Altec Heatless Regenerative Air Dryer MHR1600

Inlet pressure, temperature and flow within specifications

Tower pressure gauge reading within operating tolerance

Pressure in purging tower is 5 PSIG or less

Sign off on the air dryer check

Service Pilot Air-Filter element for maximum filtration efficiency

Check desiccant and replace if necessary.

Inspect and clean pilot operated valves and replace packing as necessary.

Inspect and clean solenoid valves, check valves and purge lines.

Test electrical components, replace as necessary.

• At high pressures a clogged muffler could result in a high backpressure and could result in mechanical failure or personal injury.

• For this reason the purge muffler must be periodically checked for any restrictive debris.

• If pressure is observed on the offline tower replace muffler immediately.;

Should either of the normally closed purge valves fail to operate check the following:

2. If air signal is present; disassemble, clean and replace diaphragm and seals.

3. If no air signal is present; see solenoid valve information in Maintenance Section.