Compressed Air Dryer Chapter 5: Maintenance 22 of 31Chapter 5: MaintenanceThis dryer is designed to be virtually maintenance-free. This unit is factory-sealed. Anyservice required on this unit must be performed by factory personnel at the manufacturer’sfacility.WARNING! The compressed air dryer is sealed at the factory. Removing this sealand opening the box that houses the dryer will void your warranty.Please contact the manufacturer for assistance.5-1 Preventative Maintenance ScheduleWeekly Inspect all filters for wear, and replace/clean if dirty or wornCheck to make sure that all hose connections are air tightMonthly Lock out electrical power and inspect the main power supply for integrity.5-2 Cleaning and Replacing the FiltersThe 10 cfm compressed air dryer uses a large particle air filter in the process air system toclean the compressed air before it enters the drying cabinet. The optional remote-mountmembrane dryer assembly features a coalescing filter in addition to the large particle air filter.Regular filter cleaning is essential to keep the dryer operating at peak efficiency.Use the following procedure to clean or replace the process air filter or the membrane dryercoalescing filter:1. Turn off and lock out electrical power to the dryer.2. Remove the clear bowl at the bottom of the filter. (See Figure 6).3. Discard the contents of the clear filter bowl.4. Visually inspect the filter element.5. If needed, clean the filter element with compressed air or replace it.Caution! Do not clean or wash the filter with water.6. Replace the clear bowl.Figure 6: Large Particle Filter