AEC WD 350 through WD3000 Dehumidifying Dryers - Manual (Page 80)

Preventive Maintenance Checklist
AEC/Whitlock Dehumidifying Dryers
Dryer model #
Serial #
Every week Date/
By
Date/
By
Date/
By
Date/
By
Date/
By
Date/
By
Date/
By
Date/
By
Date/
By
Date/
By
Date/
By
Date/
By
Date/
By
Inspect all filters for
wear, replace/
clean if dirty or
worn.
Check air regulator
to make sure pres-
sure is 60-80 psi
(413.7 to 551.6 kPa
/4.1 to 5.5 bars). (If
applicable)
Every month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Lock out electrical
power and inspect
electrical wiring for
integrity.
Lock out electrical
power and check
heater elements for
continuity using an
ohmmeter.
Check dew point
and temperature
tracking with an
external dew point
monitor and
pyrometer.
Visually inspect the
shifting of the
airflow valve during
one cycle.
Every year Next scheduled
inspection
Actual inspection
Date/By
Next scheduled
inspection
Actual inspection
Date/By
Inspect desiccant.
Replace if brown or
broken.
Every two years Scheduled
replacement date
Actual replacement
Date/Work done by
Scheduled
replacement date
Actual replacement
Date/Work done by
Replace desiccant.
- Photocopy this page for your maintenance records -
WDMR and WDFR Series Dehumidifying Dryers Page 79