United States Army Technical Manuals

A publication that is one of the two types below.

Equipment technical manuals. A manual that contains instructions on the installation, operation, maintenance, and repair parts and special tools support of related equipment. It also contains related technical information and procedures such as preventative maintenance checks and services, handling of ammunitions, shipment, and administrative storage.
General subject technical manual. A manual that contains technical instructions prepared on various subject areas (other than specific items of equipment or groups of related equipment) such as communications or electronics fundamentals, painting, welding, and demolition to prevent enemy use.