Hairpin cotter pin 0.0725 inch diameter for securing drive components in Genie garage door openers. Constructed of Steel wire. Dimensions: 0.0725 in diameter wire. Mounting: Inserted through cotter hole in shaft or pin, legs spread to lock. Compatible with Genie residential garage door openers using chain or sprocket drive systems requiring hairpin cotter pin retention.
A: The hairpin cotter pin is inserted through a hole in a shaft or clevis pin to prevent it from backing out, securing components such as chain sprockets, drive shafts, and linkage pins in the opener's drive system.
A: The wire diameter is 0.0725 inches. Always verify against your opener's parts diagram before ordering to ensure dimensional compatibility.
A: Alternate part number 28-34542A has been noted in research as a possible variant designation for this same pin. Cross-reference 28-606E04 has also been noted as a related cotter pin.
A: Cotter pins should be replaced any time they are removed during service, show signs of deformation or corrosion, or are missing from the assembly. They are single-use fasteners and should never be reused after removal.
A: Insert the pin through the cotter hole in the shaft or clevis pin, then spread or bend the legs apart to lock it in place. Do not reuse a previously installed cotter pin.
