Sterling STT40 Maintenance schedule, System model #, Serial #, Every week, Every year, month

STT40 / STT70

5.1. Maintenance schedule

The checklist below contains a list of items which should be inspected and/or replaced to keep your Dehumidifying Dryer operating at peak efficiency. Perform each inspection at the regular intervals listed below.

System model #

Serial #

Every week

Date/

Date/

Date/

Date/

Date/

Date/

Date/

Date/

Date/

Date/

Date/

Date/

Date/

By

By

By

By

By

By

By

By

By

By

By

By

By

Inspect all filters for

wear, replace/

clean if dirty or

worn.

Check to make

sure that all hose

conections are

air tight.

Every

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

month

Lock out electrical

power and inspect

electrical wiring for

integrity.

Check main power

switch and ensure

that signal lamps

are functioning

properly.

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

Actual inspection

Next scheduled

Actual inspection

inspection

Date/By

inspection

Date/By

Inspect desiccant. Replace

if brown or broken.

Every two years

Scheduled

Actual replacement

Scheduled

Actual replacement

replacement date

Date/Work done by

replacement date

Date/Work done by

Replace desiccant.

Whenever the material is changed: The drying hopper and suction box must be cleaned.

The service intervals provided above are based on a 3-shift operation.

-Photocopy this page for your maintenance records –

Maintenance 5-3