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Chamberlain PD220 Assembly Instructions Manual page 5

Chain drive
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Preparation
Hardware 041A8068
ASSEMBLY
Self-Threading Screw
1/4"-20x1-3/4" (2)
Threaded
Shaft
Clevis Pin
5/16"x1-1/2"
Master Link
Lag Screw 5/16"-9x1-5/8" (2)
Clevis Pin 5/16"x1-1/2"
Carriage Bolt
Hex Nuts 5/16" (2)
1/4"-20x1/2" (2)
Lock Nut 1/4"-20 (4)
Lock Washer 5/16"
4
INSTALLATION
Lag Screw #14-10x1-1/2" (2)
Clevis Pin 5/16"x1-1/4"
Self-Threading Screw
1/4"-14x5/8" (2)
Wing Nut 1/4"-20 (2)
DOOR CONTROL
Screw 6ABx1" (2)
Clevis Pin 5/16"x1"
Hex Bolt 1/4"-20x3/4" (4)
Ring Fastener (4)

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