Frymaster BIH series - Manual (Page 10)

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2.4 Frypot Boil-Out
Before the fryer is first used for cooking product, it should be boiled out to ensure that any residue
from the manufacturing process has been completely eliminated.
Also, after the fryer has been in use for a period of time, a hard film of caramelized vegetable oil will
form on the inside of the frypot. This film should be periodically removed by following the boil-out
procedure.
Refer to Fryers Maintenance Requirement Card (MRC) 14A for the boil-out procedure.