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CROSS BRACING MOUNT OF CABLE CLAMPS

A. 

Install 2" x 6" cross braces

 between rafter tails, directly above 

the cable holes in the bay/bow head board.

B. 

Install the cable clamps

 directly above the "T" nuts where 

adequate support is available. Holding the clamp parallel to the 
up-running cable, drive the #12 x 3-1/4" square drive screws 
part way into the mounting surface using a #3 square drive bit.

C. 

Run the cable up through the bottom of the cable clamp.

 

Hold the cable up tight above the clamp and drive the two 
center clamp screws all the way in, locking the cable in place. 
Drive the remaining #12 x 3-1/4" square screws all the way.

Note: Make sure all four screws are driven in at maximum 
torque. Additional tensioning may be done with the nuts 
on the opposite end of the cable at the bottom of the bay/
bow unit.

3B

3C 

HEAD BOARD

SEAT BOARD

1"

A

B

CROSS BRACING MOUNT - NON ACCESSIBLE CABLE ATTACHMENT

Note: Install the cable clamp and cable prior to installing the bay/bow unit.

3

CABLE CLAMP INSTALLATION (CONTINUED)

A. 

Install 2 x 6 cross braces 

between the rafter 

tails, directly above the cable holes in the bay/
bow head board.

B. 

Remove the cable from the bay/bow unit. 

Measure the distance from the bottom of the 
cable clamp to the bottom of the header plus 
3/8" head clearance (A dimension). Measure 
the height of the unit from the top of the 
head board to the bottom of the seat board (B 
dimension). Add "A" to "B" plus 1", to get the 
correct length of cable hanging from the bottom 
of the cable clamp. Insert the cable end through 
the round hole of the cable clamp. Ensure the 
correct length of cable is hanging below the 
bottom of the cable clamp. Tighten the two 
cable clamp corner screws. Insert one screw into 
each of the center holes in the cable clamp, and 
tighten to fully clamp the cable in position.

C. 

When the bay/bow unit is being installed,

 thread the threaded end of the cable through the 

"T" nut, down the length of the bay/bow unit, and through the drilled hole in the seat board. 
Place a washer and two hex nuts on each cable end.

Note: The interior mullion cover can easily be removed for this purpose and must be 
reinstalled when installation is complete.

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Summary of Contents for 81470102

Page 1: ...ion in a wall system designed to manage water These instructions are not to be used with any other construction method Installation instructions for use with other construction methods multiple units...

Page 2: ...knife Drill with a 2 Phillips at least 4 long and 3 square drive bit provided in cable clamp kit 1 2 open end wrench 3 16 wrench or socket Sealant Gun Installation will require two or more persons for...

Page 3: ...k and rough opening Apply sealant at each joint between the brick blocking and rough opening and cover the joints with flashing tape H Apply sill flashing tape 1 Wood wall construction only Cut a piec...

Page 4: ...tape 2 Cut a piece of flashing tape 12 longer than the opening width Apply at the bottom overlapping tape 1 by at least 1 DO NOT allow the tape to extend past the interior face of the opening Note The...

Page 5: ...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...

Page 6: ...etween the rafter tails directly above the cable holes in the bay bow head board B Remove the cable from the bay bow unit Measure the distance from the bottom of the cable clamp to the bottom of the h...

Page 7: ...put on the seat board knee braces must be used in addition to the cables HEAD BOARD SEAT BOARD 18 PROJECTION MAXIMUM DASHED LINES INDICATE POSSIBLE CONSTRUCTION FOR GABLE ROOF MINIMUM 10 1 2 HEADER MO...

Page 8: ...space between the window and the rough opening and apply a 1 deep bead of foam This will allow room for expansion of the foam and will minimize squeeze out If using foam other than Great Stuff Window...

Page 9: ...Foam BRICK FRAMED REPLACEMENT 3 8 Clearance Backer Rod and Sealant typical Insulating Foam BRICK SMALL BLOCK REPLACEMENT Air Gap Block 1 x 2 Sheet Rock Lathe Plaster Insulating Foam 3 8 Clearance Bac...

Page 10: ...ween the frame expander and the under side of the seat board F Shape tool and clean excess sealant When finished the sealant should be the shape of an hourglass Note This method creates a more flexibl...

Page 11: ...cess sealant When finished the sealant should be the shape of an hourglass Note Backer rod adds shape and depth for the sealant line This method creates a more flexible sealant line capable of expandi...

Page 12: ...construction and maintenance failure to install Pella products in accordance with Pella installation instructions or the use of Pella products in wall systems which do not allow for proper management...

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