BAC VX Series Operation & Maintenance Manual page 6

Recommended Maintenance Service
Type Service
Inspect general condition of the unit
Clean Debris from Unit
Clean and Flush Sump
Clean Sump Strainer
Check and adjust Sump Water Level
Inspect Heat Transfer Section
Inspect Spray Nozzles
Check and Adjust Fan Belt Tension
Check and Adjust Bleed Rate
Check Operation of Make-Up Valve
Check Unit for Unusual Noise or Vibration
Check Fan Bearing Locking Collars
Check Motor Voltage and Current
Lubricate Fan Shaft Bearings
Lubricate Motor Base Adjusting Screw
Check Fan for Rotation Without Obstruction
Check Fan and Pump Motor for Proper Rotation
Drain Sump and Piping
Inspect Protective Finish
Table 1. Recommended Maintenance Services for VX Equipment
WARNING: Do not perform any
service on or near the fans, motors
and drives, or inside the unit
without first ensuring that the fans
and pumps are disconnected and
tagged out.
Start-Up Monthly
NOTES:
1. Recommended service intervals are the minimum for typical installations.
Different environmental conditions may dictate more frequent servicing.
2. When operating in ambient temperatures below freezing, the unit should be
inspected more frequently.
3. Tension on new belts must be readjusted after the first 24 hours of
operation and quarterly, thereafter.
Every 6
Shutdown Annually
months