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38 Installation
To level the mast vertically with a plumb line, use the following
procedure:
1. Loosen the two bolts holding the mast in position on the foot..
2. Hold the string of the plumb line over the top of the mast so it hangs as shown
in figure 25.
3. Move the mast vertically until the plumb line hangs parallel with the mast.
4. Tighten the two mounting bolts securing the mast to the mounting
foot.
Horizontal
Mounting
System
When mounting the foot on a horizontal surface, the mast must also be leveled.
This
leveling is different than the leveling done for a vertical surface. Instead of leveling
in a horizontal and vertical direction as you do on vertical surfaces, horizontal surfaces
require the mast he leveled vertically in all directions. To do this requires at least two
measurements
of the mast.
Each measurement
must be at right angles to the other
measurement (see figure 26). Both aplumb line and a bubble level will work for making
these measurements.
MEASUREMENT
MEASUREMENT
1
2
Figure 26, Measuring Level Horizontal
Mounting System
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