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Documents & Manuals

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Tensioning Guide
Belt-diagram
C-120 pulleys
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Work Order Templates

Pre-built workflows to keep your asset running smoothly.

Daily Electrical System Inspection
Replace Roller and Pulley
Install Engine B-120
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Procedures

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Motion Industries
Applied Industrial Technologies
Electrical Brothers
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Parts

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Drive Motor
B2 Rollers
Tensioning System
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Baltimore Aircoil Company Cooling Tower 3436C

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Maintenance Plans for Baltimore Aircoil Company Cooling Tower Model 3436C

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1 Weekly Gear Drive Oil Check

DANGER: Do not perform any service on or near the fans, motors, and drives, or inside the unit without first ensuring that the fans and pumps are disconnected, locked out, and tagged out.

Check oil level weekly with the unit idle. On units supplied with an external sight gauge, check the oil level of the external sight gauge and the sight gauge on the gear drive to ensure that the proper amount of oil is in the gear drive.

If equipped with an external oil line and site gauge, check weekly to make sure the breather hole at the top of the sight gauge is open.

Sign off on the weekly gear drive oil check

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Initial 24 Hours Belt Tension Adjustment

Belt Tension Adjustment

Lock nut on the motor base adjusting screw loosened

Direction of motor base adjusting screw rotation

Drives rotated several times by hand to distribute tension

Belt properly tensioned

Locking nut on the motor base adjusting screw retightened

Sign off on the belt tension adjustment

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3 Monthly / 2000 Hourly Fan Shaft Bearings Lubrication

Warning: Ensure that the fans and pumps are disconnected, locked out, and tagged out before performing any service.

Are the two pillow block ball bearings supporting the fan shaft present?

Is each bearing equipped with a lubrication fitting and a slinger/locking collar to keep out moisture?

Select the type of grease gun used

Select the type of grease used

Sign off on the fan shaft bearings lubrication

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Cooling Tower Maintenance

Start-up Procedure:

Inspect and clean as necessary:

· Inspect general condition of the unit and check unit for unusual noise or vibration

· Inspect cold and hot water basins

· Flush water distribution system/Inspect spray nozzles

· Drain basin and piping

· Inspect air intake louvers/Combined inlet shields

· Check and adjust water level in cold water basin

· Check operation of make-up valve

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1 Yearly Cooling Tower Maintenance

Inspect and clean as necessary:

· Inspect unit finish

Mechanical equipment system:

· Check drive alignment

– Check the drive alignment annually to ensure maximum belt life.

– Place a straight edge across the driver and the driven sheaves as shown in Figure 4a for standard drives and in Figure 4b for the BALTIGUARD™ Fan System or the BALTIGUARD PLUS™ Fan System.

– The straight edge should contact all four points as shown in Figure 4a indicating that the drives are properly aligned.

– There should be no more than 1/16” deviation from the four points of contact.

– In case of realignment, loosen the motor sheave, and align it with the fan sheave. Allow 1/4” for draw-up as the bushing screw is retightened.

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