TM 55-2350-224-14M667, M730A2, M901, M901A1, M981, M1015A1,and M1064) is not functioning properly, use theprocedure given in appendix E.b. Check each carrier to ensure all loose itemsare appropriately secured per instructions in therespective operator’s manuals.c. All carriers must be driven only by qualifieddrivers.d. When a carrier is being driven, the driver’shatch cover must be secured in the fully open orfully closed position.e. If a track is thrown while the carrier is inoperation, do not apply brakes unless absolutelynecessary. Instead, let the carrier coast to astop.f. Do not mount or dismount a carrier when it isin motion.g. The driver must bring the carrier to a com-plete stop before entering or leaving a building.h. Anytime carriers are operated in reverse, orwithin 20 feet of a building or other carrier, a“ground guide” must direct driver movement.i. Do not operate the engine in an enclosed areawithout adequate ventilation.j. High voltage in the M19 periscope can causeserious injury. Always connect the power cable tothe periscope before turning the master powerswitch and the infrared (IR) power switch to ON.Never disconnect the power cable from the peri-scope until the image on the screen disappearscompletely.Section Ill. EQUIPMENT DESCRIPTION1-7. Generala. The M113 FOV are fully tracked, self-propelled carriers, and are either thick skinned(armored) or thin skinned (unarmored). The ar-mored variants are derived from the M113A2 orM113A3, and the unarmored are derived from theM548. The M667 guided missile carrier is a specialexception. It is thin skinned, but is not based onthe M548.b. All of the variants are powered by a dieselengine and are supported by a torsion-bar suspen-sion. Various product improvements on some vari-ants have resulted in transmission, suspension,armor, and power upgrades. The carriers vary inheight and weight, but unless otherwise noted,are considered the same for transportability pur-poses.c. The following paragraphs contain the specificadministrative and technical data that affecttransportability for each of the individual carriers.Each subsection contains a vehicle picture and therelating transportability characteristics and datanecessary for safe movement. For transportabilitypurposes, the pictures of the newest versions (Al,A2, and A3) are representative of the older ver-sions.1-7-1. M106, M106A1, and M106A2 (figs1-1 and 1-2). This carrier is designed to trans-port the 107-mm (4.2-inch) M30 mortar and crew.The M30 is mounted on a turntable in the person-nel compartment and is fired to the rear with themortar hatch open. The mortar may be dis-mounted and fired from the ground by using theM24A1 mortar mount thatThe M106 was convertedwas then converted to the1 -2is stored on the carrier.to the M106A1, whichM106A2. The M106A2is capable of Low Altitude Parachute ExtractionSystem (LAPES) operations.1-7-1. M106, M106A1, and M106A2 (figs1-1 and 1-2). This carrier is designed to trans-port the 107-mm (4.2-inch) M30 mortar and crew.The M30 is mounted on a turntable in the person-nel compartment and is fired to the rear with themortar hatch open. The mortar may be dis-mounted and fired from the ground by using theM24A1 mortar mount that is stored on the carrier.The M106 was converted to the M106A1, whichwas then converted to the M106A2. The M106A2is capable of Low Altitude Parachute ExtractionSystem (LAPES) operations.1 - 7 - 2 . M 1 1 3 , M 1 1 3 A 1 , M 1 1 3 A 2 , a n dM113A3 Armored Personnel Carrier (figs 1-3and 1-4). This is a combat troop transporter thatprovides protected transportation for cargo ortroops. Almost all M113’s and M113A1’s havebeen converted to M113A2’s or M113A3’s. TheM113, M113A1, M113A2, and M113A3 are capableof LAPES operations and low velocity air drop(LVAD).1-7-3. M125A1 and M125A2 Armored Self-Propelled 81-mm Mortar (figs 1-5 and 1-6).This carrier is designed to transport the 81-mmmortar and crew. The M125A2 is a product im-provement of the M125A1.1-7-4. M548 and M548A1 Cargo Carrier (figs1-7 and 1-8). This is a full-tracked, unarmored,forward area transport vehicle that provides trans-portation for ammunition and generalThe M548A1 is a product improvementM548.cargo.of the
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