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Artillery units have been removing pre-fuzed rounds and replacing them with a different model fuze. This practice is prohibited at unit level maintenance and could cause serious injuries.
DODIC C454 and C479 are the most common fuzed cartridges consumed in training.TM 9-1300-251-20&P Lists remove and installation of a fuze that has been pre-fuzed to the projectile as a Depot level maintenance task. Maintenance Allocation Chart for Artillery Ammunition (pg B-17 of TM9-1300-251-20&P )
Group Number: 0304Component/Assembly: b. Nose FuzeMaintenance Function: Remove/InstallMaintenance Level: DepotWhen the unit looks at the Chart, I am sure that they will comment that component/assemblynose Fuze allows for removing and installing of the fuze at the operator or crew maintenance level but component/assemblya nose Fuze does not apply to the pre-fuzed cartridges. C454, M60 Smoke WP rounds are fuzed at the time of manufacture. Units are not authorized to remove fuzes from prefuzed rounds There are two safety rationale for units not removing the fuzes from the pre-fuzed cartridges in the field: 1. The fuzes are staked to prevent any movement of the fuze during transportation for safety purposes. If the round is unfuzed the cartridge is not safe to transport because the original fuze is not installed, and the cartridge is not being transported in the appropriate packaging configuration. 2. Pre-fuzed rounds are torqued to the round more from the manufacture than when a soldier installs them in the field. Removal of a fuze in the field will require more torque causing damage to the fuze, and a possibility of booster breaking off in the fuze well of the round resulting in both the projectile and the fuze becoming unserviceable and an explosive hazard.
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