18
on the right and left sides of the unit for free flow of air. Make
sure the machine is not pulling over 100° F (37° C) air from
other equipment in the area.
The water-cooled condenser is a tube and shell type. The
condenser needs a cool, clean supply of water to properly
cool the machine, inlet and discharge lines must be 3/8” I.D.
minimum.
The condenser and condenser filter require periodic clean-
ing. To clean, refer to the following procedures.
1.
Remove the Phillips head screw from the bottom of
the right side panel, and then slide the panels down
and out.
2.
To remove the condenser filter, grasp the top and
pull off. Visually inspect for dirt. If the filter is dirty,
shake or brush excess dirt off the filter and wash in
warm, soapy water. Once the filter is clean rinse
thoroughly in warm, clear water and shake dry,
taking care not to damage the filter in any way
(Figure 4-5).
3.
Visually inspect the condenser for dirt by shining
a light through the coil from the back (inside) of the
condenser.
4.
If the condenser is dirty, place a wet towel over the
outside of the condenser.
5.
Using compressed air or a CO2 tank, blow out the
dirt from the inside of the condenser. Most of the
dirt will cling to the wet towel.
NOTE
If the condenser is not kept clean, refrigeration effi-
ciency will be lost.
4.10
PREVENTATIVE MAINTENANCE
It is recommended that a preventative maintenance sched-
ule be followed to keep the machine clean and operating
properly. The following steps are suggested as a preventa-
tive maintenance guide.
The United States department of agriculture and the food
and drug administration require that lubricants used in
food zones be certified for this use. Use lubricants only in
accordance with the manufacturer’s instructions.
A.
Daily checks
Check for any unusual noise or condition and repair
immediately.
B.
Monthly checks
Check the condenser filter for dirt. (Refer to
section 4.9).
C.
Quarterly Checks
Check drive belts for wear and tighten belts if
necessary. (Refer to section 4.8)
4.11
EXTENDED STORAGE
Refer to the following steps for storage of the machine over
any long period of shutdown time:
A.
Clean thoroughly with warm detergent all parts
that come in contact with mix. Rinse in clear water
and dry all parts. Do not sanitize.
NOTE
Do not let cleaning solution stand in machine barrel
or mix pump during the shutdown period.
B.
Remove, disassemble, and clean the front door,
and auger shaft. Leave disassembled during the
shutdown period.
C.
Place the auger flights and auger support bushing
in a plastic bag with a moist paper towel. This will
prevent them from becoming brittle if exposed to
dry air over an extended period of time (over 30
days).
D.
For water-cooled machines that are left in unheated
buildings, or buildings subject to freezing, the
water must be shut off and disconnected.
Disconnect the water inlet fitting. The fitting is
located at the rear of the machine. Run the
compressor for 2 - 3 minutes to open water valve
(the front door must be attached for the compressor
to run). Blow out all water through water inlet. Drain
the water supply line coming to the machine.
Disconnect the water outlet fitting.
E.
Place the Main Freezer Power OFF/ON switch in
the OFF position.
F.
Disconnect the machine from the source of
electrical supply.
Figure 4-5 Condenser Filter Removal
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