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:
To avoid possible serious injury to fingers from moving
garage door opener:
, ALWAYSkeep hand clear of sprocket while operating
opener•
, Securely attach sprocket cover BEFORE operating•
• 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.
Dispensing
Carton
Leave Chain and Cable
IcaS ir_:nDlos ppenvS
inrgt Ki n k in g"
Keep Chain and Cable
Taut When Dispensing
6. Insert the trolley threaded shaft through the hole
in the trolley. Be sure the chain is not twisted.
Motor Unit
Sprocket
Back
Tab Slot
Mounting
Plate
10