Install Chain/Cable; Attach Sprocket Cover - Craftsman 139.53525SRT Owner's Manual

Assembly Step 4
Install the Chain/Cable &
Attach the Sprocket Cover
Dispensing Carton
Keep Chain and Cable
Taut When Dispensing
• 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.
Install Chain and Cable
In This Direction
Install Chain and Cable
In This Direction
Sprocket
Cover
Front Tab Slot
Mounting
Leave Chain and Cable
Inside Dispensing
Carton to Prevent Kinking.
Master Link
Clip-On Spring
Link Cap
Cable
Loop
Cable
Loop
Cable
Pulley
Back Tab Slot
Top of Opener
Plate
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.
Figure 2
Flat End
of Trolley
Threaded Shaft
Master
Master Link
Clip-On Spring
Master
Link Cap
Master
Link Bar
Master
Link Bar
Cable
Pulley
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.
10
WARNING
Sprocket
Master Link
Clip-On Spring
Master
Link Cap
Master Link
Clip-On Spring
Master
Link Cap
Flat End
of Trolley
Threaded Shaft
Trolley
Trolley
Figure 1
Master Link Procedure:
Push pins of master link bar
through cable loop and hole in
front end of trolley. Push cap
Sprocket
over pins and into notches.
Slide clip-on spring over cap
and into notches until both
pins are securely locked.
Front Tab S
Opener
Figure 3
Chain
T-rail
Pin Notch
Pin