140.925-IOM (APR 2019)
Page 32
XLP3 EVAPORATIVE CONDENSERS
MAINTENANCE
RECOMMENDED MAINTENANCE INTERVALS
(1)
Inspect and clean as necessary:
Start-Up
Monthly Quarterly Annually Shutdown
Inspect general condition of the unit
(2)
and check unit for
unusual noise or vibration
X
X
Inspect cold water basin
X
X
Flush water distribution system/Inspect spray nozzles
X
X
Clean basin strainer
X
X
X
Drain basin and piping
X
X
Check and adjust water level in cold water basin
X
X
Check operation of make-up valve
X
X
Inspect coil
X
Check and adjust bleed rate
X
X
Inspect unit finish
X
Mechanical equipment system:
Check belt condition
X
X
Adjust belt tension
(3)
X
X
Lubricate fan shaft bearings
(4)
X
X
X
Lubricate motor base adjusting screw
(4)
X
X
X
Check drive alignment
(4)
X
Check motor voltage and current
X
X
Clean fan motor exterior
X
X
Check fan motor for proper rotation
X
Check general condition of the fan
X
X
Check fan for uniform pitch
(4)
X
Check fan for rotation without obstruction
X
X
Check and recoat steel shafts with RUST VETO®
(4)
X
X
X
Check optional basin heater and stand alone Frick
heater control panel
X
Test optional vibration cutout switch
(4)
X
X
1. Recommended service intervals are the minimum for typical installations. Harsh environmental conditions may dictate more frequent servicing.
2. When operating in ambient temperatures below freezing, the unit should be inspected more frequently. Refer to “Cold Weather Operation” for
more details.
3. Tension on new belts must be readjusted after the first 24 hours of operation and quarterly, thereafter.
4. On units equipped with Belt Drive Fan System only.
DANGER
Rotating equipment will cause severe personal injury or death to persons who come in contact. Do not perform any service
on or near the fans, motors, and drives, or inside the unit without first ensuring that the fans and pump motors are
disconnected, locked out, and tagged out.