bearing surface across the toggle plate.
4-74. Toggle Seat
The toggle seat located at the base of the pitman is
(1) Place toggle seat in position against the
replaceable. Replace the toggle seat before the toggle
pitman. Grind or chip high spots on the new toggle seat
plate starts wearing into the pitman.
so it lies solidly in the groove in the pitman.
(2) Center the toggle seat on the pitman lining it
toggle seat as follows:
up with the toggle plate.
(2) Insert wedge into the void between the toggle
Thin sheet metal shims are sometimes
seat and the pitman and drive on the wedge from
inserted by the manufacturer to prevent
underneath until the toggle seat loosens.
the toggle seat from dropping out when a
(3) Remove the toggle seat.
toggle plate is installed. If a good fit is
b. Inspection. Inspect the toggle seat for cracks and
obtained without shims leave them out.
excessive wear on one side. Replace a defective part.
(3) Grease the toggle seat and the base toggle
When replacing a toggle plate a new
seat groove before installing new toggle plate.
toggle seat may be required to give full