This workshop repair service manual covers Volvo Penta sterndrives, specifically the 280, 280T, 280PT, 285, and 285A models. These units are known for their robust engineering and reliability, designed for a wide range of marine applications. This comprehensive guide provides in-depth information to ensure optimal performance and longevity of your Volvo Penta sterndrive. This manual is designed to be an indispensable resource for owners, mechanics, and technicians. It details all aspects of maintenance, repair, and troubleshooting, including scheduled service intervals, lubrication procedures, and detailed component overhauls. With step-by-step instructions, technical specifications, special tool recommendations, and diagnostic procedures for electrical and pressure systems, this manual equips you with the knowledge to effectively maintain and repair your sterndrive.