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least tower maintenance. See Cooling Tower Inspection Check List in this
manual. Keep a continuous lubrication and maintenance record for each
cooling tower.
HOT WATER DISTRIBUTION SYSTEM–Keep the circulating water and
distribution system (piping and nozzles) clean and free of dirt, algae, and
scale. Algae and scale may clog nozzles, eliminators, fill, and piping, and
may collect on the equipment served thus reducing its performance.
An access hatch in the fan deck with ladder to an intermediate platform
provides means for inspection of the plenum area above the eliminators.
Removal of an access hatch at the plenum level allows access to the
spray chamber for inspection and maintenance of the nozzles and top of
fill. Provide surface protection before walking on the fill.
DRIFT ELIMINATORS–Eliminators should be kept clean.
Do not walk or step on the eliminators without planking and safety
harness.
COLD WATER COLLECTION BASIN (supplied by others)–Inspect collec-
tion basin occasionally for leaks and repair if necessary. Keep cold water
outlets clean and free of debris. Makeup and circulating water controls must
operate freely and maintain the desired water quantity in the system.
DRIVE SHAFT–Check drive shaft alignment and condition of couplings
every six months. See the Drive Shaft User Manual for correcting mis-
alignment, balancing, or replacing parts.
ELECTRIC MOTOR–Lubricate and maintain each electric motor in ac-
cordance with the manufacturer’s instructions. If repair work is necessary,
contact the nearest representative of the motor manufacturer. See Warranty
Section of Marley Electric Motors User Manual.
FAN–Inspect fan blade surfaces every six months. For detailed mainte-
nance information, refer to Marley Fan User Manual.
GEAREDUCER–Make weekly and monthly oil checks. Inspect internal
parts during seasonal oil change. Refer to the Geareducer User Manual
for detailed maintenance instructions.
PAINTING–Periodically clean and, if necessary, recoat all metal parts
subject to corrosion.
Warning