Sears 139.53975SRT1 Garage Door Opener User Manual


 
Hardware Inventory
Separate all hardware and group as shown below for the assembly and installation procedures.
ASSEMBLY HARDWARE
Lock Nut Lock Washer Nut
Chain Spreader (2) 1/4"-20 (2) 3/8" (1) 3/8" (1)
Bolt 1/4"-20 x 1-3/4" (2)
Trolley Threaded Shaft (1)
INSTALLATION HARDWARE
i
Master
Link (2)
Idler Bolt (1)
Carriage Bolt
1/4"-20xl/2" (2)
O
Wing Nut Ring
1/4"-20 (2) Faslener (3)
Lag Screw Hex Screw
5/16"-9xl-5/8" (2) 5/16"-18x7/8" (4)
©
Nut 5/16"-18 (8)
©
Lock Washer 5/16" (7)
Handle
Insulaled
Staples (30)
Lag Screw Screw
5/16"-18xt -7/8" (2) 6ABxt -1/4" (2)
Screw 6-32x1"(2)
G
Carriage Bolt
5/16"-18x2-1/2" (2) Dry Wall Anchors (2)
o] _ ol
C_evis Pin Clevis Pin
5/16"x1-1/2" (1) 5/16"x1" (1)
Spacer(2)
C ol
Clevis Pin
5/16"xt -1/4" (1)
Rope
7