Craftsman 139.53661SRT1 User Manual

Assembly Step 4
Install the Chain/Cable &
Attach the Sprocket Cover
KeepChain 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
C_p-On Spring , ,
Master
Link
u
WARNINQi
i i i i i • i
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 c._.,.
Sprockel
Figure 3
Rat End
of Trolley
ThreadedShaft
Chain
T-rail
Install Chain and Cadle
In This Direction
Spmckat
Cov_
Front Tab Slot Mortaring
Plate
Cable
PuJley
Trolley
m
t
_ Master
LinkBat
Figure I
M_ Unk Procedure:
Pushpinsof masterlinkbar
throughcable loopand holein
frontend oftrolley.Push cap
overpinsandpast notches.
Slidedip-on spdngover cap
and intonotchesunUIboth
pinsare securelyIo_ked.
To attach the sprocket cover:
• Insert the back tab in the opener slot. Squeeze the
cover slightlyand insert the front tab in the slot on
the mounting plate.
lO

Craftsman 139.53661SRT1 Specifications

General

Brand	Craftsman
Model	139.53661SRT1
Category	Garage Door Opener
Language	English