5/16" WASHER
COUNT OVER 4 LINKS FROM BOLT AND
BRIDGE DECK BOARD)
DETAIL A
SCALE 1 : 4.5
1
2
3
THE NEXT BOLT GOES IN THIS LINK.
4
18TH CHAIN LINK
5/16" X 1-3/4"
(BETWEEN CHAIN AND
HEX BOLT
5/16" WASHER
THREE EMPTY LINKS ARE
BETWEEN BOLTS.
A
STEP 18: BRIDGE DECK AND CHAIN ASSEMBLY
1: PLACE A 5/16" WASHER BETWEEN THE 18TH CHAIN LINK AND THE BRIDGE DECK BOARD.
2: PLACE A 5/16" X 1-3/4" HEX BOLT WITH 5/16" WASHER THROUGH THE 18TH CHAIN LINK, THEN THROUGH
THE 5/16" WASHER, THEN THROUGH THE HOLE IN THE BRIDGE DECK BOARD AND SCREW IT INTO THE T-NUT.
TIGHTEN THE BOLT BUT NOT SO TIGHT THAT YOU CRACK THE WOOD.
3: COUNT OVER 4 CHAIN LINKS FROM THE LAST HEX BOLT. AT THIS CHAIN LINK PLACE A 5/16" WASHER
BETWEEN THE CHAIN LINK AND THE BRIDGE DECK BOARD. NOTE THAT THREE EMPTY CHAIN LINKS ARE
BETWEEN THE BOLTS.
4: PLACE A 5/16" X 1-3/4" HEX BOLT WITH 5/16" WASHER THROUGH THE CHAIN LINK, THEN THROUGH THE
5/16" WASHER, THEN THROUGH THE HOLE IN THE BRIDGE DECK BOARD AND SCREW IT INTO THE T-NUT.
TIGHTEN THE BOLT BUT NOT SO TIGHT THAT YOU CRACK THE WOOD.
5: REPEAT SUBSTEPS 3 & 4 UNTIL YOU HAVE SECURED THE CHAIN TO THE BRIDGE DECK BOARDS ALONG ONE
SIDE. THEN START OVER WITH THE OTHER CHAIN AND REPEAT THIS ENTIRE PROCESS.
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