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14
To avoid possible SERIOUS INJURY to fi ngers from moving
opener:
• ALWAYS keep hand clear of sprocket while operating opener.
• Securely attach sprocket cover BEFORE operating.
Mounting
Plate
Chain Link
Master
Link
Pin
Master Link
Clip-On Spring
Flat End
of Trolley
Trolley
Pin Notch
Flat End of
Threaded Shaft
Master
Link Cap
Master Link
Clip-On Spring
Master
Link Cap
Chain Link
5-15 cm
Master
Link
Pin
Pin Notch
Rail
Chain
Sprocket
Install Chain
in this Direction.
ATTACHING THE SPROCKET COVER
Position the sprocket cover over the motor unit sprocket so the
three holes in cover align with the three holes in mounting plate.
Attach with #8x3/8" hex screws provided.
Figure 1
ASSEMBLY STEP 4
For Sliding and Swinging Gates Only Install 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 chain sprocket 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.
Mantenga la cadena
tensa al sacarla
No saque la
cadena de la
caja para evitar
que se tuerce
Leave Chain
Inside Carton to
Prevent Kinking
Keep Chain Taut
When Dispensing