background image

12

3. At startup, operate mechanical equipment one hour or until the Geareducer 

oil is warm, then shut the equipment down. Drain the oil and refill.

Refer to the Geareducer User Manual for instruction on changing oil. 

Fan Motors

1. At start of downtime, clean all air passages and lubricate bearings. See 

the motor manufacturer’s instructions. Motors with sealed bearings do not 
require lubrication maintenance.

2. Each month, run motor until it has reached operating temperature. Space 

heaters are recommended. If space heaters are used, motors need to be run 
20 minutes minimum. Refer to the “Fan Motor” User Manual for additional 
information. 

Refer to the “Downtime Instructions” User Manual for downtime exceeding 
six months. If downtime period is longer than seasonal, contact your Marley 
sales representative for additional information.

maintenance

Summary of Contents for Marley F400

Page 1: ...F400 counterflow cooling tower OPERATION MAINTENANCE Z0248630_D ISSUED 8 2018 READ AND UNDERSTAND THIS MANUAL PRIOR TO OPERATING OR SERVICING THIS PRODUCT user manual...

Page 2: ...els or to important information concerning the life of the product Indicates presence of a hazard which can cause severe personal injury death or substantial property damage if ignored Indicates prese...

Page 3: ...188 and Guideline 12 2 Do NOT attempt any service unless the fan motor is locked out 3 Remove any sediment from the cold water collection basin sump and screens Use a water hose to flush cold water c...

Page 4: ...15 of this manual Fan must rotate clockwise when viewed from above Recheck Geareducer oil level 9 Check functioning of make up water supply Make sure the blowdown will carry the proper amount of water...

Page 5: ...approximate the contract requirements and the nozzle pressure should be kept constant Lower pressures may indicate excessive losses in the piping system and or insufficient pump capacity greater press...

Page 6: ...everse air flow by aspiration and may cause water blowout and therefore must be done with caution and moni toring For automatic operation a timer switch can be provided to shut the fan down for a few...

Page 7: ...piping and nozzles clean and free of dirt algae and scale Algae and scale may clog nozzles eliminators fill and piping and may collect on the equipment served thus reducing its performance An access...

Page 8: ...m the circulating system Blowdown is used to prevent the dissolved solids from concentrating to the point where they will form scale The amount of blowdown required depends upon the cooling range the...

Page 9: ...wer or heat exchangers Their presence can interfere with cooling efficiencies Proprietary compounds are available from water treating companies for the control of slime and or algae however compounds...

Page 10: ...ot form scale in the cooling tower if carbonate scaling does not occur in the condenser Exceptions If make up water contains surplus free carbon dioxide scaling may be inhibited in the condenser but m...

Page 11: ...before attempting 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 Mechanical E...

Page 12: ...rer s instructions Motors with sealed bearings do not require lubrication maintenance 2 Each month run motor until it has reached operating temperature Space heaters are recommended If space heaters a...

Page 13: ...larly in accordance with ASHRAE Standard 188 and Guideline 12 Workers performing decontamination procedures must wear personal protective equipment PPE as directed by their facility safety officer Coo...

Page 14: ...ket fits or bearing Rotor unbalance Rebalance Cooling fan hitting end bell guard Reinstall or replace fan Motor runs hot Wrong voltage or unbalanced voltage Check voltage and current of all three line...

Page 15: ...Have motor service person check motor Wrong motor rotation Wrong sequence of phases Switch any two of the three motor leads Geareducer noise Geareducer bearings If new see if noise disappears after on...

Page 16: ...tion 1 Good 2 Keep an eye on it 3 Needs immediate attention 1 2 3 Comments Structure Casing Material Structural Material Fan Deck Material Stairway Material Ladder Material Handrails Material Interior...

Page 17: ...Material Fans Manufacturer Fixed Pitch Adjustable Pitch Diameter Number of Blades Blade Material Hub Material Hub Cover Material Blade Assembly Hardware Tip Clearance min max Vibration Level Fan Cylin...

Page 18: ...M 9 Check oil for water and sludge M 10 Change oil S 11 Check fan blade tip clearance S 12 Check water level D D 13 Check for leakage W S S S 14 Inspect general condition S S S S Y S Y S Y S S S Y S...

Page 19: ......

Page 20: ...ERVED In the interest of technological progress all products are subject to design and or material change without notice F400 cooling tower US E R MAN UAL SPX COOLING TECHNOLOGIES INC 7401 WEST 129 ST...

Reviews: