DUFF - Service Manuals
2 manuals available for download
DUFF manufactures a range of industrial machine tools built for demanding workshop environments. Our comprehensive collection of technical documentation includes service manuals, repair guides, and detailed parts lists available as PDF downloads, helping technicians and operators maintain and troubleshoot equipment effectively. Whether you need an owner's manual for daily operation or a workshop manual for in-depth maintenance procedures, DUFF documentation provides the essential reference materials required for reliable machine performance and extended equipment lifespan.
Duff Machine Company Operating Manual
Operating manual for Duff Machine Company machinery dated June 1, 1957. This repair and maintenance guide covers uncrating and initial setup, missing parts verification, safe machine lifting procedures, and comprehensive lubrication requirements including weekly greasing and daily oiling of all moving parts. Details spindle bearing maintenance with sealed grease packing, back gear housing oil specifications calling for No. 50 S.A.E. heavy oil, and spindle brake operation. Provides precise instructions for dialing in variable spindle speeds across both LOW range (85–550 R.P.M.) and HIGH range (450–3000 R.P.M.), back gear control lever positioning, and a thorough pre-operation checklist covering oil level verification and spindle brake release confirmation. Essential reference for proper machine setup, troubleshooting, and day-to-day operation.
Duff Vertical Head Parts List
Technical parts list and diagrams for Duff vertical head machinery. Features cross-sectional views and detailed component layouts with numbered callouts identifying each part and mechanical assembly. Includes exploded views and sectional drawings showing internal structure and assembly relationships. Essential reference for ordering replacement parts, understanding component arrangement, and planning maintenance or repair work on Duff vertical head equipment.