This SOP describes the cleaning operation of sifter to ensure that the sifter is free from previous batch material.
Operators are responsible for the cleaning of sifter.
4.0 BATCH CLEANING OPERATION
Ensure isolation of the equipment electrically.
a) Remove hood from the top.
b) Remove the material stuck to the sieve top.
c) Clean the surface of top cover ,sifter sieve and the discharge cone with dry sponge.
d) Vacuum clean all the parts of the sifter.
e) Put the top cover.
4.1 MAJOR CLEANING OPERATIONS
i) Repeat all the operations of batch cleaning.
ii) Remove the sieve from the sifter and clean the cone and sieve joint area.
iii) Reassemble the sifter and proceed for operation.
a) Batch cleaning operation should be done after completion of every batch.
b) Major cleaning operation once in a month.
Equipment format should be used for recording the cleaning operations.