JOBO AG

Service Analog

REMOVAL OF THE ATL-3 LOWER MOTOR UNIT

You will need:

Remove the upper head from the lower motor unit. For instructions on upper head
click here.

Unplug the unit.
At the rear of the unit, on the lower portion of the front/back switch, there is a sensor with a wire that runs into the motor unit. The sensor is held in place by 2 small flathead screws and washers. Remove the back screw completely, then loosen the front screw and slide the sensor out of its position. Note: Do not to drop the screws or washers into the water bath.
Using the 3mm Allen driver, remove the six Allen screws that secure the motor unit to the trough. Remove the3 screws across the front and 3 across the back. If these screws are very tight, you may need to use the vice-grip pliers to loosen them.
Follow the wire from the chemical temperature sensor into the lower motor unit. Reach into the access area and unplug the sensor.
If your processor is an ATL-3 tabletop model, you may now lift out the lower motor unit.

SPECIAL NOTES REGARDING UNITS WITH CHEMICAL AUTO REFILL

Be sure the main power cord is unplugged!
Roll out the cart that holds the 15 liter bottles. Open the door below the pump drawer.
Remove the flathead screw that holds the pump drawer in place. Pull the drawer out about 1 foot.
On the left side of the unit in the sink area, there is a power cord that runs back and down through a cutout in the trough, and forward into the pump drawer. Follow the cord and cut the ty-wraps that secure it.
Toward the front of the drawer, the power cord runs through a clamp. Remove the screw on the clamp and release the power cord.
Lift up the gray hinged door that holds the circuit board in the front of the drawer.
Inside under the circuit board, on the left, there is a power block. The power cord is connected by 3 wires on the right side of the block. Disconnect the cord.
Thread the power cord through the bottom of the drawer and back through the cutout in the trough.
You may now lift out the lower motor unit.