Stoelting U3-02A, Owner'S Service Manual

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10
3.7 CLEANING MIX LINES
The mix lines must be cleaned and sanitized whenever
changing mix or whenever the freezer is off for an extended
period of time - such as overnight, or nonbusiness days.
The mix lines are sufficiently cleaned and sanitized when
cleaning and sanitizing the pump and freezer as an
assembly.
Once every 2 weeks, if required, perform the following
steps:
A. Mix 2 gallons (7.5 liters) of milkstone remove solution
according to the directions on the container and pump
through the mix line.
B. Cut a piece of sponge slightly larger than the inside
diameter of the mix line. Place the sponge inside the
mix line and force through with tap water pressure. A
garden hose repair end clamped to the mix line works
well for this purpose.