Duke DQ 957RMT, Operator’S Manual With Illustrated Parts List

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Twin Twist Soft Serve Freezer Model 957RMT
184957 37
H.C. Duke and Son, Inc. recommends the following schedule to help maintain your Model
957RMT Twin Twist Soft Serve Freezer in like-new operating condition. Take the time to learn
and perform these routine procedures and receive in return many years of valuable service
from your freezer. Protect your investment!
12 Routine Maintenance
AS NEEDED
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.
1. Clean the Mix Transfer System:
Important:
If the transfer hose is assembled
improperly or replacement has been
neglected, it may be necessary to clean
mix from the MTS due to hose failure.
If this happens frequently the MTS
should be removed for complete
cleaning.
— continued
DAILY
1. Disassemble, wash, rinse,
sanitize, and air-dry all parts that come
into contact with the mix or product.
CAUTION
To prevent bacteria growth,
remove all o-rings when
cleaning. Failure to do so
could create a health hazard.
2. Clean the cylinder, cylinder inlet
tubes and drain tube with the appropriate
brushes.
3. When cleaning, inspect all
o-rings, seals and hoses. Replace any
o-ring, seal or hose that is worn, torn, or
loose fitting.
4. Wipe all exterior surfaces of the
freezer to remove any splattered mix.
5. Check overrun and temperature
of the product.