Maintenance Schedule

Maintenance Service

Monthly

Semi-annually

Seasonal Startup or Annually

 

 

 

 

Inspect General Condition and Operation

x

 

x

 

 

 

 

Observe Operation of:

 

 

 

 

 

 

 

Mechanical–motor, pump, fan and drive mechanism

x

 

x

 

 

 

 

Makeup valve (if equipped)

x

 

x

 

 

 

 

Inspect for unusual noise or vibration

x

 

x

 

 

 

 

Inspect and Clean:

 

 

 

 

 

 

 

Air inlet

x

 

x

 

 

 

 

PVC drift eliminators

x

 

x

 

 

 

 

Distribution system and nozzles

x

 

x

 

 

 

 

Collection basin

x

 

x

 

 

 

 

Fan and pump motor exterior

x

 

x

 

 

 

 

Coil surface

 

x

 

 

 

 

 

Check:

 

 

 

 

 

 

 

Collection water basin level

x

 

x

 

 

 

 

Blowdown–adjust as required

x

 

x

 

 

 

 

Lube lines if equipped:

 

 

 

 

 

 

 

Check for leaks in hoses or fittings

x

R

x

 

 

 

 

Belt drive:

 

 

 

 

 

 

 

Fan shaft bearing lubrication (every 3 mo.)

 

every 3 months

every 3 months

 

 

 

 

Check and tighten support fasteners

 

 

x

 

 

 

 

Check shaft, sheave and belt alignment

 

 

x

 

 

 

 

Check belt tension and condition

 

x

x

 

 

 

 

Check sheave bushing fastener torque

 

 

x

 

 

 

 

Fan:

 

 

 

 

 

 

 

Check fan assembly fasteners

 

 

x

 

 

 

 

Motor:

 

 

 

 

 

 

 

Lubricate (grease as required)

 

 

R

 

 

 

 

Check mounting bolts for tightness

 

 

x

 

 

 

 

Operate at least

3 hours a month

3 hours a month

3 hours a month

 

 

 

 

Basin Heater (if equipped):

 

 

 

 

 

 

 

Check for proper operation of temp/low water level sensor

 

 

x

 

 

 

 

Inspect/clean buildup of contaminant from sensor

 

x

x

 

 

 

 

Structure:

 

 

 

 

 

 

 

Inspect/tighten all fasteners

 

x

x

 

 

 

 

Inspect and touch up all metal surfaces

 

 

x

 

 

 

 

R — Refer to Component User Manual

Note: It is recommended at least weekly, that the general operation and condition be observed. Pay attention to any changes in sound or vibration that may signify a need for closer inspection.

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SPX Cooling Technologies none user manual Maintenance Schedule