This patient had a recurvatum problem at the knee; so, the posterior shell might have been given to this patient to gain some time until the patient's knee flexors became stronger.
Apply torque to a bolt head only when a torque wrench cannot be used on the nut. After application of torque to a nut, further tightening to align the slot for cotter pin or lockwire is permitted. a. Torque Definitions. Torque definitions are explained In the following paragraphs. (1) Breakaway torque Breakaway torque (table 2-8) is defined as minimum torque required to start the movement of a nut on or off bolt with no axial load on the nut and with the bolt completely through the nut. (2) Friction torque (tare, drag, run on).
You should be referring to your service manual whenever assembling, servicing or maintaining a vital component such as this. The torque sequence for the retaining bolt, for example, is very specific. You will initially tighten the Harley compensator sprocket bolt to 100 foot pounds. Next, make a mark on the bolt and loosen one full turn; or 360 degrees. Finally, tighten to 140 foot pounds. Bob and Mark demonstrate the process for adjusting, servicing and maintaining the front fork on your Harley Touring model.