Tests Of Installation; Head Switch Operation - H.C Duke & Son 959R Operator’s Manual With Illustrated Parts List

INSTALLATION AND SERVICE MANUAL 959R
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Tests of Installation

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7 7 7 7 7 .1

Head Switch Operation

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The head switch feature is designed to
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prevent the beater shaft from being
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accidentally activated. The beater motors
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should not operate with the head assem-
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1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 bly removed. It is essential that the
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1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 proper operation of this switch be veri-
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fied on a routine basis. Use the following
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instructions to test for proper operation:
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16
1. Make sure all switches are in the
"OFF" position.
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.
2. Disconnect the main power sup-
plies.
3. Remove the dispense head and
beater shaft assemblies.
4. Connect the main power supplies.
CAUTION
Moving parts. Do not place
hands in the freezing
cylinder. Severe personal
injury could result.
5. Turn the selector switches to
"CLEAN", then the "AUTO" posi-
tion. Look inside the freezing
cylinder toward the rear—the drive
coupling should NOT be turning.
Turn the switch off and disconnect
the main power supplies.
If a beater drive shaft is turning,
turn the switches to the "OFF"
position and disconnect power
supply. DO NOT place the freezer
in service until the problem is fixed.
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