Chamberlain SECURITY 4620 - Manual (Page 5)

Hardware
5
Separate all hardware from the packages in the rail carton and the opener carton and group as shown below, for
the assembly and installation procedures.
Lock Nut
1/4"-20 x 7/16 (12)
Wing Nut (2) Carriage Bolt
1/4"-20x1/2" (2)
1/4" - 20 x 5/8"
Hex Screw (4) Sprocket Coupling Sleeve
Assembly Hardware
Bolt
1/4-20x1-3/4" (8)
Installation Hardware
NOTICE
Handle
Nut 5/16"-18 (6)
Ring
Fastener (3)
Clevis Pin
5/16"x2-3/4" (1)
Insulated
Staples (30)
Dry Wall Anchors (2)
Clevis Pin
5/16"x1" (1)
Rope
Carriage Bolt
5/16"-18x2-1/2" (2)
Lock Washer 5/16" (6)
Lag Screw
5/16"-9x1-5/8" (2)
Hex Screw
5/16"-18x7/8" (4)
Clevis Pin
5/16"x1-1/4" (1)
Lag Screw
5/16"-18x1-7/8" (2)