Chamberlain 7220 1/2HP - Manual (Page 7)

Hardware Inventory
Separate all hardware and group as shown below for the assembly and installation procedures.
7
Lock Washer
5/16" (4) Lock Nut
1/4"-20x7/16" (12)
Nut
5/16"-18 (5) Washered Screw
5/16"-18x1/2" (2)
(mounted in opener) Carriage Bolts
1/4"-20x1/2" (12) Hex Screw
5/16"-18x7/8" (3)
Master Link (2)
Trolley
Threaded Shaft (1)
Wing Nut
1/4X20 (2)
Insulated
Staples (30) Carriage Bolts
1/4"-20x1/2" (2)
Nut 5/16"-18 (4)
Clevis Pin
5/16"x2-3/4" (1)
NOTICE
Handle
Dry Wall Anchors (2)
Clevis Pin
5/16"x1" (1) Clevis Pin
5/16"x1-1/4" (1)
Hex Screw
5/16"-18x7/8" (4)
Rope
Ring Fastener (3)
Lock Washer 5/16" (4)
Lag Screw
5/16"-9 x1-5/8" (2)
RAIL GREASE
NO. 83A4
Rail Grease
Lag Screw
5/16"-18x1-7/8" (2)
Self-Threading Screw
1/4"-14x5/8" (2)
ASSEMBLY HARDWARE
INSTALLATION HARDWARE