placing the cable around the legs and rehooking the cable. LWCMS / Lightweight Company Mortar System, 21.1 kg complete system, including regular and auxiliary baseplate, Cookie Consent by Privacy Policies Generator. 1-round chamber This fuze for the M888 HE round can be set to function as superquick (SQ) or delay (D) (Figure 3-10). The vertical cross line of the sight is on the left edge of the aiming post. Ammunition should be protected from mud, dirt, sand, water, and direct sunlight. These type rounds usually fire when trigger fired. It is painted blue. (WlRH44C%74KM v0e)Vav If the fuze has safety pins (other than the M734), he tries to replace them. However, moisture and high temperature can damage ammunition. *7>Y$bhRj 66/'m:tS3jAl]k4mT3,s*ml(|j')RHQ@5\VY}TU`0N^%+a~uiG.=nQ+*\Y)W_=K:WK|Ac8 >F?Ep|%_;u 6:728JGt/=
v.Dj! (3) If the barrel is hot, the gunner cools it with water (or snow) and then rechecks for heat. a. The M224A1 consists of the M225A1 tube, M170A1 bipod assembly, M7A1 baseplate, M8 auxiliary baseplate and the M64A1 sight unit. (4) Training practice (TP)--Used for training in limited areas. The M224 60 mm Lightweight Mortar is a smooth bore, muzzle-loading, high-angle-of-fire weapon used for close-in support of ground troops. M224 Mortar b. (2) The fine cross-leveling nut above the locking sleeve is used for fine leveling. Second, the typical mortar ammunition is designed to produce a shower of fragments, able to ta. (a) Since the mortar is normally mounted in defilade, there could be a mask such as a hill, trees, buildings, or a rise in the ground. If the pins cannot be replaced, the fuze may be armed. M224 60mm Light Mortar Gary's U.S. Infantry Weapons Reference Guide TECHNICAL DATA Complete System Crew 3 . In case of a hangfire, kick the cannon several times to dislodge the round. Place the mortar in the position you want it to be in by slamming the baseplate into the ground. 120mm/122mm has a blast radius of about 60 meters. a. a. When the gunner is satisfied with his sight picture he announces, "Up.". 1. Feed System (3) Without shifting the mortar, refers the sight until the vertical cross line falls on the left edge of the near aiming post. A marking round, M722, and an illumination round, M721, have been type-classified. SQUAD AND SECTION ORGANIZATION AND DUTIES. If on trigger mode, press the trigger to fire. - M170 bipod The M766 short-range training round (SRTR) cartridge can be fired from the 60mm mortar using standard sight and fire control equipment. The gunner releases the latch. Safety checks are performed by the entire squad. The mortar is within two turns of center of traverse. Weapon Type When the bipod is positioned in the lower saddle, one turn of the traversing handwheel will move the barrel 15 mils. "Refer deflection one eight zero zero (1800)." It is muzzle loaded and drop fired. If the round fails to come out once the barrel is lifted, the barrel is lowered back to the horizontal. Tq8&u+a{e>DiB"+ass"DeTZp:Pu90V,MyV(9 HlY,5
d,8Eo(x+Gz08Z 3-12. If performed properly, the carrying handle is on the upper side of the barrel, facing skyward. A faulty firing pin assembly on a 60-mm mortar, M224, requires that the firing pin be tightened upon completion of firing when frequent trigger firing using M720-, M721-, or M722-series ammunition. He mounts the sight to the mortar by pushing the lock latch on the sight inward. The gunner places the selector switch on SAFE and bounces the mortar from at least 6 inches off the ground to dislodge the round. (c) Firing is slowed if mask clearance is checked before each firing. Mortar ammunition is painted and marked with a color code for quick, accurate identification. Roofs or overhanging tree branches can cause overhead interference. The entire squad stays with the mortar. The in-game M224 uses the M8 baseplate, which is smaller and more portable, allowing for firing on the move. The mortar can be fired in the conventional mode or the handheld mode. It is either fitted with the M7 baseplate and associated bipod or the lightweight M8 baseplate for handheld use. With the muzzle pointing toward the ground, the gunner shakes it slightly to help dislodge the round. He continues to traverse and cross-level until the correct sight picture is obtained. He moves to the front of the bipod and faces it, kneels on his right knee with his left hand on the gear case, and loosens the locking nut. The M779 has multioption type (PRX/NSB/IMP/DLY) dummy settings to simulate an M734 multioption fuze. M224 60mm Mortars The M224 60mm mortar is a smooth bore, muzzle loaded, high angle of fire weapon (see diagram below). The ammunition bearer secures the baseplate. The M734 is used for the M720 HE round and can be set to function as proximity burst, near-surface burst, impact burst, or delay burst. Vz}f7)[nYv],)lq7@`Yt/$M[,~Ej1_f)YtL>S8x^6n@X7QN?C7rv$0LR q%KQv2ERWcHek#x"VO4sy\$"V.?%&F#9 =:@6]-0J/R-+RTG9~.1 [4] It entered service with the U.S. Army and replaced the previous 81 mm M29 mortar in 1987. Fouled firing pin or firing pin obstructed by extraneous material. The 60-mm mortar, M224, can be fired in the conventional mode or handheld mode (Figure 3-1). It is removed from the bipod assembly and placed in a designated dud pit. To realign the aiming posts using the sightunit, the gunner--. EOD personnel are notified for removal or disposal. The cable is passed through one of the baseplate openings and wrapped around the barrel. (1) Places on the sight the deflection originally used to place out the posts. c. Cookoff. The gunner announces, "(gun number) up," to his squad leader. It consists of seven subassemblies. The cable is wrapped around the legs and barrel and hooked onto itself with its snap hook. The carrying handle is used to carry the complete mortar. The gunner is on the left side of the