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Originally posted – Apr 11, 2012
All dryers require regular attention to keep them operating at their peak performance level. Failure to address routine maintenance issues on dryers can significantly increase operating costs and, in the case of coin laundries, can result in customer dissatisfaction and loss of business.
Establish a Routine
A preventive maintenance routine will help keep your machinery operating reliably and at peak efficiency, improving profitability and reducing the potential for serious and costly problems. Here’s an easy-to-follow commercial dryer preventive maintenance schedule that should help your machines stay in tiptop shape:
Every Day:
• Clean the lint screens.
• Clean the door gaskets and mating surfaces with a damp clean cloth.
• Confirm that the door gaskets are correctly in place.
Weekly:
• Check makeup air inlets. Remove dirt, leaves and any debris blocking openings.
• Clean back panel grilles and louvers.
• Clean dryer service area – should be free of floor dust, lint on pipes and cables, and other combustible material.
Monthly:
• TURN OFF POWER TO THE MACHINE BEFORE PERFORMING THESE CHECKS.
• Open control compartment door.
• Check coin meters and remove any accumulated lint.
• Remove the rear panel and inspect all internal grates. Clean as necessary.
• Clean motor covers, motor cooling fins and motor cooling fans.
Quarterly:
• TURN OFF POWER TO THE MACHINE BEFORE PERFORMING THESE CHECKS.
• Remove the back panel of the machine and open the control compartment door.
• Clean accumulated lint from control components and compartments.
• Inspect wiring for damaged conductors and loose connections, and repair as needed.
Semi-Annually:
• TURN OFF POWER TO THE MACHINE BEFORE PERFORMING THESE CHECKS.
• Remove the back panel. Dismount fan assembly and inspect fan blades for lint accumulation. Clean as required.
• Inspect drive belts for dryness or cracking. Replace as necessary.
• Inspect the motor wiring harness and connectors for discoloration or signs of burning. These can be evidence of over-current conditions.
• Where applicable inspect motor capacitors for signs of leakage. Replace as required.
• Inspect exhaust ductwork for holes or loose joints.
• Inspect exhaust ducts for blockage. Clean as required.
• Ensure that all ductwork and fittings are in place, and properly connected.
Annually:
• TURN OFF POWER TO THE MACHINE BEFORE PERFORMING THESE CHECKS.
• Remove front panel.
• Clean accumulated lint around outer drum.
• Check door switch wiring for damage. Replace as required.
• If applicable, check front support roller bearings for wear. Replace if necessary.
• Check that there is no clearance movement in the drum bearings, there is no sign of the drum rubbing against the front panel and that felt seals are not worn. Repair, as needed.
Remember it’s extremely important to develop good maintenance habits. You’ll reduce machine downtime and repair costs, and increase availability and profits.
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