Replacing Shear Bolts—Standards

  1. IMPORTANT: Use specified hardware grade to prevent machine damage.

    NOTE: It may be necessary to loosen cap screw (B) to remove shear bolt. Verify cap screw is tighten to specification when completed.

    N78040
    N78040-UN-19OCT07

    Shear Bolt Standard—19 mm (3/4 in.) or
    32 mm (1-1/4 in.)

    N78041
    N78041-UN-19OCT07

    Cushion Trip Standard—19 mm (3/4 in.) or
    32 mm (1-1/4 in.)

    A - Shear Bolt, Grade 5, 5/8 x 5-1/2 in.

    B - Cap Screw Grade 8, 1 x 8 in.

    Replace shear bolt (A) in shear bolt or cushion trip standards with 5/8 x 5-1/2 in. Grade 5 bolt.



  2. Tighten nut to specification.

    ItemMeasurementSpecification
    Shear BoltTorque217 N·m (160 lb-ft)

  3. Tighten 1 x 8 in. Grade 8 cap screw (B) to specification if loosened when replacing shear bolt.

    ItemMeasurementSpecification
    Cap ScrewTorqueN·m 271 (200 lb-ft)

NXE8,M95560,LA-19-20071019