6-12
OPERATING PROCEDURES
Models C709 & C717
Operating Procedures
6
Hopper Cleaning
1. Prepare an approved 100 PPM cleaning solution
(example 2-1/2 gal. [9.5 L] of Kay-5
®
or 2 gal. [7.6 L]
of Stera-Sheen
®
).
Note: Use warm water and follow the
manufacturer’s specifications.
2. Pour the solution into the hopper and allow the
solution to flow into the freezing cylinder.
3. Using the white hopper brush, clean the mix hopper,
mix-level sensing probes, and outside of the agitator
driveshaft housing. Using the double-ended brush,
clean the mix inlet hole.
Note: Do not brush-clean the mix inlet hole while
the machine is in Wash mode.
4. Press the Wash key / . The cleaning solution in
the freezing cylinder will contact all areas of the
freezing cylinder.
5. Place an empty pail beneath the door spout(s).
6. Open the draw valve on the freezer door and draw off
all the solution.
7. Once the cleaning solution stops flowing from the
door spout, close the draw valve and press the Wash
key
/ , canceling the Wash mode.
8. Repeat steps 1 through 7 for the other side of
Model C717.
Disassembly
Note: Failure to remove the parts specified below for
brush-cleaning and lubrication will result in damage to
the machine. These parts must be removed within the
maximum number of days allowed between brush-clean
cycles, or the machine will hard lock and will not operate.
1. Make sure the power switch is in the OFF position.
2. Remove the handscrews, freezer door, beater,
scraper blades, and driveshaft with driveshaft seal
from the freezing cylinder.
3. Remove the scraper blades.
4. Remove the driveshaft seal from the driveshaft.
5. Remove the freezer door gasket, front bearing, pivot
pin, draw handle, and draw valve. Remove the three
O-rings from the draw valve.
6. Remove the front drip tray and splash shield.
7. Remove all drip pans and take them to the sink for
cleaning.
Figure 6-41
Note: If the drip pans are filled with an excessive
amount of mix, the driveshaft seal(s) or O-ring(s)
should be replaced or properly lubricated.
8. Repeat steps 1 through 7 for the other side of
Model C717.
Brush-Cleaning
1. Prepare an approved 100 PPM cleaning solution
(example 2-1/2 gal. [9.5 L] of Kay-5
®
or 2 gal. [7.6 L]
of Stera-Sheen
®
).
Note: Use warm water and follow the
manufacturer’s specifications.
Make sure all brushes provided with the freezer are
available for brush-cleaning.
2. Remove all O-rings.
3. Thoroughly brush-clean all disassembled parts in the
cleaning solution, making sure all lubricant and mix
film is removed. Make sure to brush all surfaces and
holes, especially the draw valve hole in the freezer
door.
4. Rinse all parts with clean, warm water. Place the
parts on a clean, dry surface to air-dry overnight.
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