Sears 139.53968SRT, 139.53960SRT, 139.53971SRT Inside Dispensin9, Master Link Cap, Sha, Sprocket

ASSEMBLY STEP 4

Install the Chain/Cable

and Attach the Sprocket Cover

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

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

•From below, push pins of master link bar up through cable loop 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 pliers, dispense the remainder of the cable/chain along the rail toward the motor unit and around the sprocket. The sprocket teeth must engage the chain.

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 the trolley shaft.

6.Insert the trolley threaded shaft through the hole in the trolley. Be sure the chain is not twisted.

7.Loosely thread the outer nut onto the trolley shaft.

8.Remove the locking pliers.

9.Align the tabs on the sprocket cover with the slots

in the mounting plate. Squeeze cover and insert tabs in slots.

Cable

Loop

Idler

Cable

Toavoid possibleseriousinjury to fingersfrom moving garagedoor opener:

•ALWAYSkeephandclear of sprocketwhile operating opener.

•Securelyattach sprocketcoverBEFOREoperating.

Dispensing Carton

Leave Chain and Cable

Inside Dispensin9

Carton to Prevent Kinking,

Keep Chain and Cable

Taut When Dispensing

i I i

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Master

Link Cap

		Pin
		Notch
	Sha_
		Link Bar
	Hole
Hole	Sprocket
	Cover ---{r't [-'].,J		Motor Unit
Master		_;" ,	Sprocket
Link Bar	Front		Back
	Tab Slot	',	Tab Slot

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