Overhead door 55 - Page 7

ASSEMBLY
130
Make sure chain is seated in drive sprocket
and idler pulleyo
150~
DRIVE
SPROCKET
Install retainer clips on connecting links.
A B C
0§) . lll\. @=ID
CONNECTING LINK
CHAIN
CABLE
ASSEMBLY
140
Insert carriage engagement cylinder into
carriageo Wrap cable end of drive chain-
cable around header pulley and back to
carriage o Connect chain and cable to car -
riage engagement cylinder using connect-
ing I inks o
CONNECTING LINK
CHAIN
160 ~~_,.
Adjust drive chain-cable.
9/16 WRENCH
ADJUSTING
BOLT
ADJUSTABLE
END WRENCH
TO INCREASE TENSION
IMPORTANT
CHAIN CABLE
ASSEMBLY
1-
BOOM
HEADER PULLEY
ASSEMBLY
BOOM
With carriage near header end of boom,
chain should not sag below center line of
boom more than 3/4
11
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Page 7