mortar where he can manipulate the sight, elevating gear handle, and traversing assembly wheel. He tries to fire the round again. The ammunition bearer receives information in a fire command sent by the FDC and prepares the ammunition for firing. The M224 is a conventional smoothbore 60mm mortar. To make the shift, the gunner places the fingers of his right hand in the muzzle (Figure 3-6) and his left hand on the left leg, and moves the mortar until the vertical line of the sight is aligned approximately on the aiming post. M224 Mortar. (1) The locking sleeve is near the spiked foot. The gunner removes the sight, places an elevation of 0800 mils and a deflection of 3200 mils on the M64 sightunit, and places it in the case. The lower saddle is used when firing at elevations of 1100 to 1511 mils; the upper saddle is used when firing at elevations of 0800 to 1100 mils. Press again to set the mortar to Drop (the shell will fire as soon as it falls into the barrel). The Legacy Mortar Weapon System M224 and newer 60mm M224A1 Lightweight Mortar System are the two 60 mm mortar classifications. The cannon assembly (Figure 3-2) has one end closed by a base cap. Staying clear of the muzzle at all times, the squad leader holds the bipod legs to prevent slippage. He then aligns the center of the bipod assembly with the center of the baseplate. 18.0 pounds
In this case, he continues to lay the mortar as described and does not realign the aiming posts. Each gunner checks his sight picture. (*(%8H8c-
fd9@6_IjH9(3=DR1%? a. Multioption Fuze, M734. a. A one-quarter turn on the adjusting nut equals one turn of the traversing handwheel. Mechanical malfunctions can be caused by a faulty wiring pin or by rounds lodged in the barrel because of burrs, excess paint, oversized rounds, or foreign matter in the barrel. The positions and principal duties are as follows: a. . 15.2 pounds. The rotatable socket cap moves freely and has a light coat of oil. The squad leader is in position to best control the mortar squad. Update #101 Use the ranging dial to identify your range to target (the numbers on the left are for shells with 0 charges, and the numbers on the right are for shells with 1 charge. Figure 3-6. b. Cartridges must be free of such foreign matter before firing. Large deflection and elevation changes. When this is not possible, it is raised at least 6 inches (15 centimeters) off the ground and covered with a double thickness of tarpaulin. d. The gunner levels the mortar for elevation, then cross-levels. c. The second crewman ensures that each round is clean, safety pin is present, and ignition cartridge is in proper condition. +t4*W1cJ]Se'$)%m]&wDS2DK'>8"q\Esz!| /CC Once the barrel reaches the horizontal position, the squad leader extends the meaty portion of his thumbs over the end of the muzzle. The standard B rounds shown in Figure 3-11 are available for training with the M224. The setting can be changed any number of times before firing without damaging the fuze. The type of ammunition selected to engage targets depends on the elevation. The M252 is an adaptation of the British 81mm L16A2 mortar developed in the 1950s. Shock Absorbers. Muzzle-loaded, smooth-bore, high angle-of-fire weapon that can be fired in conventional or hand-held mode. f. Left Leg Assembly. This section discusses the organization and duties of the 60-mm mortar squad and section. He swabs the barrel every 10 rounds or after each end of mission. This fuze for the M720 HE round can be set to function as proximity burst, near-surface burst, impact burst, or delay burst (Figure 3-9). - M8 auxiliary baseplate (for handheld use without bipod) He slides the dovetail on the sight into the dovetail slot on the bipod until firmly seated. A 60mm M224 mortar being set up by Afghan forces in 2013. Then the auxiliary carrying handle is placed in the carrying position. endstream
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3-16. If the baseplate moved during the misfire procedure, the mortar must be reciprocally laid. The M888 is a standard point-detonating fuze (M935) with both impact and 0.5-second delay settings. If on drop mode, the shell will fire as soon as it hits the bottom. This separation is caused by either a large deflection shift of the barrel or by a rearward displacement of the baseplate assembly caused by the shock of firing. about 15m 50% lethal radius for a 60mm shell is considered to be about 15m. Weight of M64A1 Sightunit. A cookoff is a functioning of one or more of the explosive components of a round chambered in a hot weapon, initiated by the heat of the weapon. (4) Once the barrel is cool, the squad leader places his left hand (fingers and thumb extended and together) near the top of the barrel and his right hand on the underside just below the muzzle. It is muzzle loaded and drop fired. The gunner places his left hand on the midsection of the traversing slide and his right hand on the mechanical leg, and he extends the bipod legs the length of the cable assembly. This is a precaution if the charge changes during adjustment. Two pairs of arrows will appear around the barrel. A misfire is a complete failure to fire. (3) The barrel is locked on the collar by the locking knob. He then centers the traversing mechanism and unlocks the collar with the collar locking knob. - M8 auxiliary baseplate (for handheld use without bipod) The. (2) If the round fails on trigger fire, the gunner places the selector switch back on drop fire. e.J#Jb97piz]YvZ/9.KB\|!fU!uTWb;
TjR-}-7U\s6\cUR"K%lO(J&GJ49%H!SV6n=(;Q 67|>@]}^/\h! (5) The gunner continues to raise the barrel so that the base of the barrel is higher than the top. Mortarmen must be aware of the following malfunctions. After the mortar is mounted, the gunner checks it thoroughly.
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