344940 REV2 03/17/2020
©
Copyright 2020 Wayne Dalton, a division of Overhead Door Corporation
21
teeth. Using a pipe wrench, rotate the tension wheel downwards (towards the floor) and apply 1-1/2 to 1-3/4 full turns of tension on the push-down spring. Install the (2)
5/16” -18 x 1-1/4” carriage head bolts through the slotted sprocket, spacer, and ratchet tension wheel and tighten them securely with the washers, lock washers, and 5/16”
nut.
STEP 11B
TUBE MOTOR OPERATION
Install the tube motor, wiring, and push button, and set the door limits per the tube motor supplied instructions.
NOTE:
The test handle must be engaged to operate the shutter.
STEP 11C
GCX MOTOR OPERATION
Install the GCX operator to the bracket with (4)
3/8”-16x1-1/4” button cap screws, nuts, and wash-
ers as shown. Install the door srocket, roller chain,
operator wiring, and push button, and set the door
limits per the GCX operator supplied instruction
manual. The drop lever must be installed so that it
is perpendicular to the floor, when the fuse cable
in routed and the test handle is engaged. The fuse
cable should be routed so that it forms a 90° angle
(approximate) to the drop lever (see Figure 11C).
NOTE:
The test handle must be engaged to operate
the shutter.
5/16" x 1-1/4
CARRIAGE BOLTS
5/16" NUTS
AND WASHERS
RELEASE LEVER
RATCHET TOOTH
APPLY TURNS
DOWNWARDS
ATTACH CABLE 'S' HOOK,
FUSIBLE LINK, AND
CABLE HERE
(4) 3/8"-16x1-1/4 BTN CAP SCREW
(4) 3/8" NUTS, LOCK WASHERS, WASHERS
CABLE PULLEY
FUSE CABLE
DROP LEVER
MANUAL
RELEASE ARM
FIG 10C
Figure 11C