DT189 — Preventive Maintenance
DT 189 - Preventive Maintenance DT 189 - Preventive Maintenance -5 LEC hours per week: 5 Study of preventive maintenance on medium and heavy duty vehicles. Topics include truck classifications, P.M. programs, out of service criteria, wheels and rims, frame and cross-members, trailer maintenance, and coupling devices. Students must be seeking a degree or certificate in Diesel Technology. Course