Craftsman 139.53920D owner manual Assembly Step t, Assemble the Rail & Instaff the Troffey

ASSEMBLY STEP t

Assemble the Rail & Instaff the Troffey

To avoid installation difficulties, do not run the garage door opener until instructed to do so.

The front rail has a cut out "window"at the door end (see illustration), The hole above this window is

larger on the top of the rail than on the bottom A smaller hole 3-1/2" (8,,9 cm) away is close to the raft

edge Rotate the back raft so it has a similar hole close to the opposite edge, about 4-3/4" (12 cm) from the far end,

1 Remove the straight door arm and hanging bracket packaged inside the front rail and set aside for Installation Step 5 and 12 NOTE: To prevent INJURY while unpacking the rail carefully remove the straight door arm stored within the rail section,

2.Align the rail sections on a flat surface as shown and slide the tapered ends into the Iarger ones= Tabs along the side wilt lock into place

T0 prevent INJURYfrom pinching,keephandsand fingers awayfrom the joints while assemblingthe rail

3, Place the motor unit on packing material to protect the cover, and rest the back end of the rail on top For convenience, put a support under the front end of the rail

4.As a temporary trolley stop, insert a screwdriver intothe hole 10" (25 cm) away from the front of the rail, as shown,,

5.Check to be sure there are 4 plastic wear pads inside the inner trolley if they became loose during shipping, check all packing material, Snap them back into position as shown

6, Slide the trolley assembly along the rail from the back end to the screwdriver,

T_olIey

KEEP LARGER

HOLE ON TOP

FRONT RAIL
(TOP)	Back Rails
	(TO MOTOR UNIT)
	End

/

End

W_ndow

CubOul

Idler

Pufley-,_,Ylj