Chamberlain B550 - Page 5

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