©2013 EVAPCO Europe Bulletin 116R-E Metric 0218
OPTIONAL ACCESSORIES
JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC
1. Heater – Inspect junction box for loose wiring and moisture –
one month after start-up and semi-annually
2. Heater – Inspect elements for scale build-up – quarterly
3. Electronic Water Level Controller – Inspect junction box for
loose wiring and moisture – semi-annually
4. Electronic Water Level Controller – Clean probe ends of scale
build-up – quarterly
5. Electronic Water Level Controller – Clean inside the standpipe
– annually
6. Solenoid Make-up Valve – Inspect and clean valve of debris –
as needed
7. Vibration Switch (mechanical) – Inspect enclosure for loose
wiring and moisture – one month after start-up and monthly
8. Vibration Switch – Adjust the sensitivity - during start-up and
annually
9. Sump Sweeper Piping – Inspect and clean piping of debris –
semi-annually
10. Clean Dry Coil(s) – semi-annually
DURING IDLE PERIODS
1. Two or more days: energize motor space heaters or run mo-
tor for 10 min twice daily
2. One Month or longer: Rotate motor shaft/fan 10 turns – bi-weekly
3. One Month or longer: Megger test motor windings – semi-
annually
PROCEDURE
JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC
1. Clean pan strainer – monthly or as needed
2. Clean and flush pan* – quarterly or as needed
3. Check bleed-off valve to make sure it is operative – monthly
4. Lubricate pump and pump motor according to manufacturer’s
instructions
5. Check operating level in pan and adjust float valve if neces-
sary – monthly
6. Check water distribution system and spray pattern – monthly
7. Check drift eliminators – quarterly
8. Check the fan blades for cracks, missing balancing weights,
and vibrations – quarterly
9. Check sheaves and bushings for corrosion. Scrape and coat
with ZRC - annually
10. Lubricate fan shaft bearings – every 1000 hours of operation
or every three months
11. Lubricate fan motor bearings – see mfg’s instructions. Typi-
cally for non-sealed bearings, every 2-3 years
12. Check belt tension and adjust – monthly
13. Inspect and grease sliding motor base - annually or as needed
14. Check fan screens, inlet louvers, fans and (dry) cooler coil.
Remove any dirt or debris – monthly
15. Inspect and clean protective nish – annually
- Galvanized: scrape and coat with ZRC
- Stainless: clean and polish with a stainless steel cleaner
16. Check water quality for biological contamination. Clean unit as
needed and contact a water treatment program* – regularly
17. Check coil surface for scale and/or corrosion - every 6 months
MAINTENANCE CHECKLIST
Operation and Maintenance Instructions
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