Retort itself is one of the most reliable equipment within food industry with usual low to nil maintenance costs. However, a lack of preventive maintenance could lead to big headache in a few years of operation. Take a look at our recommended guidelines for carrying out a successful retort maintenance.
Retort maintenaince guidelines
Final user should prepare a preventive maintenance schedule based on the company history and findings with their own retorts. However, the following schedule couls be used as initial guidelines while earning operation know-how:
|Temperature sensors||Check all temperature measurements against the master thermometer and report to quality control any deviation +/- 0.5ºC||Daily|
|Master Thermometer||Send to a higher standard laboratory for calibration and certification||Yearly|
|Pressure sensors||Check all pressure measurements against the master gauge and report to quality control any deviation +/- 100 mbar||Weekly|
|Door||Inspect door, flanges surface, door lock and safety latch performance||Weekly|
|Heat exchanger by-pass valve||Check adjustment and reset if necessary||Monthly|
|Chain position switches||Check chain positioning and adjust the switches and reset the chain if necessary||Monthly|
|Conveyor chain||Check condition and tighten if necessary||Monthly|
|Packing||Make sure there is not any leakage||Monthly|
|Conveyor chain motor and transmission||Lubricate the surface with KLUBERSYNTH GH6-32||Weekly|
|Spray nozzles||Check and replace||As necessary|
|Chain dog||Check condition and position||Weekly|
|Roller track||Check rollers and replace as necessary||Yearly|
|Door gasket||Replace in case of any small tear or wear||As necessary|
|Recycle Pump||Change the seal if it leaks||As necessary|
|Emergency stops||Check operation||Yearly|
|Safety valves||Check the safety valves||Yearly|
|Retort||Hydraulic test||Every 3 years or as required by law (*)|
(*) Typical regulations require hydraulic tests of the vessel every 3-5 years. Before testing the vessel, remove all components that may not resist the test pressure.
Retort cleaning recommendations
|Door gasket cleaning and lubrication||Daily|
|Pump suction screen||Daily|
|Water level controller||Monthly|
|Spray nozzles||Every six months|
Silicon oil is recommended to clean door gaskets for easy door lock opening and closing.
Cleaning detergents must be low acid (pH>6).
In case you would like a detailed assesment and assistance on your retorts maintencance please contact us.
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