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Last Updated | 11/19/2019 02:09 PM |
Project Title | Repair Bearing on #1 Induced Draft Fan |
Physical Address | View project details and contacts |
City, State (County) | Hanscom A F B, MA (Middlesex County) |
Category(s) | Single Trades |
Sub-Category(s) | HVAC |
Contracting Method | Competitive Bids. |
Project Status | Results |
Bids Due | View project details and contacts |
Estimated Value | Less than $25,000 |
Plans Available from | |
Owner | View project details and contacts |
Architect | View project details and contacts |
Description | SCOPE: Repair #1 Induced Draft Fan: - Lock Out Tag out. - Lock out power source before proceeding. - Disassemble fan unit to remove bearings. - Replace bearings with or similar: Drive end bearing 2-15/16” Fixed Dodge Imperial. - Non-drive end bearing 2-15/16” Dodge Series 1200 Double Row Roll. - Expansion bearing inside 1 1500 Series Split Pillow Block Housing (used for allowing up to ½” thermal expansion). - Grease to be used on motor Mobil Polyrex EM for electric motor bearings ISO VG/115 and Mobilith SHC 100 Synthetic IS VG/100 for shaft bearings. - Rotating assembly to be sent out for dynamically balancing. - Reestablish power to the drive motor via VFD and test complete fan assembly for proper operation. - Provide Red Lines. |
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