Craftsman 139.53920D owner manual Chain/Cable, Trolley Be sure the chain is not twisted

ASSEMBLY		STEP	4
Hnstall	the	Chain/Cable		To avoid possibleSERIOUSiNJURYto fingersfrom
1 Pull the cable around the idler pulley and toward the				movinggaragedoor opener:
				o ALWAYSkeep handdear of sprocketwhile operating
trolley.
					opener.
2 Connect the cable to the retaining slot on the trolley,
				•	Securelyattach chainspreaderBEFOREoperating,
as shown (Figure 1):
• From below, push pins of master link bar up					Dispensing Carton
through cable link and trolley slot
• Push master link cap over pins and past pin					Leave Chain and Cabte
					Inside Dispensing
notches.					Carton to Prevent Kinking

oSlide clip-on spring over cap and onto pin notches unfit both pins are securely tacked in place.

3. With the troIley against the screwdriver, dispense

Keep Chain

and Cable

Taut When

Dispensing

the remainder of the cable/chain along the rail

Figure

1

toward the motor unit into the slot on the chain

spreader, around the sprocket onto the chain

Master Link _._

spreader and continuing to the trotley assembly.

Clip-On Spr_n-g"--'_

Master

The sprocket teeth must engage the chain

(Figure 2).

Un_ Ca

4. Check to make sure the chain is not twisted, then

Master

Unk

connect

it to the threaded shaft with the remaining

c,p_oosp, Mos,°,

master

link.

[_,_/'Unk

Cap

//_._,_

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

^

..

__4;_J

Th,.readed ', ;

Pin

the trolley Be sure the chain is not twisted

L, ae_e_,,_

Shaft

I

;

.,.,.Nalch

(Figure 4)

/

_.__ur,.d

_

U_ Bar

7. Loosely thread the outer nut onto the trolley

/

/

/,,_,Ii(

_

\

_

Hole

""

Idler

_

_.._.)/][,'"_,

:

\Slotted

threaded shaft..

Pulley__..,,.,,_-i,.,,._

U

!

i

Hale

8 Remove the screwdriver,

L_ " "_'_" '''i _' Master

C&ble _.,_ Link S_t

Figure 2

Figure 3

Bait

	_,r	Shaft
.	_ ,"	Inner Nut
•"	Lock	5116"
	Washer
	5l_ 6"

10