Maintenance Schedule - SPX Marley NC Series Installation Operation & Maintenance

maintenance schedule

Maintenance Service
Inspect General Condition and Operation
Observe Operation of:
Mechanical–motor, fan and drive mechanism
Makeup valve (if equipped)
Inspect for unusual noise or vibration
Inspect and Clean:
Air inlet
PVC drift eliminators
Distribution basin, nozzles and collection basin
Fan motor exterior
Check:
Collection water basin level
Blowdown–adjust as required
Geareducer Drive (if equipped):
Check for loose fasteners including oil drain plug
Check for / repair oil leaks
Check oil level
Change oil
Make sure vent is open
Check driveshaft or coupling alignment
Check for loose driveshaft or coupling fasteners
Check driveshaft or coupling bushings or flex element for unusual wear
Lube lines (if equipped):
Check for oil leaks in hoses or fittings
Belt drive (if equipped):
Fan shaft bearing lubrication (every 3 mo.)
Check and tighten support fasteners
Check shaft, sheave and belt alignment
Check belt tension and condition
Check sheave bushing fastener torque
Fan:
Check and tighten blade and hub fasteners
Check fan blade pitch and tip clearance
Check fan cylinder for loose fasteners
Motor:
Lubricate (grease as required)
Check mounting bolts for tightness
Operate at least
Basin Heater (if equipped):
Check for proper operation of temp/low water level sensor
Inspect/clean buildup of contaminant from sensor
Structure:
Inspect/tighten all fasteners
Inspect and touch up all metal surfaces
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.
Monthly Semi-annually
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every 3 months
3 hours a month 3 hours a month
Seasonal Startup or Annually
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x
x
x
x
x
x
x
x
x
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R
x x
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x x
R x
every 3 months
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x
x x
x
R x
x
R x
R
x
3 hours a month
x
x x
x x
x
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