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DUKE Model 959R Soft Serve Freezer
12 Troubleshooting Charts
THIS SAFETY ALERT SYMBOL IDENTIFIES IMPORTANT PERSONAL
SAFETY MESSAGES IN THIS MANUAL. WHEN YOU SEE THIS SYMBOL, BE
ALERT TO THE POSSIBILITY OF PERSONAL INJURY. DO NOT ATTEMPT
TO CONTINUE UNTIL THE SAFETY PRECAUTIONS ARE THOROUGHLY
UNDERSTOOD.
CAUTION
All maintenance adjustments must be done by a qualified service
technician.
CAUTION
To avoid electrical shock or contact with moving parts, make sure
all switches are in the "OFF" position and that the main power
supply is disconnected. Some freezers have more than one
disconnect switch.
NOTE:
For water-cooled freezer connected to glycol cooling systems, freezer must be
switched to city water prior to troubleshooting freezer.
IMPORTANT:
Some refrigerants are hazardous to the earth's atmosphere. To
protect our environment, use a refrigerant recovery/recycling unit
whenever removing refrigerant from the system.