BRUEL & KJAER 4809 - Pushrods for Force Transfer

'---
M 12 x 1 Thread z.,z,s
Fig.2.3. Plug for forced air openings
For this reason the threaded plugs for the forced air openings have a
groove cut into them (see Fig.2.3) to facilitate the suspension of the Exciter
by cables or other hangers. The plugs are located along a line passing
through the center of gravity of the instrument.
272125
Fig.2.4. Stand for using Type 4809 in horizontal position
8