3-8 FlexNet
®
700 Series Line Extender Rev F
3
Wall Mounting Using Wall Mounting Bosses
Use the wall mounting bosses when mounting the E7 Line Extender to a wall (see Figure 3.6).
➤ To wall mount with wall mount bosses
1. Measure the thickness of the surface on which the housing will be located.
2. Plan the installation to provide enough clearance around the housing to install the cable and
cable connectors and to ensure access to all housing testpoints and internal electronic
components. You may need to shim, drill access holes, or provide cut-outs.
3. Drill two mounting holes 9 inches (22.86 cm) apart in the mounting surface if required. (Refer
to Figure 3.6 on page 3-9 for the location of the wall mount bosses.) Use a 9/32 inch (7 mm)
diameter drill for ¼ inch diameter bolts.
4. Select appropriate length 1/4-20UNC mounting bolts (not supplied), washers, and a lock
washer to allow a threaded bolt length of 1/4 to 3/8 inch (6 to 10mm) to extend into the
housing. See Table 3.1, for several examples.
5. Install as shown in Figure 3.6.
6. Tighten the mounting bolts. Use no more than 66in-lbs (7.5N·m) torque. The amount of
torque required will depend on the mounting surface used.
CAUTION: Do not torque mounting bolts more than 66 in-lbs (7.5N·m), or more than
three to four full turns, to avoid penetrating the housing and damaging the electronics.
Table 3.1 Mounting Bolt Selection
Minimum Wall Thickness Bolt Length
1/16 inch (1.6mm) 3/8 inch (10mm)
1/4 inch (6mm) 5/8 inch (16mm)
1/2 inch (13mm) 7/8 inch (22mm)
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