sop for cleaning of double cone blender



1.Caution :Disconnect the equipment from electrical main supply.

2. Set the position of the blender vertical-butterfly valve facing the floor


1. Dismantling-

a. Remove the safety guard of the blender

b. Remove the circular lid and gasket by unclamping wing nuts.

2.Cleaning external surfaces Clean the body of the blender with dry duster first and then with

moist duster and again wipe with a clean dry duster.

3 Position of the blender

a. Adjust the blender so that the vertical butterfly valve faces the ground.

b. Keep the butterfly valve close and keep an SS container below it.

4 Cleaning of blender:

a. Initially wash the inside surface of the blender with tap water.

b. Drain out the water through butterfly valve.

c. Clean inside surface of the blender with warm water (40 to 50 °C). Clean inside surface

of the blender with 0.1% Teepol solution.

d. Wash inside of the blender with sufficient warm water to remove the traces of Teepol.

e. Finally rinse with 5 micron filtered water.

5. Cleaning of gasket, rectangular lid and butterfly valve lid-Clean the parts with 0.1% Teepol solution.

Wash thoroughly with warm water (40-50 °C) followed by 5 micron filtered water.

6. Confirming effectiveness of cleaning The final 5 micron filtered water rinse of blender is

to be sent to Quality Control department, to confirm the absence of previous product.

7. Drying – Wipe dry, the different parts of blender using a clean lint free duster.

8. Assembling – Fix the cleaned gasket circular lid and butterfly valve and lid to the blender. +


  1. Fix the ‘cleaned” label after checking cleanliness of blender duly signed by Production Officer.

2. Step 6 is a validatory exercise to be conducted once in six months at the time of product changeover.

3. If the cleaned blender is not used within 24 hours after cleaning or if there are any signs of

dust or powder settled on the outside surface then, before opening the lid, the exterior of the

blender should be wiped with wet duster followed by clean lint free duster.


1.Dry clean to blender and lids with clean lint free duster.

n2. Dedust extemal surfaces with clean lint free duster.

CAUTION :Disconnect the equipment from electrical main supply.

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sop for cleaning of double cone blender



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