Chamberlain DH Installation Instructions

APPLICATION REQUIREMENTS:
Replacement of Motor and/or its components for a Model 1/2 HP FDO Operator.
INSTALLATION INSTRUCTIONS
NOTE: Refer to the Owner's Manual supplied with the
operator for all mounting and wiring instructions.
REMOVE EXISTING MOTOR ASSEMBLY:
Disconnect the wire connections to the motor. Remove
the brake cover and locate the (4) flange nuts securing the
brake assembly to the motor. Remove the (4) flange nuts
and the break assembly and set off to the side. Remove
the (2) bolts securing the motor to the frame and lower
the front of the motor and slide the motor from the frame.
MOUNTING NEW MOTOR ASSEMBLY:
To install the motor assembly, follow the steps outlined
above in reverse order. Reconnect the wires to the motor,
referring to the owners manual and wiring diagrams on
pages 2 and 3.
WARNING
DISCONNECT POWER AT THE FUSE BOX BEFORE
PROCEEDING. IF NECESSARY REMOVE THE OPER-
ATOR FROM ITS MOUNTED POSITION.
OPERATOR MUST BE PROPERLY GROUNDED AND
CONNECTED IN ACCORDANCE WITH LOCAL ELEC-
TRICAL CODES. NOTE: THE OPERATOR SHOULD
BE ON A SEPARATE FUSED LINE OF ADEQUATE
CAPACITY.
CAUTION
ALL ELECTRICAL CONNECTIONS MUST BE MADE
BY A QUALIFIED INDIVIDUAL.
Motor Assembly
Replacement Kit for
1/2 HP FDO-Line Operators
WARNING
WARNING