International Harvester 1931-1942 Hammer Mills Manuals ...
Operators Manual (OPT) - The operators manual (a.k.a. Owners manual) is the book that came OEM from the manufacturer when the International Harvester 1931-1942 Hammer Mills was purchased. It gives the owner/operator instructions, shift patterns, capacities (anti freeze, crankcase, oil, hydraulic, etc.) and adjustment procedures (brakes, clutch ...