41
15. Form up the front of the box:
a. Apply glue to the mating faces of Tabs E, F, G & J at the front corners of the box (44).
b. Form the front-left corner. Burnish the connection thoroughly with your fingers or the butter
knife. If necessary, hold the corner together with a binder clip while the glue sets (45, 46).
c. Repeat for the front-right corner (47).
44
45
46
47
16. Install the Sensors.
a. Slip nylon washers over two coarse-thread M3x10 screws.
b. Unplug the range sensors from the PCB. Fit one of the range sensor assemblies into one end
of the case, with the ribbon cable heading down (48). Use the screws to carefully mount the
sonar to the box (49).
48
49
