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ASSEMBLY STEP 4
Install the Chain/Cable
and Attach the Sprocket Cover
1. Pull the cable around the idler pulley and toward
the trolley.
2. Connect the cable loop to the retaining slot on the
trolley, as shown:
• From below, push pins of master link bar up
through cable loop and trolley slot.
• 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.
3. With the trolley against the pliers, dispense the
remainder of the cable/chain along the rail toward
the motor unit and around the sprocket. The
sprocket teeth must engage the chain.
4. Check to make sure the chain is not twisted, then
connect it to the threaded shaft with the
remaining master link.
5. Thread the inner nut and lock washer onto the the
trolley shaft.
6. Insert the trolley threaded shaft through the hole
in the trolley. Be sure the chain is not twisted.
7. Loosely thread the outer nut onto the trolley shaft.
8. Remove the locking pliers.
9. Align the tabs on the sprocket cover with the slots
in the mounting plate. Squeeze cover and insert
tabs in slots.
Cable
Loop
Toavoid possibleseriousinjury to fingersfrom moving
garagedoor opener:
• ALWAYSkeephandclear of sprocketwhile operating
opener.
• Securelyattach sprocketcoverBEFOREoperating.
Dispensing Carton
Leave Chain and Cable
Inside Dispensin9
Carton to Prevent Kinking,
Keep Chain and Cable
Taut When Dispensing
i
I i
<
Master
Link Cap
Sha_
Pin
Notch
Idler
Cable
Link Bar
Hole
Hole Sprocket
Cover
---{r't [-'].,J Motor Unit
Master _" _; , Sprocket
Link Bar Front Back
Tab Slot ', Tab Slot
10