Replacing Shear Protection Pins

NOTE: If drill shaft binds due to misalignment, loosen bolts on drill shaft bearings on planting units. Make certain shaft turns freely, then tighten bolts.

NOTE: Replace the shear pin ONLY with shear pin of the same size. Do not replace with other type pins. Extra shear pins (B) for countershaft drives and transmission drive are located on the inside rear of seed transmission.

Replace shear pins (A) at the beginning of each season.

Shear pins may become deformed through normal usage. In this condition, it is possible for the shear pin to eventually fail without a machine malfunction.

Infrequent or improper lubrication causes "binding" of moving parts within the machine. This "binding" will cause the shear pins to shear, thus preventing breakage of machine parts.

A-Shear Pin

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