Overhead door 55A - Page 5

ASSEMBLY
50 or
····-··· ~
Remove gear guard and sprocket cover. Check
to see that chain is correctly routed around
sprocket
and drive gear,
COVER
SCREWS
HEX. HD.SLOT
6-32 x 1/4
y
70~
Install retainer clips on connecting links.
A B C
@§)• 1n)• @=§)
CONNECTING LINK
CHAIN
CABLE
ASSEMBLY
60
Insert carriage engagement cylinder into
carriage. Wrap cab le end of drive chain-
cable around header pulley and back to
carriage. Connect chain and cable to car-
riage engagement cylinder using connect-
ing links.
CONNECTING LINK
CHAIN
CARRIAGE
8 D ~4'-m•
Adjust drive chain-cable.
CHAIN CABLE
ASSEMBLY
1-
BOOM
Reinstall gear guard and sprocket cover.
9/ 16 WRENCH
ADJUSTING
TO INCREASE TENSION
IMPORTANT
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
•
Page 5