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Seasonal Shutdown Instructions
Tower
Drain all tower piping.
During shutdown, clean the tower and make any necessary repairs. Ap-
ply protective coating as required to all metal parts. Particular attention
should be given to mechanical equipment supports, drive shaft and drive
shaft guards, Geareducers, and motors.
See Warning note on page 17 regarding tower cleaning.
Visually inspect for concrete deterioration. If ambient temperature is 32°F
(0°C) or below, do not put cold water on tower.
Mechanical Equipment
Shutdown for less than 3 months.
Each month, drain water condensate from the lowest point of the Geareduc-
er and its oil system. Check oil level and add oil if necessary. Operate
Geareducer briefly to recoat all interior surfaces with oil. At start-up, drain
water condensate and check oil level. Add oil if necessary.
Refer to Geareducer Service Manual for maintenance and lubrication
instructions.
Shutdown for 3 months or longer.
If the motors have space heaters, operate mechanical equipment one hour
each month. Space heaters should be energized anytime motor is not
operating. If the motors do not have space heaters, operate mechanical
equipment one hour each week. At start-up, operate mechanical equip-
ment one hour or until oil is warm, then shut the equipment down. Drain
the oil and refill with new oil.
Refer to Geareducer Manual for instruction on changing oil. Refer to Marley
Downtime Instruction Manual for downtime of 6 months or longer.
Electric Motors
Do not start motor without determining that there will be no interfer-
ence with free rotation of the fan drive. Refer to Marley Electric Motor
Service Manual.
If shutdown period is longer than seasonal, contact your Marley sales
office or representative for additional information.
▲ Caution