ELECTRO FREEZE Soft Serve Model 30RMT
32
184955
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10.2 Overrun Adjustment
Figure 10-1 Air Meter
10.3 Rerun
NOTE: Each person who operates the
freezer should know what overrun is
and how to calculate it.
Overrun is regulated by the air meter.
You were supplied with three air meters,
each having a different size orifice. The
smaller the hole and number, the lower
the overrun. The larger the hole and
number, the higher the overrun. Each
half size change of the air meter number
will result in a 3-5% increase in overrun.
Each full size change will change the
overrun 8-10%.
The orifice or hole in this air meter must
be open at all times. It is the only source
of air into the freezing cylinder. Check
this daily!
The mix will be a factor in determining
the amount of overrun you will be able to
achieve. Some mixes will accept more
air than others, thus affecting the size of
air meter you can use. Test to see which
air meter will give you the best overrun
and the best product. Run each air
meter for a few hours until you decide.
You may have a slightly higher overrun
when you first start up the machine. After
the machine has run long enough to
dispense at least one full cylinder of
product you will have the overrun that
the machine will hold the remainder of
the day. Contact your mix supplier for
the recommended amount of overrun for
each product used.
4. Once a week run the mix as low
as possible and discard after closing.
This will break the rerun cycle and
reduce the possibility of high bacteria
and coliform counts.
NOTE
:
Rerun product is unable to
accept the same amount of air as
fresh product. As a result, the quality
will be affected and product may
appear grainy and icy.
For further information contact your local
Electro Freeze distributor or the Service
Department of H. C. Duke & Son, Inc.,
phone (309) 755-4553.
If local health codes permit the use of
rerun make sure to follow these proce-
dures:
1. Store rerun mix in a clean, sani-
tized container with a lid.
2. Store in a cooler with a tempera-
ture below 40
º
F (4.4
º
C).
3. DO NOT prime the machine with
rerun. Always skim off with a sanitized
spatula and discard foam. Then combine
the rerun with fresh mix in a ratio of 50/
50 and add to the mix container during
operation.
