Chamberlain 1210E FS2 사용자 설명서

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. Model 1210E:

• 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.

• Continue along the rail and around the motor unit

sprocket (Figure 2). Proceed back around the
correct groove in the chain spreader (Figure 3).
The sprocket teeth must engage the chain. 

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.

Insert the back tab in the slot on the back of the
mounting plate. Squeeze the cover slightly and insert
the front tab (Figure 4).

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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.

Motor Unit
Sprocket

Chain
Spreader

Sprocket
Cover

Mounting
Plate

Front Tab Slot

Back Tab Slot

Top of Motor Unit

Master
Link Bar

Flat End
of Trolley

Trolley

Pin

Pin Notch

Flat End of 
Threaded Shaft

Master Link
Clip-On Spring

Master
Link Cap

Chain
Pulley
Bracket

Leave Chain
& Cable 
Inside Carton to 
Prevent Kinking

Keep Chain 
Taut When Dispensing

6-Tooth
Sprocket

Opener
Mounting Plate

Chain
Spreader

8-Tooth
Sprocket

Opener
Mounting Plate

Chain
Spreader

6-Tooth Sprocket Application (Model 1220E)

8-Tooth Sprocket Application (Model 1220E)

(6-tooth sprocket can be used if slower travel speed

is desired.)