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Exhaust Blower Inspections

Exhaust Blower Inspections

In Conjunction With Cleaning Schedules

by
Jerry Scoggins

Nelbud Service Group

As professional kitchen ventilation cleaning conยญtractors, we should make it a point to visually inspect the exhaust blower as part of our grease reยญmoval service schedules. The folยญlowing are critical points that need attention during service schedules.

    • Worn or cracked belts
        • Proper belt tension
    • Worn bearings
        • Proper bearing lubrication
        • Vibration due to misยญaligned pulleys

Your customers will appreciateย your going the extra mileย . . . good service, information and helpful tipsย will prevent any down time in their system and lost revenue due to exhaust blower failure.

Those of you who include exยญhaust blower maintenance as part of your system service schedules should take special care in making adjustments to kitchen exhaust ventilation to accommodate cusยญtomers’ complaints such as “I think the fan is running too slow or too fast”. This involves many factors, including a clear underยญstanding of cooking equipment configurations and the grease proยญduction associated with it. Below are some cases associated with improper adjustments.

Low air velocities could causeย the following:

1. Smoke loss or better known as a capture problem.

2. Poor and/or lack of grease extraction.

3. Excessive heat in duct systems.

High air velocities could causeย the following:

1. Excessive noise in the duct systems.

2. Grease being pulled off the ducts and into the air stream.

3. Grease accumulating on the exhaust blower and/or on the roof.

As for grease accumulating on the roof, this tends to make cusยญtomers very unhappy. This could result in a call back to clean the roof at your expense. Exhaust blower efficiency and air speeds, along with preventive mainteยญnance and inspections will insure that we truly stand by the trade name “Professional Kitchen Ventiยญlation Cleaning Contractors.”

This article appeared in the Summerย 1997 edition ofย The Scratch Pad

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