TM 9-8000
Figure 34-10. Self-Adjusting Mechanisms
(2) The primary shoe self-energizes, and,
(4) The movement of the primary shoe tightens
through servo action, applies the secondary shoe.
the cable by shifting the cable guide out- ward and in the
direction of rotation.
(3) The heel of the secondary shoe is lodged
against the anchor pin.
(5) The cable then moves the adjusting lever
upward. If enough shoe-to-drum clearance TA233862
34-10