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A. Remove either side and back panels.
B. Press firmly on one belt. Figure 31.
Figure 31. Belt Adjustment
C. When the tension is properly adjusted, the outside
of the depressed belt should be approximately in
line with the inside of the other belt.
D. If an adjustment is necessary, loosen the four motor
plate retaining nuts, adjust belt tension then re
tighten the four nuts.
NOTE
Belt life will be increased if new drive belts are tight-
ened after two or three weeks of operation.
4.8 CONDENSER CLEANING (AIR-COOLED
FREEZERS)
The condenser requires periodic cleaning. To clean the
condenser, refer to the following steps:
NOTE
Some freezers have a condenser filter, to clean re-
move and wash in warm soapy water. Rinse in clean
water and shake dry, taking care not to damage
filter in any way.
A. Visually inspect the condenser for dirt.
B. If the condenser is dirty, place a wet towel over the
condenser.
C. Using compressed air or CO2 tank, blow out the dirt
from the back of the condenser. Most of the dirt will
cling to the wet towel.
CAUTION
THIS PROCEDURE EMITS A LOUD NOISE.
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.
4.9 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
NEVER ATTEMPT TO REPAIR OR PERFORM
ANY MAINTENANCE ON FREEZER UNTIL ALL
MAIN ELECTRICAL POWER HAS BEEN DIS-
CONNECTED.
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
1. Check drive belts for wear and tighten belts if
necessary. (Refer to Section 4.7.)
2. Check the condenser for dirt. (Refer to Section
4.8).
WARNING
NEVER ATTEMPT TO REPAIR OR PERFORM
MAINTENANCE ON FREEZER UNTIL ALL MAIN
ELECTRICAL POWER HAS BEEN DISCON-
NECTED.
4.10 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
or mix pump during the shutdown period.
B. Remove, disassemble, 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
extended period of time (over 30 days).