Assembly step 4, To attach the sprocket cover, Attach sprocket cover – Sears CRAFTSMAN 139.53640SRT User Manual
Page 10: Figure 2, Figure 3
Attention! The text in this document has been recognized automatically. To view the original document, you can use the "Original mode".
Assembly Step 4
Install the Chain/Cable &
Attach the Sprocket Cover
Dispensing Carton
Leave Chain and Cable
Inside Dispensing
Carton to Prevent Kinking.
Serious injury can resuit if fingers become
entangied in moving opener sprocket. Attach
sprocket cover secureiy. Never operate opener
whiie your hand is near the opener sprocket.
Figure 2
opener
Sprocket
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.
Figure 3
Master Link
Clip-On Spring
Master Link
Cfip-On Spring
Instali Chain and Cable
In This Direction
Tab Slot
Top of Opener
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 looked.
Front Tab Slot
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