Install The Chain/Cable - Crafstman 139.53985 Manual Del Propietário

ASSEMBLY STEP 4
Install the Chain/Cable
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 pliers, 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 locking pliers.
Toavoid possible SERIOUSINJURYto fingers from
moving garage door opener:
• ALWAYSkeep hand clear of sprocket while operating
opener.
• Securely attach sprocket cover BEFORE operating.
D{spensing Carton
Leave Chain and Cable
Inside Dispensing
Carton to Prevent Kinking.
/
Keep Chain and Cable
Taut When Dispensing
Figure 1
Master Link : :
Clip-On Spring Master
_Link Cap
i i
i i
Master Link _ Master
Chp-On Spnng I I LinkCap
Cable Link
\
\ Trolley : Pin
Threaded I ,
Shaft 1_ Notch
\ Master
Round Hole Link Bar
' ' Slotted Hole
i i
i i
i i
i i
i i
Cable Master
Link Bar
Figure 2
Lock Nut
"U" Bracket
Chain
Spreader
Motor Unit
Figure 3
_'_lnner Nut Threaded
•.. Shaft
• "" Lock 5/16"
Washer
5/16"
Figure 4
Trolley
Threaded
Shaft
Round
10