Gardner Denver Gardner Denver Air Dryer RGD200A4 RGD200A4

Warning: Dismantling or working on any component of the compressed air system under pressure may cause equipment failure and serious personal injury. Before dismantling any part of the dryer or compressed air system, completely vent the internal pressure to the atmosphere.

Inspect the condenser coils monthly.

Remove dirt or other particles with compressed air from an OSHA-approved air nozzle that limits its discharge pressure to 30 psig (2.1 kgf/cm²), if necessary.

Sign off on the monthly air dryer maintenance

Warning: Dismantling or working on any component of the compressed air system under pressure may cause equipment failure and serious personal injury. Before dismantling any part of the dryer or compressed air system, completely vent the internal pressure to the atmosphere.

Check the operation of the automatic drain valve

See the Field Service Guide for remedies to drain valve malfunctions.

See the Automatic Drain Valve section for drain valve adjustment.

Sign off on the daily air dryer maintenance

• The valve body is attached to the valve strainer which is attached to the heat exchanger vessel.

CAUTION! Do not disassemble drain valve timer or attempt to repair electrical parts. Replace timer if defective.

• The drain valve discharge condensate through a full-port drain opening. The valve body may need to be cleaned under conditions of gross particulate contamination.

To disassemble the drain valve body for cleaning and other maintenance:

2. Disconnect main power supply to dryer.

4. Lock out and tag power supply in accordance with OSHA requirements.

WARNING! If power supply is not connected and unit is not depressurized before disassembly, serious personal injury and valve damage may result.