114
7 - A
CCESSORIES
Adapter Bases for Sidewalk Canopy Installation
(optional)
Installation of the motorized unit
11-
On each mast on the motorized unit, make sure that there are two mast sections
installed on each mast (fi g. 7.102) in addition to the mast sections welded on the
base.
12-
Before lifting and moving the motorized unit, make sure all workers have stepped
down, that all tools, equipment and loads have been removed from the platform and
that the mast locking bars are in place. Fold and lock the access walkway, as described
in the instructions on p. 111.
13-
Raise the motorized unit up to the second mast sections until it is above the mast
toggle
bolts.
14-
Using a rough terrain forklift or a crane, support the motorized unit. Refer to p. 37
ofthe
Motorized Unit
section for instructions on the lifting of a motorized unit. Loosen
and
fl ip down the mast toggle bolts joining the lowest mast sections to the mast
sections welded on the base.
15-
Lift and carefully lower the motorized unit on top of the adapter bases.
16-
Continue to hold the motorized unit
and secure it to the adapter bases with the mast
toggle bolts located on the adapter bases. Tighten all bolts to 120 lb-ft (163 N-m) of
torque, using a cross-pattern sequence when tightening. Remove the mast locking
bars.
17-
Still holding the motorized unit
, install
two tie levels
to tie the masts to the face
of the work. It is important to use a
three-tie
system for the
fi rst two tie levels
. Refer
to p. 70 of the
Masts and Mast Ties
section for instructions on how and when to
install mast ties.
18-
Once
the
fi rst two tie levels are installed, make sure that hooks are properly engaged
on a mast rung on both masts and release the unit. Proceed with the installation
steps as described in the method of installation appropriate for the confi guration.
For more information about methods of installation, refer to p. 18 of the
Motorized
Unit
section.
Dismantling guidelines
1-
Make sure all the equipment necessary for a safe dismantlement of the installation
is on hand (slings, chains, crane or rough terrain forklift, etc.).
Make sure the regular
motorized unit base is also on hand
.
2-
Follow the dismantling instructions appropriate for the confi guration
leaving the last
two tie levels in place
. For dismantling instructions, refer to the
Motorized Unit
section,
starting on p. 32.
3-
Before lifting and moving the motorized unit, make sure all workers have stepped
down, that all tools, equipment and loads have been removed from the platform and
that the mast locking bars are in place.
4-
Using a rough terrain forklift or a crane, support the motorized unit. Refer to p. 37 of
the
Motorized Unit
section for instructions on the lifting of a motorized unit. Remove
the last two tie levels on each mast. Make sure that the motorized unit remains on
the second mast sections, above the mast toggle bolts joining them to the fi rst mast
sections
installed.
5-
Still holding the motorized unit
, loosen all toggle bolts and clamps holding the unit
to the adapter bases.
6-
To ensure proper stability,
make sure that the regular base is level
. Carefully lift the
motorized unit off the sidewalk canopy frames and lower it on top of the regular base.
7-
Continue to hold the unit
and secure it to the base by tightening all bolts to
120 lb-ft (163 N-m) of torque, using a cross-pattern sequence when tightening.
8-
Once the base is secured, make sure that hooks are properly engaged on a mast rung
on both masts and release the motorized unit.
9-
Remove the adapter bases from the support assemblies.
