Справочник Пользователя для Chamberlain security hd200dm

10

To avoid possible SERIOUS INJURY to fingers from moving 
garage door opener:
•  ALWAYS keep hand clear of sprocket while operating 

opener.

• Securely attach chain spreader BEFORE operating.

Leave Chain and Cable
Inside Dispensing
Carton to Prevent Kinking.

Dispensing Carton

Keep Chain and Cable
Taut When Dispensing

"U" Bracket

Motor Unit
Sprocket

Chain
Spreader

Bolt

KG

KG

Trolley
Threaded
Shaft

Inner Nut
5/16"

Lock 
Washer
5/16"

1.  Pull the cable around the idler pulley and toward the 

trolley.

2.  Connect the cable to the retaining slot on the trolley, as 

shown (Figure 1):

 •  

From below, push pins of master link bar up through 
cable link 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 screwdriver, dispense the 

remainder of the cable/chain along the rail toward the 
motor unit into the slot on the chain spreader, around 
the sprocket onto the chain spreader and continuing to 
the trolley assembly. The sprocket teeth must engage 
the chain (Figure 2).

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 trolley 

threaded shaft (Figure 3).

6.  Insert the trolley threaded shaft through the hole in the 

trolley. Be sure the chain is not twisted (Figure 4).

7.  Loosely thread the outer nut onto the trolley 

threaded shaft.

8.  Remove the screwdriver.

Idler
Pulley

Round
Hole

Master Link
Clip-On Spring

Master
Link Cap

Trolley
Threaded
Shaft

Master
Link Bar

Cable
Link

Cable

Pin
Notch

Master Link
Clip-On Spring

Master
Link Cap

Slotted
Hole

Master
Link Bar

Round
Hole

Trolley
Threaded
Shaft