Craftsman 139.53920D - Manual (Page 10)

ASSEMBLY STEP 4
tosfall the Cham/C&ble
1, Puli the cable around the idler pulley and toward the
trotley.
2 Connect the cable to the retaining slot on the trolley,
as shown (Figure 1):
• From below, push pfns 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/chatn along the rail
toward the motor unit into the slot on the chain
spreader, around the sprocket onto the chain
spreader artd 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 took 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
A WARNING
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.
Dispensing Carten
Leave Chain and Cabte
Inside Dispensing
Carton to Prevent KInWng
Keep Chain and Cabía
Taut When Dispensing
Figure 1
Master Llnk__
Ciip'Qn Spring—r-T Master
Uni! Cap
Master Link
Clip-On Springer Master
Idiw
Puitey
Pin
Natch
Master
Liiik Bar
Cable
Figure 2 Hex Screws/
8*32x7/1
Chain
Spreader
Motor Unit
!OCkal
Figure 3
Troitay
Ttifeaded
Shalt
^ Inner Nut
LocN S/16"
Washer
S/16*
Figure 4
Round
Hale
10