SPX Cooling Technologies MARLEY AV 98-1514E - Manual (Page 27)

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Maintenance Schedule
Maintenance Service Monthly Semi-annually Seasonal Startup or annually
Inspect General Condition and Operation x x
Observe Operation of:
Mechanical–motor, 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 basin, nozzles and collection basin x x
Fan motor exterior x x
Check:
Collection water basin level x x
Blowdown–adjust as required x 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 and tighten blade and hub fasteners x
Check fan blade pitch and tip clearance x
Check fan cylinder for loose 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.