Typical Installation; Determine Mounting Location For Operator; Install The Operator - Chamberlain LiftMaster MJ5011U Installation Manual

TYPICAL INSTALLATION

NOTE: The illustrations may not depict your installation.

DETERMINE MOUNTING LOCATION FOR OPERATOR

The operator may be mounted on the wall, shelf or bracket (not provided, see accessories or door manufacturer). The optimum
distance between the door shaft and operator drive shaft is 12-15 inches.
WALL MOUNT
Operator
Drive Shaft

INSTALL THE OPERATOR

1 Place door sprocket on door shaft.
Door Shaft
Optimum Distance
12"-15"
Door Shaft
Door Sprocket
SHELF OR BRACKET MOUNTING
2
Place operator door sprocket on operator.
Drive Shaft
Operator Drive
Sprocket
8
Door Shaft
Operator
Drive Shaft
Optimum Distance
12"-15"
Optional Mounting Bracket.
See Accessories.