Assembly Step 4
Install the Chain/Cable
& Attach the Sprocket Cover
Sprocket
Cover
Mounting
Plate
Front Tab Slot
Back Tab Slot
Top of Opener
Opener
Sprocket
10
To attach the sprocket cover:
• Insert the back tab in the opener slot. Squeeze the
cover slightly and insert the front tab in the slot on
the mounting plate.
stall Chain & Cable
Chamberlain '92
8/22/90 - 3/6/92
Leave Chain and Cable
Inside Dispensing
Carton to Prevent Kinking
Dispensing Carton
Keep Chain and Cable
Taut When Dispensing
Sprocket
Cover
Back Tab Slot
Top of Opener
Cable
Pulley
Cable
Loop
Master
Link Bar
Master Lin
Clip-On Spr
Trolley
Flat end
of Trolley
Threaded Shaft
Master
Link Cap
Master
Link Cap
Master Link
Clip-On Spring
Install Chain & Cable
In This Direction
• Detach the cable loop from the carton and fasten it
to the trolley with a master link from the hardware
bag. See master link procedure, Figure 1.
• With the trolley against the screwdriver, dispense
the cable around the pulley.
• Proceed back around the opener sprocket,
Figure 2. Be sure sprocket teeth engage the chain.
Continue forward to the trolley threaded shaft,
Figure 3.
• Use the second master link to connect the
chain to the flat end of the shaft. Check to
make sure the chain is not twisted.
• Remove the screwdriver.
Keep Chain and Cable
Taut When Dispensing
Cable
Pulley
Cable
Loop
Master
Link Bar
Master Link
Clip-On Spring
Trolley
T-rail
Pin
Pin Notch
Chain
Flat end
of Trolley
Threaded Shaft
Master
Link Cap
Master
Link Cap
Master Link
Clip-On Spring
Install Chain & Cable
In This Direction
Master Link Procedure:
Push pins of master link bar through
cable loop and hole in front end of
trolley. Push cap over pins and into
notches. Slide clip-on spring over
cap and into notches until both pins
are securely locked.
Figure 2
Figure 3
Figure 1
Serious injury can result if fingers become
entangled in moving opener sprocket. Attach
sprocket cover securely. Never operate opener
while your hand is near the opener sprocket.
WARNING
