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M1A2 SEPv3 Tank: Use Correct Turret Lifting Kit
By | May 4, 2022
HOT INFO: Maintainers, be aware that the M1A2 SEPv3 tank requires a new turret lifting kit, NSN 2590-01-692-8605. That’s because the new generation M1A2 SEPv3’s turret is heavier and has a different center of balance than the...

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M1A2 SEPv3 Tank: Updated LRM Replacement Procedures
By | April 7, 2022
Maintainers, the replacement procedures for the M1A2 SEPv3 Abrams tank’s line replaceable modules (LRM) have been updated. These updates include the hull control unit (HCU), mission control unit (MCU) and turret control unit...

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M1-Series Tanks: Don’t Walk Underneath Gun Tube!
By | July 19, 2021
Dear Half-Mast, I've heard that you shouldn’t walk underneath the main gun of an M1-series tank because it could suddenly drop and cause a serious injury. However, I’ve only ever seen tank gun tubes drop slowly as hydraulic...

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M1-Series Tanks, Stryker FOV: STORM SLX Not Compatible with RWS and CROWS
By | July 2, 2021
Crewmen, there’s some important info you need to know about the AN/PSQ-23 illuminator, integrated, small arms (STORM SLX), NSN 5855-01-647-6498. That model STORM is not compatible with the remote weapon system (RWS) and...

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M1A2 SEPv2/v3 Tank: EMU Key to Keeping Engine Running
By | July 1, 2021
The M1A2 SEPv2 and SEPv3 tank’s engine memory unit (EMU) needs to work correctly so that critical engine data can be collected and analyzed...

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M1A2 SEPv3 Tank: Keep Engine Timer Powered Up
By | Dec. 2, 2020
Crewmen, it’s critical that you make sure circuit breaker 1 (CB1) on your M1A2 SEPv3 tank’s power interface box (PIB) is turned on at all times. Why? Because the timer that records how many hours your tank’s engine has run is...

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M1-Series Tanks, ABV and Wolverine: Replace DECU Backup Battery
By | Aug. 26, 2020
Replacing a DECU costs about $30,000. But replacing the backup battery costs only around $2,400. As you can see, you can save a lot of money by replacing the backup battery instead of the DECU!...

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M1-Series Tanks: Improved Mine Clearing Blade Emergency Lifting Strap
By | June 26, 2020
There’s an improved version of the emergency lifting strap, NSN 2590-01-278-5726, PN 13228E6020, for the M1-series tank’s mine clearing blade, NSN 2590-01-230-8862...

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M1A2 SEPV2 Tank: Don’t Make a Battery Mix-Up!
By | March 10, 2020
Dear Half-Mast: can you mix Hawker with Exide batteries on the M1A2 SepV2 tank? Either battery comes with NSN 6140-01-485-1472. Also, is it OK to mix new batteries with recharged ones? Click MORE>> to find out the answer...

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M1-Series Tanks: Keep Your Engine Happy and Healthy
By | Dec. 13, 2019
Crew, your M1-series tank’s AGT1500 engine can last a long time with proper care. How long?  The goal is a minimum of 1,400 hours. But with proper maintenance and operation, engines can keep going for much longer than that...

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M1-Series Tanks: Towing? Deflect Heat Damage!
By | Aug. 1, 2019
Crewmen, your M1-series tank’s exhaust gets seriously hot! That’s why when one tank is towing another, the tank that's doing the towing has to use an engine exhaust deflector...