- Spx Cooling Fan User Manual
16 
Maintenance
sibility to institute a program of water treatment and maintenance that will 
minimize their impact. (See Water Treatment on pages 18 and 19.)
Tower Framework
Inspect for cracks and spalling and repair if necessary. Keep bolts tight in 
the mechanical equipment supports. Maintain a positive Langelier index 
in your circulating water. (See Water Treatment on pages 18 and 19.)
Drive Shaft
Check drive shaft alignment and condition of couplings every six months. 
See the Drive Shaft Service Manual for correcting misalignment, balanc-
ing, or replacing parts.
Electric Motor
Lubricate and maintain each electric motor in accordance with the man-
ufacturer’s instructions. If repair work is necessary, contact the nearest 
representative of the motor manufacturer. See Warranty Section of Marley 
Service Manual on Electric Motors.
Fan
Inspect fan blade surfaces every six months. For detailed maintenance 
information, refer to Marley Fan Service Manual.
Geareducer
Make weekly and monthly oil checks. Inspect internal parts during sea-
sonal oil change. Refer to the Geareducer Service Manual for detailed 
maintenance instructions.
Cold Water Collection Basin
Inspect collection basin occasionally for cracks, leaks, and spalling and 
repair if necessary. Maintain a positive Langelier index in your circulating 
water. (See Water Treatment on pages 18 and 19.) Keep cold water out-
lets clean and free of debris. Make-up and circulating water controls must 
operate freely and maintain the desired water quantity in the system.










