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.....Z method
12. Wrap the paper firmly back on the pipe. Have the point where the ends of the paper come together
line up with the horizontal line on the 3 o’clock side of the pipe. Ensure that the inside corner of the
straight edge of the paper is aligned with the mark made for the transducer spacing. Tape the paper
down, or have someone hold the paper in place (reference Figure 4.4-L, below).
FIGURE 4.4-L
13. Go to the other side of the pipe (9 o’clock position), and mark the pipe at the point where the marked
fold and the inside edge of the paper length intersect (Figure 4.4-M, below).
14. Remove the paper from the pipe and trace the shape of the 9 o’clock transducer in the same manner
you did for the 3 o’clock transducer. Ensure that the inside edge of the transducer (opposite the cable
connection) is even with the point just marked on the 9 o’clock side of the pipe (Figure 4.4-N, below).
FIGURES 4.4-M (LEFT) & 4.4-N (RIGHT)
15. Refer to Figure 4.4-O (below), and mount the transducers with pipe straps by following steps 5-6 in
Section 4.3 (page 35).
FIGURE 4.4-O
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