Vaisala LT31 - Figure 99 Lower Interface Unit Cover; Figure 100 Hooking-In Upper Interface Unit Cover

Chapter 4 _______________________________________________________________ Installation
VAISALA ______________________________________________________________________ 143
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Figure 99 Lower Interface Unit Cover
The upper interface unit cover can be mounted without any tools.
Hook-in the upper interface unit cover by lowering the cover vertically so
that the screws in the cover slide into the corresponding notches of the
mast construction. See Figure 100 below.
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Figure 100 Hooking-in Upper Interface Unit Cover
Then press the upper cover part carefully against the mast construction.
The whole cover is now in the final locked position. Tighten the screws
on both sides of the lower part of the unit cover. See Figure 101 on page
144.