Most industrial and commercial fans are veryreliable, designed for long life under a multitude ofconditions. However, breakdowns do happen. Theycan be caused by incorrect installation, lack ofmaintenance, improper selection or, over the years,have simply worn out. These are just some of theproblems that can happen to your fans....

Fan wheel or rotor out of balance. Airfoil blades can get water inside of them. Wheel corrosion or erosion. Loose set screws or bolts holding the wheel to shaft.Bent fan shaft. Air pulsation. (Fan may be operating in the stall area of its

xxxxperformance curve or is oversized for your particular system)Foreign material in the fan housing. Loose or misaligned V-belts. Worn or failing ball/roller bearings. Improper lubrication, over/under greased.Coupling misalignment.

“Fan’s been fine foryears, now what?”

WHARTON CENTEROne Harry Shupe Blvd., PO Box 511, Wharton, NJ 07885973-537-0400 Fax: 973-537-0404Web Site: www.elongo.com E-mail: info@elongo.com

Additional Facilities:New York, NY 212-929-7128 Linden, NJ 908-925-2900©2003 LONGO

F A N S & B L O W E R S

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“Fan’s been fine foryears, now what?”

2. Service/RepairOnce a problem is discovered, Longo’s field and shopexpertise takes over. Where it is not practical to remove theunit, our factory trained technicians are fully equipped torepair your fan on site. When the circumstances dictate, ourField Service teams can remove even very large units forsafe and secure transport to one of Longo’s three facilities inWharton, NJ, Linden, NJ and NYC.

3. ReplacementWhen the time comes toreplace a fan, Longo is yoursource for the replacement ofall types of industrial fansranging in size from the largestboiler draft fans to small unitsfor building service and officeapplications. We supply newaxial, centrifugal and mixedflow fans from Twin CityAerovent Flakt forapplications such as:

CLEAN ROOMSMOKE CONTROLROOF EXTRACTOR UNITSCENTRAL PLANT VENTILATIONDRYING /HUMIDIFICATIONHEATING/VENTILATION/COOLINGPNEUMATIC CONTROLLED-VARIABLE PITCHDUST COLLECTORSCOOLING TOWERS

P R E V E N T I O N R E P A I R R E P L A C E M E N T

4. EfficiencyPremium Efficient MotorsNew Premium Efficiency Motors are available for fan andblower applications. Well-documented savings with theMotorUp® Program which entitle you to money rebates upfront...plus long term power savings.

Variable SpeedDrivesThe use of variable speeddrives is growing quicklyamong companies that want toextend life expectancy of theirfans and blowers and savesignificant energy. Just a 20%reduction in speed willprovide energy savings of50%.

Service Through Knowledge®

Longo can ensureyour fans andblowers stay inprime operatingcondition. We canimproveperformance and

uptime through periodic preventive maintenance.We can make any repairs as necessary and, finally,offer replacement options when repairs becomeuneconomical.

1. MaintenanceIneffective maintenance can cause unscheduleddowntime on your fans and blowers. Knowing what typeof maintenance to perform, and when, is certainly asmart move, not to mention providing peace of mind.Longo has put together a comprehensive Predictive andPreventive Maintenance Program that includes non-invasive analysis which can keep your fans running.

SERVICES INCLUDE:ON-SITE FAN BALANCINGLASER ALIGNMENTPREVENTIVE & PREDICTIVE MAINTENANCE PROGRAMSVIM® VIBRATION INFORMATION MANAGEMENTLUBRICATION/OIL ANALYSISPERMANENTLY INSTALLED

VIBRATION MONITORING EQUIPMENTENERGY EFFICIENCY ANALYSIS

Fans &&Blowers

Fans &&Blowers