Sears 139.53975SRT1 Manuel du propriétaire télécharger pdf (Page 10)

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.

To avoid possible SERIOUSINJURYto fingers from

moving garage door opener:

• ALWAYSkeep hand clear of sprocket while operating

opener.

• Securelyattach sprocket cover BEFOREoperating.

Dispensing Carton

Leave Chain and Cable

Inside Dispensing

Carton to Prevent Kinking.

Keep Chain and Cable

Taut When Dispensing

Master Link._ Master

Chp-On Spnng _ Ltnk Cap

I i

Master Link _ Master

Clip-OnSpringCable_ _r'-___jl1 Link Cap ' i

Trolley : , Pin

edThreaded , I Noch

Shaft i :

i Master r

Round Link Bar

Idler

Pulley I ' Slotted

, i Hole

: : Cover

Cable ........ _"

(_ Unk Bar Front ' '

Tab SIot :

Motor Unit

Sprocket

Back

Tab Slot

Mounting

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 ... 75 76

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Sears 139.53975SRT1 Manuel du propriétaire Page 10

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