SPX Flow SPX Flow Refrigerated Type Compressed Air Dryer HG-50 HG-50

WARNING! Disconnect power supply and depressurize dryer before performing any maintenance.

NOTE: Before corrective maintenance is done during the warranty period, call your local distributor and proceed according to instructions. Refer to the warranty for limits of your coverage.

Check the separator for condensate discharge.

If no discharge is evident, depressurize and perform the following:

Electric Drain - Clean strainer and/or clean/replace solenoid valve.

Sign off on the daily air dryer maintenance

WARNING! Disconnect power supply and depressurize dryer before performing any maintenance.

For continued good performance of your refrigerated dryer, all refrigeration system maintenance should be performed by a competent refrigeration mechanic.

NOTE: Before corrective maintenance is done during the warranty period, call your local distributor and proceed according to instructions. Refer to the warranty for limits of your coverage.

Inspect the condenser coils. Remove accumulated dust and dirt with a soft brush or with air from an OSHA approved compressed air nozzle that limits the discharge pressure to 30 psig.

Sign off on the monthly air dryer maintenance

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

Disconnect main power supply to dryer

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.

Remove screw and washer from front of the drain valve

Remove the power supply connector and gasket (with the timer assembly if attached) from the solenoid coil housing. Do not damage or lose the gasket.

Remove coil fixing nut and spring washer from top of solenoid coil housing