Chamberlain 311 User Manual

7

Separate all hardware and group as shown below for the assembly and installation procedures.

Nu

t 5/16"-1

8

 (4)

Cle

v

is Pin

5/16"x2-3/4" (1)

N

OTICE

Handle

Dry

w

all 

Anchors (2)

Cle

v

is Pin

5/16"x1" (1)

Cle

v

is Pin

5/16"x1-1/4" (1)

Hex Bolt
5/16"-1

8

x7/

8

" (4)

Rope

Ring Fastener (3)

Lock 

W

asher 5/16" (4)

Lag Scre

w

5/16"-9 x1-5/

8

" (2)

W

ing 

Nu

t

1/4"-20 (2)

Staples (30)

Rail Grease

Carriage Bolts
1/4"-20x1/2" (2)

Lag Scre

w

5/16"-1

8

x1-7/

8

" (2)

Self-Threading Scre

w

1/4"-14x5/

8

" (2)

Lock 

W

asher

5/16" (4)

Lock 

Nu

t

1/4"-20x7/16" (12)

Nu

t

5/16"-1

8

 (5)

W

ashered Bolt

5/16"-1

8

x1/2" (2)

(mo

u

nted in opener)

Carriage Bolt
1/4"-20x1/2" (12)

Hex Bolt
5/16"-1

8

x7/

8

" (3)

Master Link (2)

Trolley
Threaded Shaft (1)