Table of Contents
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This section contains general maintenance instructions for your Blower unit. For specific information about
maintenance of components, particularly for special application blowers, contact AIR.
Contents
1.
General Motor Maintenance ..............................................................................................................................2
2.
Drive Maintenance .............................................................................................................................................2
2.1.
Belt Tension Adjustment ............................................................................................................................3
2.2.
Sheave Aligment .........................................................................................................................................4
3.
Bearing Maintenance .........................................................................................................................................7
3.1.
Bearings NTN ..............................................................................................................................................7
3.2.
Bearings - DODGE .......................................................................................................................................7
4.
Blower Wheel and Shaft Maintenance ...............................................................................................................9
5.
Structural Maintenance ......................................................................................................................................9
6.
Troubleshooting Guidelines ............................................................................................................................ 10
6.1.
Troubleshooting Performance Problems ................................................................................................ 10
6.1.1.
Air Capacity Problems ...................................................................................................................... 10
6.1.2.
Noise ................................................................................................................................................ 10
6.1.3.
Vibration .......................................................................................................................................... 10
6.1.4.
Motor Problems............................................................................................................................... 11
6.1.5.
Drive Problems ................................................................................................................................ 11
6.1.6.
Bearing Problems............................................................................................................................. 11
7.
Lubrication (Only applies to DODGE bearings): ............................................................................................... 12
www.air-eng.com / (706)364-0010 / 1765 Tobacco Rd., 30906 Augusta,GA USA
Blower
Maintenance
TB-33, Rev. 01
Date: 08-14-2020
Written By: FO
Page 1 of 12
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Table of Contents
Summary of Contents for Air UCP206-103D3
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Page 1: Table Of Contents
Written By: FO Maintenance Page 1 of 12 This section contains general maintenance instructions for your Blower unit. For specific information about maintenance of components, particularly for special application blowers, contact AIR. Contents General Motor Maintenance ..........................2 Drive Maintenance .............................2 2.1. -
Page 2: General Motor Maintenance
When replacing belts, replace the entire set. After initial replacement and tensioning, recheck belt tension after a few days to adjust belt tension again. New belts require a break-in period of operation. www.air-eng.com / (706)364-0010 / 1765 Tobacco Rd., 30906 Augusta,GA USA... -
Page 3: Belt Tension Adjustment
8. Inspect the belt drive after 24-48 hours of run time. The initial stretch is taken out of the belts and the belts seat lower in the sheaves. Check belt tension to assure it fall between the maximum and minim values show in the table. www.air-eng.com / (706)364-0010 / 1765 Tobacco Rd., 30906 Augusta,GA USA... -
Page 4: Sheave Aligment
Precise alignment of belt driven machinery is essential to increase belt and pulley life, reduce vibration, and reduce energy costs. It is possible to determine the type of misalignment and how to correct it by using this document: www.air-eng.com / (706)364-0010 / 1765 Tobacco Rd., 30906 Augusta,GA USA... - Page 5 The pattern will vary depending on the type of misalignment, as shown in figure 5, 6, 7 and 8. www.air-eng.com / (706)364-0010 / 1765 Tobacco Rd., 30906 Augusta,GA USA...
- Page 6 The pulleys are now successfully aligned! *NOTE: When tightening the belt, check the horizontal angle alignment and adjust if necessary. WARNING: Switch OFF THE LASER UNIT AND REMOVE BOTH UNITS before starting machinery. www.air-eng.com / (706)364-0010 / 1765 Tobacco Rd., 30906 Augusta,GA USA...
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Page 7: Bearing Maintenance
Page 7 of 12 Bearing Maintenance For instructions covering bearing assembly or disassembly, or installation details, please contact AIR Engineering. Any bearing which is disassembled should be kept separate from other bearing parts as components may not be interchangeable. Maintain cleanliness of components and bearings to prevent bearing contamination. - Page 8 NOTE: On all Setscrew Product the setscrews can be re-torqued many times without damage to the bearing system. AIR recommends a monthly inspection and tightens of all set screws. To achieve maximum shaft holding power it is highly recommended that setscrews be replaced with new hardware after any disassembly operation.
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Page 9: Blower Wheel And Shaft Maintenance
Improper mounting can lead to poor operation characteristics or fan fatigue and failure. Check metallic components for corrosion, cracks, or other signs of stress. www.air-eng.com / (706)364-0010 / 1765 Tobacco Rd., 30906 Augusta,GA USA... -
Page 10: Troubleshooting Guidelines
6. Parts of system or fan have been damaged or need cleaning. 6.1.2. Noise 1. Air performance is incorrect and fan is not at design point of operation. Fan forced to operate in an unstable flow region. 2. Bearing failure. Check bearings (lubrication). -
Page 11: Motor Problems
4. Temperature: If a bearing temperature begins to gradually rise, it will generally result in failure. A bearing can operate up to 200 degrees and operate satisfactorily if the temperature remains constant and the bearing receives adequate lubrication. www.air-eng.com / (706)364-0010 / 1765 Tobacco Rd., 30906 Augusta,GA USA... -
Page 12: Lubrication (Only Applies To Dodge Bearings)
If the bearing is fastened to the shaft first, tightening the pillow block bolts may bind the shaft and preload the bearings. www.air-eng.com / (706)364-0010 / 1765 Tobacco Rd., 30906 Augusta,GA USA...
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