86
fi
g. 6.4
fi
g. 6.5
fi
g. 6.7
fi
g. 6.6
6 - M
ਠਲਲ਼
ਠਭਣ
M
ਠਲਲ਼
T
ਨਤਲ
Mast Ties
1-
Align the holes on the mast tie frame with the holes on the mast section. Attach the
mast tie frame to the mast section with assemblies of 1/2"-13 x 1 1/2" hex bolts (
GR8)
,
fl at washers (
GR8)
, lock washers (
GR8)
and 1/2"-13 (
GR8)
nuts (fi g. 6.6). Tighten all
bolt assemblies to a torque of 80 lb-ft (108 N-m).
2-
Choose the appropriate anchoring system. For more information about wall tie reactions,
refer to p. 92 of this section.
3-
Refer to fi g. 6.14, p. 88 for the recommended order of installation of mast ties. Anchor
the appropriate wall tie bracket to the building structure.
4-
If a mast tie extension is required by the confi guration, refer to the installation instructions
on p. 89 in this section.
5-
Attach a rigid dual clamp to the vertical tube of the mast tie frame. Make sure that the
clamp is tightened to 60 lb-ft (80 N-m) of torque.
6-
Align the mast tie between the rigid dual clamp on the mast tie frame and the wall tie.
Installation of standard mast ties
Mast tie tube
Rigid dual clamp
Welded stopper
Mast tie pin
Adjustment rod
Stopper pin
Gripping hand
Wall tie bracket
Mast tie
Mast section
Mast tie frame
Toward wall
7-
Insert the mast tie into the dual clamp and pin the gripping hand to the wall tie. Tighten
the rigid dual clamp to 60 lb-ft (80 N-m) of torque.
8-
Adjust the length of the adjustment rod until the mast is plumb on both its front and
side axis.
9-
Install additional rigid dual clamps to secure the mast tie if required. Refer to p. 89
of this section for more information about mast tie extensions and additional
rigid
dual
clamps. Make sure all clamps are tightened to a torque of 60 lb-ft (80 N-m).
10-
Repeat steps 5 through 9 for the other two mast ties.
WARNING
When using mast ties without welded stoppers, use a bolt, a pin or a rigid dual clamp
as a stopper at the extremity of the mast tie tube attached to the mast tie frame.
