Polar Bear III 10 Degree Installation Manual
9910030 Rev B
9
7.
Visually center the Long Ballast Tray between the 2nd and 3rd supports. Using the appropriate
Ballast Tray slots, bolt the Ballast Tray assembly to the South Supports using a ¼-20 x 0.5”
serrated flange bolt per South Support pre-installed riv-nut. Ensure that the Ballast Tray is
installed as far south as possible by using the north set of slots. Torque all ¼-20 x 0.5” serrated
flange bolts to 4 ft-lbs. Use the spacer stick to keep the Ballast Tray perpendicular to the
Supports while maintaining the spacing between Supports.
Figure 4 Ballast Trays to South Supports
NOTE: Do not fasten Long Ballast Trays together where they overlap
8.
Repeat Steps 3 through 7 but do not use another Short Ballast Tray until you reach the last
module in the row.
9.
If the construction drawings call for additional ballast, install a secondary flat Ballast Tray, as
needed. Secondary Ballast Trays span a single module only and do not span between modules as
seen above.
10.
Install required ballast into southern Ballast Trays and bend up the tabs at the ends of the row.
11.
Carry module to south-east (or west) corner.
12.
to align Claws over the South Support mounting holes. Insert bolts through Claw
and Support mounting hole. Finger-tighten nuts onto bolts.
13.
Lower module onto upper mounting hole of the Standard Support. Move the Standard Support
in or out of the telescoping connection to the South Support to align the holes. Insert bolts
through Claw and upper mounting hole of the Standard Support.
14.
Tighten all four mounting bolts to 8 ft-lbs of torque.
15.
Repeat Steps 9 through 14 for southern row. Be sure to use inter-column spacer, a standard
support turned upside down between modules, to ensure that a 1”spacing is maintained.
Short Ballast Tray
