Craftsman 139.18865 Owner's Manual page 10

Assembly Step 4
The Chamberlain Group, Inc.
Install the Chain/Cable &
Step 4 Install Chain & Cable - Sears Chassis
Attach the Sprocket Cover
4/10/92
The Chamberlain Group, Inc.
Step 4 Install Chain & Cable - Sears Chassis
The Chamberlain Group, Inc.
4/10/92
Step 4 Install Chain & Cable - Sears Chassis
4/10/92
Keep Chain and Cable
Taut When Dispensing
• Detach the cable loop from the carton and fasten it
Keep Chain and Cable
to the trolley with a master link from the hardware
Taut When Dispensing
bag. See master link procedure, Figure 1.
Keep Chain and Cable
Taut When Dispensing
• With the trolley against the screwdriver, dispense
the cable around the pulley.
• Proceed back around the opener sprocket,
Master Link
Figure 2. Be sure sprocket teeth engage the chain.
Clip-On Spring
Continue forward to the trolley threaded shaft,
Figure 3.
Master
Link Cap
• Use the second master link to connect the
chain to the flat end of the shaft. Check
Flat End
of Trolley
to make sure the chain is not
Threaded Shaft
twisted.
• Remove the screwdriver.
Trolley
Install Chain and Cable
Master
In This Direction
Link Bar
Install Chain and Cable
In This Direction
Install Chain and Cable
In This Direction
Front Tab Slot
Dispensing Carton
Opener
Sprocket
Dispensing Carton
Leave Chain and Cable
Inside Dispensing
Carton to Prevent Kinking.
Dispensing Carton
Leave Chain and Cable
Inside Dispensing
Carton to Prevent Kinking.
Leave Chain and Cable
Inside Dispensing
Carton to Prevent Kinking.
Cable
Loop
Chain
T-rail
Cable
Loop
Pin Notch
Pin
Cable
Pulley
Sprocket
Cover
Back Tab Slot
Top of Opener
Mounting
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.
Master Link
Clip-On Spring
Threaded Shaft
Master
Link Cap
Master Link
Clip-On Spring
Master Link
Clip-On Spring
Master
Link Cap
Master
Link Cap
Cable
Loop
Master
Link Bar
Master
Link Bar
Cable
Master
Pulley
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
Opener
Sprocket
Figure 2
CAUTION
Master Link
Clip-On Spring
Master
Link Cap Master Link
Clip-On Spring
Flat End
Master Link
of Trolley
Clip-On Spring
Master
Link Cap
Master
Flat End
Link Cap
of Trolley
Threaded Shaft
Flat End
of Trolley
Threaded Shaft
Pin Notch
Pin
Trolley
Pin Notch
Pin
Trolley
Trolley
Figure 1
Sprocket
Master Link Procedure:
Cover
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
Sprocket
Cover
and into notches until both
pins are securely locked.
Front Tab Slot
Mounting
Plate
Front Tab Slot
Front Tab Slot
Mounting
Opener
Sprocket
Opener
Sprocket
Figure 3
Chain
T-rail
Chain
Chain
T-rail
T-rail
Pin Notch
Pin
Back Tab Slot
Top of Opener
Cover
Back Tab Slot
Top of Opener
Back Tab Slot
Top of Opener
Mounting
Plate
Plate