SOP – Engineering – Checklist – Dish Washing Machine Maintenance

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Standard Operating Procedure for Dish Washing Machine Maintenance Checklist

To ensure that dishwashing machines run efficiently in hotels, it is important to establish a Standard Operating Procedure (SOP) for their maintenance. The first step is to create a cleaning schedule that outlines the tasks that need to be performed daily, weekly, monthly, and quarterly.

Daily tasks may include wiping down the exterior of the machine, checking the detergent and rinse aid levels, and removing any debris from the filters. Weekly tasks may include cleaning the interior of the machine, checking the water temperature and pressure, and inspecting the spray arms for damage. Monthly tasks may include descaling the machine and checking the water hardness level. Quarterly tasks may include checking the electrical connections and inspecting the hoses for wear and tear.

It is important to train staff on the SOP and ensure that they understand the importance of following it. Regular inspections should be conducted to ensure that the SOP is being followed and to identify any issues that may need to be addressed. By following a well-designed SOP, hotels can ensure that their dishwashing machines are running efficiently and that guests are provided with clean and hygienic dishes.

Dish Washing Machine Maintenance Checklist and Procedure:

Required Tools:

  • Plier.
  •  Screwdriver.
  •  Clamp meter.
  •  Tester.
  •  Air Blower.
  •  Crimping tool.
  •  Oil Cane.
  •  Brush.
  •  Greasing Gun.
  •  Spanner Set.
  •  Cleaning Cloths.

Consumable Parts:

  • PVC Tape.
  •  Carbon.
  •  Removing.
  •  Compound.
  •  Old Clothes.
  •  Oil & Grease.
  •  WD-40.

Maintenance Activity and Checklist:

  • MCB – Loose & burnt electrical connection and rating of MCB to be checked.
  •  Selector Switch – burnt terminal loose connections and defective s/s to be checked.
  •  Final indicator – Fused bulb to be checked.
  •  Contactors – burnt contacts and operation of the contactor.
  •  Over Load relay – setting and operation of Overload to be checked.
  •  Loose Electrical Connections – to be checked.
  •  Proper Thimbling – burnt connections and thimbles to check.
  •  Motor – Full load Amps, Bearings noisy, cooling Fans and its terminal plate to be checked.
  •  Pump – Mechanical seal, and the impeller to check.
  •  Steam Connection – Any steam leakage and joints to check.
  •  Water connection – Any water leakage from joints.
  •  Mechanical system – Oiling, greasing, gasket, loose nut bolts to be checked.
  •  Drainage – blocked drain system to check.
  •  Door Operation – Door hinges, and proper closing of the door to be checked.
  •  Cleaning – to be cleaned
  •  Balancing and foundation – Broken & loose foundations to be checked.
  •  Check the steam pressure is 25 PSI.
  •  Check washing Motor Full Load 3 Amp.
  •  Check Conveyor motor – 0.2 – 0.3 Amp.
  •  Check the MCB – 23 Amp.
  •  Check Control voltage – 24 V.
  •  Check the Pre-washing motor full load of 2.5 Amp.

Remarks by the Technician:



Training Questions:

  1. Why is it important to establish a Standard Operating Procedure (SOP) for dishwashing machine maintenance in hotels?
  2. What are the daily tasks outlined in the maintenance checklist for dishwashing machines, and why are they important?
  3. Explain the significance of weekly tasks such as checking the water temperature and pressure in the dishwashing machine.
  4. What are the monthly maintenance tasks mentioned in the checklist, and why is descaling the machine necessary?
  5. Describe the purpose of quarterly tasks like checking electrical connections and inspecting hoses for wear and tear in the dishwashing machine maintenance checklist.
  6. Why is it crucial to train staff on the SOP for dishwashing machine maintenance, and how can their understanding be ensured?
  7. What role do regular inspections play in ensuring the efficient functioning of dishwashing machines in hotels?
  8. List some required tools and consumable parts mentioned in the dishwashing machine maintenance checklist.
  9. Explain the importance of checking the MCB (Miniature Circuit Breaker) during dishwashing machine maintenance.
  10. Describe the significance of inspecting the selector switch and the final indicator in the maintenance activity.
  11. What are the key components of the dishwashing machine’s motor that should be checked during maintenance?
  12. Why is it necessary to check the pump, steam connection, water connection, and the mechanical system during maintenance?
  13. What aspects of the dishwashing machine are inspected for drainage-related issues during maintenance?
  14. Explain why door operation and cleaning are essential components of the dishwashing machine maintenance checklist.
  15. Provide details on the specified checks for steam pressure, washing motor full load, conveyor motor, MCB, and control voltage.
  16. What is the role of the technician’s remarks and signature in the SOP for dishwashing machine maintenance?

These questions aim to evaluate the reader’s understanding of the SOP for Dish Washing Machine Maintenance, emphasizing specific tasks, components, and their significance in ensuring the efficient operation of dishwashing machines in a hotel setting.

SOP Number: Hotel Engineering SOP  – 06
Department: Engineering and Maintenance
Date Issued: 15–Feb-2018
Time to Train: 30 Minutes
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