SPX Cooling Technologies MARLEY CLASS 800 - Manual (Page 6)

6
Before Start-up
• Rotate fan by hand to be sure of free rotation and ample tip clearance. See
Marley Fan User Manual.
• Check motor insulation with a “Megger.” See maintenance section of Marley
Electric Motor Service Manual.
• Lubricate the motor according to motor manufacturer’s instructions.
• Test run each fan separately for a short time. Check for excessive vibration
or unusual noise. If either is present, see Troubleshooting on pages 22
and 23 of this manual. Fan must rotate clockwise when viewed from above.
Recheck Geareducer oil level.
• Check functioning of make-up water supply.
• Make sure the blowdown or bleed-off will carry the proper amount of water.
(See Blowdown on page 18.)
Operate Water System
Complete steps 1 thru 4 under Initial Starting Procedure on page 7.
Circulate water over the tower continuously for several days before starting
the mechanical equipment and putting the tower into continuous operation.
Do not circulate water over the tower in freezing weather without a
heat load. (See Caution note on page 8.)
Caution