4
Installation Instructions
MSP-WRTIDSKY1 Skybox Kit
ANCHORING PROCEDURES
NOTE:
If the true ceiling is more than 36 in. (914 mm) above
the suspended ceiling, you must obtain additional anchoring
wire. Use 14-gauge soft galvanized wire. A longer safety cable
may also be required. Contact Chief Manufacturing for assis-
tance in determining your specific requirements.
Anchoring Methods
Select the appropriate anchoring method for your ceiling:
NOTE:
Four eye lag screws and four concrete anchors are
shipped with the Kit.
•
Wood Joists or Beams.
Drill four 5/32-in. dia. holes, at least 2
in. deep (4-mm dia. holes, 51 mm deep). Fully insert eye lag
screws (see Figure 5).
•
Solid Concrete.
1. Drill four 1/4-in. dia. holes 1-3/8 in. deep (6-mm dia. holes,
36 mm deep). Use ANSI B94.12-1977 carbide bit (see
Figure 6).
2. Tap anchors into hole to an embedded depth of at
least 1” (25.4 mm deep).
3. Using a hammer with a claw, pull anchor out 1/4” (6.36 mm) to
activate anchor.
•
Truss Ceiling.
Attach the tie wire to the turnbuckle and loop
its upper end around the ceiling truss. Pull the tie wire tight and
twist it around itself at least four times. No additional anchor is
required (see Figure 7).
Anchoring Procedure
1. Cut the 20-ft (6.1 m) tie wire into four pieces of equal length.
WARNING: Make sure the tie wire will not become loose.
Thread the end of the wire back through the first loop, clos-
est to the eyebolt, and bend the end of the wire up to pre-
vent the wire from untwisting (see Figure 8).
2. Insert the wires through the ends of the turnbuckles. Twist each
wire around itself at least four times, then thread the wire back
through the loop closest to the eyebolt (see Figure 8).
3. If required (see “Anchoring Methods” above), drill holes for
the four ceiling anchors. Position the holes so that the tie wires,
when attached and taut, will angle outward at 15
o
as shown.
4. Pull the tie wires tight and attach them to the ends of the ceiling
anchors (or to the truss) and secure as in Step 2. The weight of
the ceiling tray should now be supported by the tie wires.
Wood Joists
or Beams
Solid Concrete
Truss Ceilings
Figure 8. Anchoring
Figure 5. Anchoring in Wood
Figure 6. Anchoring in Concrete
Figure 7. Truss Anchoring
