Figure 16-21.--Quick-disconnect procedures.
on which the unit is mounted. Examples of a bell crank
and a walking beam are shown in figure 16-22. The two
are similar in construction and use. The names bell
crank and walking beam are often used
interchangeably.
Idler Arms
Idler arms are levers with one end attached to the
aircraft structure so it will pivot and the other end
attached to push-pull tubes. Idler arms are used to
Figure 16-22.--Bell crank and walking beam.
16-26
