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D. An alternative method is to clean with a condenser
brush and vacuum.
NOTE
If the condenser is not kept clean, loss of refrigera-
tion efficiency will result.
4.5 PREVENTATIVE MAINTENANCE
It is recommended that a preventative maintenance sched-
ule be followed to keep the freezer clean and operating
properly. The following steps are suggested as a preven-
tative maintenance guide.
WARNING
High voltage will shock, burn or cause death. Turn off
and lock out main power disconnect before servicing.
Do not operate machine with cabinet panels re-
moved.
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. Month Checks
WARNING
Moving belts and pulleys can crush and dismember.
Do not operate machine with cabinet panels re-
moved.
1. Check drive belts for wear and tighten belts if
necessary. (Refer to Section 4.3)
2. Check the condenser for dirt. (Refer to Section
4.4)
WARNING
Hazardous Voltage
Disconnect all electric power before servicing. Follow
proper lockout/tagout procedures to ensure the power
cannot be inadvertently energized. Failure to disconnect
power before servicing could result in death or serious
injury.
4.6 EXTENDED STORAGE
Refer to the following steps for winterizing the freezer or for
storing the freezer 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 freezer barrel,
hopper pan, or mix pump during the shutdown pe-
riod.
B. Remove, disassembly, and clean the front door,
auger shaft, and mix pump. Leave disassembled
during the shutdown period.
C. Place plastic auger flights in a plastic bag with a
moist paper towel. This will prevent flights from
becoming brittle if exposed to dry air over an extedned
period of time (over 30 days).
CAUTION
Hearing Protection Required!
This procedure emits a loud noise. Wear proper hearing
protection. Failure to wear proper hearing protection
may result in permanent hearing loss.
D. For water-cooled freezers that are left in unheated
buildings, or buildings subject to freezing, the water
must be shut off and disconnected. Disconnect
fittings at water valve inlet and water outlet lines at
frame. The fittings are located at the rear of the
freezer. Run the compressor for 2 - 3 minutes to open
water valve. Blow out all water, first through water
inlet, then through water outlet lines with air or carbon
dioxide. Also drain water supply line to the freezer.
E. Place the mix pump ON-OFF switch, and the POWER
switch in the OFF position.
F. Disconnect from the source of input of electrical
supply in the building.
4.7 TROUBLESHOOTING
The Troubleshooting Table lists the common problems
that can occur to the freezer.