horizontal position you should provide support at
two or more points as shown in figure 61. You
should lift larger tubes with a mechanical or motor-
Klystrons must be handled with the same
care as other types of tubes of the same weight and
size. By doing this you can obtain maximum tube
b. Under no circumstances should you lift
life and satisfactory performance from them.
the tube by the output transmission line coupling or
Always read carefully and follow the manufacturer's
the waveguide coupling. These couplings are not
recommendations for handling.
strong enough to support the klystron weight without
precautions which follow are simple and easily
danger of damaging the ceramic window. Do not lift
by coolant pipes or insulated section of the collector.
For internal-cavity klystrons, ordinarily, there is a
a. Because of the shape of the klystron, it
mechanical structure that links the cavities together
is especially susceptible to bending near the center;
to form a strong mechanical unit. This is usually the
therefore, when picking up the klystron in the
best place to lift the tube.
Figure 61. Support klystron at two or more points when lifting.