Chamberlain Group 1120E Serie Manual De Propietario página 10

ASSEMBLY STEP 4
MODEL 1110E ONLY
Install the Chain &
Attach Sprocket Cover
REPRESENTATIVE DOOR STYLES ARE SHOWN
ON PAGE 13.
DO NOT REMOVE CHAIN FROM CARTON.
• Dispense a few inches of chain from carton and
fasten to trolley with a master link from the
hardware bag. See master link procedure, Figure 1.
Caution: Keep the chain taut during installation
to help prevent kinking.
• With trolley against screwdriver, dispense chain
around pulley. Proceed back around opener
sprocket as shown in Figure 2. The sprocket teeth
must engage the chain.
• Continue dispensing chain forward to the trolley
Figure 3. Make sure the entire length of the chain
is lying on the rail.
• Use the second master link to connect chain to
flat end of threaded shaft. Check to make sure
chain is not twisted.
• Remove the screwdriver.
Install Chain
In This Direction
Sprocket
Cover
Front Tab Slot
Mounting
Plate
Chain
Pulley
Bracket
Back Tab Slot
Top of Opener
10
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
Install Chain in this Direction
Master Link
Clip-On Spring
Master
Link Cap
Flat End
of
Threaded
Shaft
Pin Notch
Pin
Trolley
Flat End
of Trolley
Master
Link Bar
Push pins of master link bar
through chain link and hole in
front end of trolley. Push cap over
pins and past notches. Slide clip-
on spring over cap and onto pin
notches until both pins are
securely locked.
To attach sprocket cover to opener:
• Insert back tab in opener slot. Squeeze the cover
slightly and insert the front tab into the slot on the
mounting plate.
Opener
Sprocket
Figure 3
Figure 1
Master Link Procedure