Preparing and setting the window (continued), Cable clamp installation – Pella 81470102 User Manual

Page 5

B. Insert the window from the exterior of the building. Place the seat of the window at the

bottom of the opening and slide the top into position. Center the window between the sides
of the opening to allow clearance for shimming.

TWO OR MORE PEOPLE WILL BE REQUIRED FOR THE FOLLOWING STEPS

Note: If cross bracing is required for soffit
installation of the cable systems, proceed to Step 3A
and install cross bracing before unit is inserted into
the rough opening.

C. Place temporary bracing under the seat of the

window to raise the unit level.

D. Place a shim near the top of the one jamb board,

aligned with the top pre-drilled hole in the jamb
board. Drill a pilot hole and partially insert a #10 x 3"
flat head screw provided. Repeat for the other jamb.

E. Continue placing shims at each pre-drilled

installation screw hole in the jamb boards to plumb
and square the window. Check window for squareness
by making sure diagonal measurement for corner to
corner is within 1/8" in both directions. Insert a #10
x 3" flat head wood screw into each pre-drilled hole in
the jamb boards. Finish inserting the top screw in each
jamb board.

PREPARING AND SETTING THE WINDOW (CONTINUED)

Interior

F. If desired, shim and fasten headboard to rough opening. To keep plywood straight, center

one finish head screw or 10D finish nail on units less than 10 feet wide and equally space two
fasteners on units wider than 10 feet.

CABLE CLAMP INSTALLATION

Install Cable Clamps based on type of installation
needed. Cross Bracing Installation consists of
attaching 2 x 6 cross bracing between the rafter
tails. Header Mount Installation consists of
attaching to a solid structural member - header,
sill plates or wall stud.

Note: Support cables are installed in factory
assembled bay and bow combinations.

Cross bracing mount

Header
mount

T-nut

ALL