Chamberlain B550 B550 B552 B750 Owner s Manual - English - Page 5

Hardware, Assembly, Installation, Door Control

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Preparation Hardware ASSEMBLY Bolt Bolt 1/4"-20x1-3/4" INSTALLATION Lag Screw 5/16"-9x1-5/8" (4) Wing Nut 1/4"-20 (2) DOOR CONTROL Threaded Shaft with Spring Trolley Nut Master Link Lock Washer 3/8" Hex Screw #8x3/8" (3) (packed with the sprocket cover) Nut 3/8" Lock Nut 1/4"-20 Clevis Pin 5/16"x1-1/2" Self-Threading Screw 1/4"-14x5/8" (2) Drywall Anchors (2) Clevis Pin 5/16"x1" Clevis Pin 5/16"x1-1/4" Hex Bolt 5/16"-18x7/8" (4) Carriage Bolt 1/4"-20x1/2" (2) Nut 5/16"-18 (4) Lock Washer 5/16"-18 (4) Ring Fastener (3) 5 Screw 6-32x1" (2) Screw 6ABx1" (2) Insulated Staples (Not Shown)

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5
Hardware
ASSEMBLY
INSTALLATION
DOOR CONTROL
Insulated Staples
(Not Shown)
Clevis Pin 5/16"x1-1/2"
Ring
Fastener (3)
Hex Bolt 5/16"-18x7/8" (4)
Self-Threading Screw
1/4"-14x5/8" (2)
Clevis Pin 5/16"x1"
Clevis Pin 5/16"x1-1/4"
Carriage Bolt
1/4"-20x1/2" (2)
Wing Nut
1/4"-20 (2)
Lag Screw 5/16"-9x1-5/8" (4)
Screw 6ABx1" (2)
Drywall Anchors (2)
Screw 6-32x1" (2)
Hex Screw #8x3/8" (3)
(packed with the
sprocket cover)
Bolt
1/4"-20x1-3/4"
Lock Nut
1/4"-20
Bolt
Nut 3/8"
Lock Washer 3/8"
Master Link
Threaded
Shaft with
Spring
Trolley Nut
Lock Washer
5/16"-18 (4)
Nut
5/16"-18 (4)
Preparation