Craftsman 139.53647SRT1 User Manual

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 result if fingers become
entangled in moving opener sprocket. Attach
sprocket cover securely. Never operate opener
while your hand is near the opener sprocket.
Opener
Figure 2 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.
Master Link
Clip-On Spring
i i
Mast
Link Cap ; ',
Cable
Loop _.
Master Link
CIip-On Spring , ',
i
Master
Link Cap
Flat End
of Trotley
Threaded Shaft
Figure 3
Chain
T-rail
Pin Notch
Install Chain and Cable
In This Direction
Sprocket
Cover
Back Tab SIot
Top of Opener
Sable
Pulley
i
i
Master
Link Bar
TroIley
Figure 1
Master Link Procedure:
Push pins of master link bar
through cable loop and hole in
front end of trolley. Push cap
over pins and past notches.
Slide clip-on spring over cap
and into notches until both
pins are securely locked.
Front Tab Slot
Mounting
Ptate
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

Craftsman 139.53647SRT1 Specifications

General

Brand	Craftsman
Model	139.53647SRT1
Category	Garage Door Opener
Language	English