Andco Actuators Linear Electric Actuator 7102S

Remove the pipe plug (23) located in the side of the housing (1)

Inspect the lubricant for proper consistency and quality

Is the lubricant level low or visibly contaminated?

Replace the pipe plug tightly after inspection

Further Inspection (if necessary)

Describe the cause of low or contaminated lubricant

Remove all the hex head cap screws (53) and associated lockwashers (54).

Remove the limit switch compartment cover (51) from the actuator assembly.

Remove all the hex head cap screws (69) and associated lockwashers (70).

Remove the thrust switch compartment cover (65) from the actuator assembly.

Disconnect all electrical power leads to the motor (30).

Remove all the carriage bolts and associated lockwashers.

Remove the motor end bell then the motor assembly from the actuator.

Remove the handwheel clutch assembly from the actuator.

Remove the brake cover to expose square head wear adjusting screws (15H) and the magnetic air gap 'A'.

Measure the air gap 'A' using a 3/8” to 1/2” wide feeler gauge at the center of the magnet.

Turn the two square head wear adjusting screws until the air gap 'A' measures the correct value for the model.

Is the air gap the same on both sides?

Ensure brakes are not adjusted for higher torques to prevent premature coil burnout.

Disconnect all electrical power to the actuator

Ensure surface is cool before proceeding

Remove the brake cover from the motor end bell

Disconnect the coil power wires from the terminal strip

Reverse the removal procedure to replace the brake assembly

Disconnect all electrical power to the actuator

Wear approved Personnel Protective Equipment

Keep hands clear of internal moving parts

Ensure service personnel are licensed/trained and authorized

Use assistance when moving or lifting

Disconnect electrical power leads to the motor