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fan repair

Hardwood Manufacturer 50″ Fan

A hardwood flooring manufacturer contacted Horner about repairing a 50” Fan. With help from Indianapolis Field Service, Horner Fan and Fabrication had a 3 day window to repair this 50” fan wheel. This was the main dust collection fan for the plant. The structure around this fan made it very challenging to remove. The fan is inside the plant with structural steel above the fan and a concrete wall on two sides. After removing the insulation and the inlet fitting there was about 36” of space to maneuver this heavy wheel and 2-15/16” shaft out of the building. Once in the [...]

Hardwood Manufacturer 50″ Fan2023-03-15T10:31:14-04:00

Rooftop Exhaust Fan Safety Project

A customer who makes counter weights for fork trucks called Horner after a safety incident. One of their old exhaust fans has a failure and a blade from the prop fell to the manufacturing floor. The customer knew they not only had to replace the roof- top fans but needed to rethink the design for safety of the workers. So instead of 1 fan being repaired they decided all 4 rooftop exhaust fans would be redesigned. Fan and Fabrication came up with an aluminum safety screen that would be welded on the underside of the fans. This new custom safety screen [...]

Rooftop Exhaust Fan Safety Project2023-03-14T10:58:10-04:00

Powerplant Turbine Vent Fan/Motor

A power plant’s combined cycle generating station contacted Horner Salesperson Joseph Motz on Friday 12/16/22 regarding one of the Turbine Vent fan motors which had failed and was going to need to be replaced or repaired. As this motor is not accessible while the Turbine generator is running, Horner could not verify Motor dimensions for the possible replacement of the original OEM motor. The Station had a spare fan, but it did not come with a motor. Upon inspection of the fan and Impeller in the customers storeroom, it was noted that the base could accommodate the metric frame motor but [...]

Powerplant Turbine Vent Fan/Motor2023-03-03T11:34:10-05:00

Zoo Emergency

A local zoo called, they have their main surgery room fan that is down, and they have surgeries to do. On the fan the bearing base was thin sheet metal, it was all busted up and the bearing was hanging almost upside down on the shaft, it was just a total mess! I convinced Frankie, one of our newer Field Service Technicians to ride along. He was excited and ready to see what surprises we would find. I was able to call the customer and get all the measurements I asked for. This all seemed to be going too easy and [...]

Zoo Emergency2023-03-03T11:08:11-05:00

Vibration Issue on Forced Draft Fan

A 100 year old steam plant was having a long standing vibration issue that they could not correct. Our EMDS department determined the likely issue was the hub to shaft fit. Horner Machining Services did most of the work on this fan including: • Remove old bearing, couplings, and louvers • Press old shaft out of the fan • Sand blast the fan and louvers clean • steam clean coupling • set up new shaft and check for straightness, then install • Dynamic Balance • Paint and reinstall the original coupling Field Service did the on-site work for removal, installation, and [...]

Vibration Issue on Forced Draft Fan2022-01-26T23:26:33-05:00

Out Of Production Lock Nuts

One of Horner’s customers is a major supplier of automotive grade aluminum for major manufacturers of car and truck bodies. After the aluminum passes through a set of rolling mills to reduce the material thickness, the sheet passes through an annealing furnace to reduce material stresses from the rolling process. The annealing furnaces have fans circulating the furnace hot air to evenly distribute the heat to prevent hot spots. This particular fan assembly from one of the annealing furnaces had experienced a bearing failure. The shaft was initially sent to Horner Washington St to evaluate the damage to the main shaft. [...]

Out Of Production Lock Nuts2022-01-26T23:07:37-05:00

Lime and Stone ID Fan

A Lime and Stone Plant called in a panic that one of their Kiln ID Fans has an inboard bearing failure that caused extensive damage to the shaft. The Kiln ID Fan is a key element in this company’s production process, so they needed a quick turnaround. Our team procured the proper shaft material and Machining Services manufactured a new shaft. As a result of Horner’s great vendor relationships, Horner’s purchasing department secured new replacement bearings in record time. The fan was restored and balanced, then assembled with new shaft, bearings, RTDs and the coupling hub. The fan was delivered in [...]

Lime and Stone ID Fan2022-01-26T22:43:22-05:00

Cement Plant Fan on a Kiln

A Cement Plant in Ohio had a fan that is subjected to major abrasive wear due to the particulate in the atmosphere at the plant. Erosion on this fan causes this but they found it worse than normal. This was found during a short outage on a Kiln. Horner Fan and Fab and Horner Machining Services worked together to make this job a success. Heidi and Darrel worked together with their teams to pull off an amazing amount of highly skilled decisions and experienced work to make this job come together in the  time frame we were given. Right down to [...]

Cement Plant Fan on a Kiln2021-01-10T16:41:03-05:00

Roof Mounted Exhaust Fans

A Warehouse and Logistics Company was having electrical problems with three roof mounted exhaust fans. Apparently when installed they had been wired incorrectly. Time took its toll and the units eventually stopped working. The electricians who were called in to evaluate the unit, contacted Horner to evaluate the unit from a mechanical perspective. As suspected, the fans had been installed incorrectly as well. Upon inspection by Horner the following issues were found: incorrectly wired motors – causing failure and incorrectly mounted frames – causing belt wear, sheave deterioration and bearing failure. The customer had the units removed from the roof and [...]

Roof Mounted Exhaust Fans2021-01-09T21:10:08-05:00

A Fan That Cannot Be Balanced

A power plant kept getting above normal levels of unbalance on a 5000 horsepower 720 RPM fan. They had made several attempts trying to balance the fan, all of which failed. It was then that they made the decision to call in Nelson Baxter who is the manager of Horner’s EMDS Division. Equipment: A 5000 HP 720 RPM fan at a Power Plant. Symptoms: Above normal levels of unbalance that resisted balance efforts. Several attempts were made to balance the fan, all of which were unsuccessful. Test Results: After attempting several balance shots in an I.D. fan, the casing vibration levels [...]

A Fan That Cannot Be Balanced2021-01-08T23:18:48-05:00

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