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 1215EM 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.
Leave Chain and
Cable Inside
Dispensing Carton
to Prevent Kinking.
Keep Chain and Cable
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