SPX Cooling Technologies MARLEY CLASS 800 - Manual (Page 20)

20
Seasonal Shutdown Instructions
Tower
Drain all tower piping.
During shutdown, clean the tower and make any necessary repairs. Apply
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 Geareducer
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 User 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 equipment one hour or until oil is
warm, then shut the equipment down. Drain the oil and refill with new oil.
Refer to Geareducer User Manual for instruction on changing oil. Refer to
Marley Downtime User Manual for downtime of 6 months or longer.
Electric Motors
Do not start motor without determining that there will be no
interference with free rotation of the fan drive. Refer to Marley
Electric Motor User Manual.
If shutdown period is longer than seasonal, contact your Marley sales office
or representative for additional information.
Caution