Sears 139.53971SRT 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)
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Bolt 1/4"-20 x 1-3/4" (2)
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Trolley Threaded Shaft (1)
Master
Link (2)
Idler Bolt(1)
INSTALLATION HARDWARE
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Carriage Bolt Wing Nut Ring Nut 5116"-18(8)
1/4"-20xl/2" (2) 1/4"-20 (2) Fastener (3)
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Lag Screw
5/16"-9xl-5/8" (2)
Hex Screw
5/16"-18x7/8" (4)
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Lock Washer 5/16" (7)
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Lag Screw
5116"-18xl-7/8" (2)
(_ Carriage Bolt
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5116"-18x2-1/2" (2)
Dry Wall Anchors (2)
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Clevis Pin Clevis Pin
5116"x1-112"(1) 5/16"x1-114_(1)
Handle
Insulated
Staples (30)
Screw 6-32x1" (2)
Spacer (2)
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Clevis Pin
5/18"x1" (1)
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Rope