Atlas Copco Air Dryer CD 1,5+

Replace the inlet filter cartridge

Replace exhaust valve diaphragm and solenoid valves

Replace shuttle valve and o-rings

Sign off on the air dryer maintenance

• Replace the inlet filter cartridge.

• Replace desiccant cartridges.

Desiccant replacement procedure

1. Completely depressurise the dryer. Consult Stopping the dryer in section Operating instructions.

2. Remove the four M8 bolts from the top manifold of the dryer.

3. Remove the dryer from the air net (the top manifold is still connected to the piping.)

5. Turn the valve locking caps a quarter turn and lift to release them. Take out purge plugs.

Purge nozzle replacement procedure

1. Completely depressurise the dryer. Consult Stopping the dryer in section Operating instructions.

2. Remove the four M8 bolts from the top manifold of the dryer.

3. Remove the dryer from the air net (leave top manifold connected to the piping).

4. Turn the valve locking caps a quarter turn and lift to release them.

6. Insert the new purge nozzles, making sure the O-rings are in place at the bottom of the plugs.

7. Put the locking caps back in place and turn a quarter turn to tighten.

8. Connect the dryer to the top manifold making sure the O-rings are in place.

Warning: Ensure the dryer is off and unplugged before starting the procedure

Orange service warning LED (4) flashing at 11500 hours

Red service alarm LED (5) flashing at 12000 hours

Close off the dryer as described in the stopping procedure

Power cord of the dryer pulled out

Perform the service plan as scheduled

Dryer restarted by reconnecting the power cord

Counter restarted, dryer operating LED (1) alight, and LED's (2 and 3) indicating the cycling status of the dryer

Service warning LED (4) or service alarm LED (5) still flashing