Install The Chain And Attach The Sprocket Cover; Attaching The Sprocket Cover - Merik 411M Manual Del Proprietário

ASSEMBLY STEP 4
Install the Chain and Attach the
Sprocket Cover
INSTALLING THE CHAIN
1. Dispense a few inches of
chain from carton and
fasten to trolley with a
master link from the
hardware bag (Figure 1).
• Push pins of master link
bar through chain link
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 chain 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.

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).
Leave Chain
Inside Carton to
Prevent Kinking.
Keep Chain
Taut When Dispensing
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
Chain
Pulley
Install Chain
Bracket
In This Direction
Figure 2
Figure 3
Front Tab Slot
11
Master Link
Clip-On Spring
Master
Link Cap
Flat End of
Threaded Shaft
Pin Notch
Trolley
Flat End
of Trolley
Master
Link Bar
Motor Unit
Sprocket
Sprocket
Cover
Back Tab Slot
Top of Motor Unit
Mounting
Plate
Pin