Chamberlain 5100-2K Garage Door Opener User Manual


 
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 Link
Clip-On Spri
Trolley
Flat End of Tro
Threaded Sha
Master
Link Cap
Master
Link Cap
Master Link
Clip-On Spring
Install Chain and 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.
eep Chain and Cable
aut 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 and 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