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6
Before Start-up
See Geareducer Service Manual for oil filling procedure and list of
recommended lubricants.
• Rotate fan by hand to be sure of free rotation and ample tip clearance.
See Marley Fan Service 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 vibra-
tion 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. Circu-
late 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