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14
ASSEMBLY STEP 4
For Sliding and
Swinging Gates Only
Install the Chain and Attach the
Sprocket Cover
INSTALLING THE CHAIN
1. Dispense a few inches of
chain from carton and
fasten to trolley with a
master link from the
hardware bag. (Figure 1).
• Push pins of master link
bar through chain link and hole in front end of
trolley.
• Push master link cap over pins and past pin
notches.
• Slide clip-on spring over cap and onto pin
notches until both pins are securely locked in
place.
2. To prevent the trolley from jamming against the
opener during operation, position trolley 5 to 15 cm
from the stop hole as shown. Then dispense the
chain around the opener sprocket (Figure 1). Make
sure the sprocket teeth engage the chain.
• Proceed around to the pulley bracket and forward
to the threaded trolley shaft.
3. Use the second master link to connect the chain to
the flat end of the shaft (Figure 1). Check to make
sure the chain is not twisted.
ATTACHING THE SPROCKET COVER 1210E
ONLY
Insert the back tab in the slot on the back of the
mounting plate. Squeeze the cover slightly and insert
the front tab.
To avoid possible SERIOUS INJURY to fingers from
moving opener:
• ALWAYS keep hand clear of sprocket while operating
opener.
• Securely attach sprocket cover BEFORE operating.
WARNING
CAUTION
WARNING
WARNING
Leave Chain
& Cable
Inside Carton to
Prevent Kinking
Keep Chain
Taut When Dispensing
Sprocket
Motor Unit
Back
Tab Slot
Mounting
Plate
Install Chain
in this Direction
Master
Link Pin
Master Link
Clip-On Spring
Master Link
Clip-On Spring
Flat End
of Trolley
Trolley
Pin Notch
Flat End of
Threaded Shaft
Master
Link Cap
Rail
Master
Link Cap
Chain
Back Tab
Sprocket
Cover
Chain Link
Trolley Stop
(Hex Bolt)
5-15 cm
Pin Notch
Master
Link
Pin
Chain Link
Figure 1