Craftsman 1/2 HP GARAGE DOOR OPENER MODEL 139.5364812 - Manual (Page 10)

Install the Chain/Cable
and Attach the Sprocket Cover
ASSEMBLY STEP 4
Leave Chain &
Cable Inside
Dispensing
Carton to
^ Prevent Kinking
Keep Chain and Cable
Taut When Dispensing
INSTALLING THE CHAIN/CABLE
1. Pull the cable loop from the
carton and fasten It to the
trolley with a master link from
the hardware bag (Figure 1).
• Push pins of master link bar
through cable loop and hole
in front end of trolley.
• Push master link cap over
pins and past pin notches.
• Slide clip-on spring over cap and onto pin
notches until both pins are securely locked in
place.
2. With the trolley against the screwdriver, dispense
the cable around the pulley.
3. Continue along the rail and around the motor unit
sprocket (Figure 2). The sprocket teeth must
engage the chain. Continue forward to the trolley
threaded shaft.
4. Use the second master link to connect the chain to
the flat end of the shaft (Figure 1). Check to make
sure the chain is not twisted.
5. Remove the screwdriver.
ik WARNING
To avoid possible SERIOUS INJURY to fingers from
moving garage door opener:
• ALWAYS keep hand clear of sprocket while operating
opener.
• Securely attach sprocket cover BEFORE operating.
Figure 1
Master Link Flat end
Master Link
Clip-On Spring
Maste
Link Cap ;
Clip-On Spring of j|.o||gy ■
,, . \ I i Threaded Shaft
Master '
Link Cap Vf
Cable
Loop
Chain
Pin Notch
Pin
Master
Link Bar
INSTALL CHAIN & CABLE
IN THIS DIRECTION
ATTACHING THE SPROCKET COVER
Insert the back tab in the slot on the back of the
mounting plate. Squeeze the cover slightly and insert
the front tab (Figure 3).
Figure 3
Sprocket
Cover
Figure 2
Motor Unit
Sprocket
10