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OBJECTIVE
To lay down a procedure for Maintenance of Raw Material Cold Storage
SCOPE
This SOP is applicable to Raw Material Cold Storage.
RESPONSIBILITY Technical Supervisor / Engineer
ACCOUNTABILITY Sr.Executive / Manager
PROCEDURE
Daily Maintenance Check and ensure the temperature of the cold storage should be with in the limit (2º – 8º C).
Check and ensure no unusual sound from the system.
Ensure no water accumulation in the system.
Check and ensure snap and smooth operation of all controls
Put a Tick mark (Ö) in Daily Check Sheet after completion of each activity. If it is not O.K put a cross (X) in Daily Check Sheet indicating the reason in remarks column.
Immediately inform to the concern superior if it is not O.K (X) and take necessary corrective action as per the advice.
Any such deviations should be maintained in the Machine History Cord along with necessary corrective action and its compliance there of.
Weekly Maintenance
Ensure no gas leakages from the gauge connections, valves and pipe joints with soap solution.
Ensure no ice formation on suction line of compressor.
Clean the system with Cora cloth (Free from dust, grease, oil and foreign material).
Ensure no loose wires in panel.
Ensure all indicating lamps are glowing,
Ensure all the door locking are working.
Put a Tick mark (Ö) in Weekly Check Sheet.
Monthly Maintenance Ensure Functioning of High Pressure (260 psig)/ Low pressure (45 psig) cut outs.
Tighten the all fasteners..
Tighten all the control connections / terminations.
Open the Motor terminal covers and tighten the terminals , replace terminal strips if terminals are broken.
Put a Tick mark (Ö ) in Monthly Check Sheet.
Half Yearly Maintenance Clean the outer surface of the cooling coil with cleaning chemical (shiny side or van clean).
Clean the contractor with CTC / CRC.
Ensure the over load relay function by putting different settings
Tighten all the power terminations.
Put a Tick mark (Ö ) in Half Yearly Check Sheet.
Yearly Maintenance Check the gas in the system , top up if it is less.
Ensure the control panel wiring should be proper.
Ensure panel earthing is good.
Put a Tick mark (Ö) in Yearly Check Sheet.
Forms and Records (Annexures) Not Applicable
Distribution Master copy – Quality Assurance
Controlled copies- Quality Assurance, Production, Quality Control
History
Date Revision Number Reason for Revision
–
00
New SOP
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