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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 3501C

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Maintenance Plans for Baltimore Aircoil Company Cooling Tower Model 3501C

Integrate maintenance plans directly into your work orders in MaintainX.

Initial 4 Weeks / 500 Hours Gear Drive Oil Replacement

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.

Drain the oil at operating temperature through the drain plug.

Refill the gear drive through the oil fill elbow with the recommended type and amount of lubricant.

Upload a photo of the refilled gear drive.

Sign off on the oil replacement procedure.

Run this procedure

6 Monthly / 2500 Hourly Gear Drive Oil Replacement

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.

Drain the oil at operating temperature through the drain plug.

Refill the gear drive through the oil fill elbow with the recommended type and amount of lubricant.

Upload a photo of the refilled gear drive.

Sign off on the gear drive oil replacement.

Run this procedure

3 Monthly Cooling Tower Maintenance

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.

Inspect and clean as necessary:

Adjust belt tension

Loosen the lock nut on the motor base adjusting screw.

Turn the motor base adjusting screw clockwise to tension the belt or counterclockwise to relieve belt tension.

During adjustment of the belt tension, rotate the drives several times by hand to evenly distribute the tension throughout the belt.

When the belt is properly tensioned, retighten the locking nut on the motor base adjusting screw.

Lubricate motor base adjusting screw

Check motor voltage

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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

Loosen the lock nut on the motor base adjusting screw

Turn the motor base adjusting screw

Rotate the drives several times by hand to evenly distribute the tension throughout the belt

When the belt is properly tensioned, retighten the locking nut on the motor base adjusting screw

Sign off on the belt tension adjustment

Run this procedure