Chamberlain 3000E Owner's Manual page 14

ASSEMBLY STEP 6
For Sliding and Swinging Gates Only
Install the Chain/Cable and Attach the
Sprocket Cover
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. To prevent the trolley from jamming against the opener
during operation, position trolley 5 to 15 cm from the
stop hole as shown. Then dispense the chain around
the opener sprocket (Figure 1). Make sure the sprocket
teeth engage the chain.
• Proceed around to the pulley bracket and forward to
the threaded trolley shaft.
3. 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.
4. Install the sprocket cover: Insert the back tab in the slot.
Squeeze the cover slightly and insert the front tab in the
slot on the mounting plate.
Install Chain
in this Direction
Sprocket
Back
Tab Slot
Leave Chain
& Cable
Inside Carton to
Prevent Kinking.
Keep Chain & Cable
Taut When Dispensing
Mounting
Plate
Motor Unit
To avoid possible SERIOUS INJURY to fi ngers from moving
opener:
• ALWAYS keep hand clear of sprocket while operating opener.
• Securely attach sprocket cover BEFORE operating.
Figure 1
14