Category: Shifting and Clutch Controls

Pto Shift Conversion For An International 766 Tractor.

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--- "DO IT YOURSELF" ENTRY ------- PURPOSE: Conversion for engaging and disengaging PTO designed for operators who have difficulty turning the upper torso. The original position of the PTO shift on the International 766 Tractor was behind the driver's seat to the left. The operator had to reach behind the seat with the left hand while turning the torso. Conversion places the shift directly to right of the operator. Two different types of linkage have been used. Mechanical linkage, which includes a shaft which extends down through the cab wall just inside the right fender, and a cross shaft across the back of the tractor. Moving the lever causes the cross shaft to rotate and shift the original PTO control linkage. A second type of linkage is hydraulic, using dual-acting master and slave hydraulic cylinders. The PTO shift lever is connected to the shaft of the master cylinder and forces the shaft in and out. The slave cylinder is connected to the last part of the original PTO control linkage. The editors note that the hydraulic linkage provided the superior solution. SKILLS REQUIRED: Metalworking, Assembly, Mechanics, Welding. AUTHOR:Field, W.E. TITLE: Agricultural Tools, Machinery & Buildings for Farmers and Ranchers with Physical Handicaps, Volume 2. REF:Book: Breaking New Ground Resource Center, Purdue University, Dept. of Agricultural Engineering, West Lafayette, IN 47907; p B.6.l. 1991.


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