31
1 - M
OTORIZED
U
NIT
Setup and confi gurations
Multiple units confi guration with mast ties – pre-installation
(requires the use of two bearing bridge adapters – sold separately)
Installation of mast sections and mast ties (cont'd)
9-
Install as many mast sections as the plan layout requires and as is allowed. A setup
with mast ties should not be raised above 250' (76 m). Make sure throughout the
process that each mast remains plumb on both its front and side axis and that tie levels
are installed when required.
10-
It is important to make sure to verify the mast bolts on each mast when lowering the
platform to make sure they are tightened to the proper torque and are in good
condition, especially on
brand
-
new mast sections
, as the galvanized coating
may have compressed. In all cases, mast bolts must be tightened to a torque of
120 lb-ft (163 N-m). Failure to tighten bolts properly may lead to serious injury or
death.
Installation of cantilever bridges and additional equipment
11-
With the motorized unit at base level, proceed with the installation of cantilever
bridges at the ends of the motorized units opposite to the bearing structure, as required
and allowed. Refer to p. 44 of the
Bridges
section for instructions on the installation
of a cantilever bridge and to the
Load Capacities
section on p. 80 for the maximum
number of bridges allowed in a setup.
12-
Install additional equipment as is required and allowed. For information about the
combined use of equipment and accessories allowed for a confi guration, refer to the
Combination of Standard and Non Standard Confi gurations
table in fi g. 1.24, p. 17.
For instructions on the installation and use of forward extension or swivel bridges,
refer to the
Bridges
section on p. 43. For instructions on the installation and use of a
5 to 8 plank confi guration, refer to the
Accessories
section on p. 91.
Installation of outriggers and planking
13-
Adjust the outriggers and install planks, as required and allowed (see p. 95 of the
Accessories
section for more information).
Preparing for operation
14-
Once all tie levels are in place, the hoist can be used as required.
15-
Before authorizing workers to use the motorized unit, perform every step in the daily
inspection checklist. If required, fi ll out the handover sheet to complete the installation.
Refer to p. 120 of the
Transport, Storage and Maintenance
section for more information
about the daily inspection checklist and to p. 124 for information about the handover
sheet.
WARNING
During pre-installation, the hoist can
only
be used to load mast sections.
It is important to note that the hoist cannot be used above the last tie level
installed.
C
WARNING
During pre-installation, only mast sections can be loaded on the motorized
unit. It is important to note that no loads are allowed on the bridges until the
pre-installation process is complete.
