Chamberlain 1345M Manuel D’Utilisation

ASSEMBLY STEP 3

Fasten the Rail to the Motor Unit

MODELS 1356M AND 1346M ONLY

• Remove the two washered bolts mounted in top of

motor unit.

• Align rail and styrofoam over sprocket.

• Cut tape from rail, chain and styrofoam. Remove

styrofoam and pull the chain back (away from the
mounting plate).

• Fasten the rail with the two washered bolts previously

removed. Tighten securely.

Use only these bolts! Use of any other bolts will
cause serious damage to door opener.

USE ONLY THIS

TYPE AND SIZE

BOLT

Washered
Bolts
5/16"-18x1/2"

Chain

Rail

Styrofoam
Packaging

Motor
Unit
Sprocket

Washered Bolts
5/16"-18x1/2"

Styrofoam
Packaging

Mounting
Plate

USE ONLY THIS

TYPE AND SIZE

BOLT

To avoid SERIOUS damage to garage door opener,
use ONLY those bolts/fasteners mounted in the top of the
opener.