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CAUTION
System Under Pressure
Never disconnect hoses from freezer or pump without
first opening spigot to relieve pressure.
NOTE
If the mix lines or air line is difficult to remove, soften
with a rag soaked in hot water. Hose connections
may be sprayed with Haynes Sanitary Lubricant for
ease of removal. Do not loosen or remove the mix
pump cover wingnuts. Maintain the mix pump hose
in its operational condition.
1. Loosen clamp and remove air hose from pump
compressor.
2. Loosen clamp and disconnect mix pump hose.
Remove the pickup hose, mix check valve and pickup
hose adapter (and bag adapter if applicable) as an
assembly from mix container.
3. Completely disassemble both hose assemblies and
check valve. Place hoses, tee, check valve assem-
bly, and pickup hose adapter in mild detergent water
and wash thoroughly. Use soft bristle brushes to
clean inside of fittings. Rinse all parts in clean 120ºF
water.
4. Carefully inspect each part for wear or damage.
Replace worn or damaged parts.
5. Prepare two gallons (7.5 liters) of sanitizing solution
using a USDA certified grade sanitizing solution.
Sanitize all removed parts, then air dry.
6. Check Hose Service Record decal to determine if
hose reposition or replacement is required at this time
(Sec. 4.2).
7. Reassemble both hose assemblies per the diagram
(Fig.6). Reconnect assemblies to the pump and
discharge hose per the diagram, using the clamps.
CAUTION
Risk of Product Damage
Do not use excessive force when assembling parts.
Parts fit together easily when properly installed.
3.6 SANITIZING AND STARTUP
For sanitizing to be effective, it must be performed after the
mix pump and freezer parts have been cleaned, and just
prior to filling the freezer with mix. Sanitizing the night
before is not effective.
To sanitize, refer to local sanitary regulations for applicable
codes and recommended disinfecting products and proce-
dures. The frequency of cleaning must comply with local
health regulations. Use a solution containing 100 PPM of
free available chlorine. Use "Stera-Sheen Green Label
Sanitizer and Cleaner," or others in accordance with
Health Inspection Requirements.
Stoelting, LLC has found that STERA-SHEEN
GREEN LABEL SANITIZER AND CLEANER does
an effective job of properly sanitizing and cleaning a
pump and soft serve freezer. We therefore include
a sample with each new freezer. For further infor-
mation read the directions on the packet. Other
products may be as effective.
CAUTION
Risk of Product Damage
Avoid prolonged contact of sanitizer with freezer. Pro-
longed contact may cause corrosion of stainless steel
parts and void factory warranty.
In general, sanitizing may be conducted as follows:
1. Prepare two gallons (7.5 liters) of sanitizing solution
following manufacturer's instruction, and place pump
suction (inlet) line into solution.
2. Place mix pump switch in ON position.
3. Check for leaks when freezer barrel is first pressur-
ized with sanitizing solution.
4. Place freezer CLEAN-OFF-ON switch in CLEAN
mode (no refrigeration).
5. After five minutes in CLEAN mode, open spigot and
pump the remaining sanitizing solution thru the
freezer, close spigot and switch the freezer and
pump to OFF.
6. Place pickup tube into mix bag or container of mix
and start the pump.
7. Open spigot, allowing incoming mix to push remain-
ing sanitizer out of hoses and freezing cylinder.
Close spigot as soon as pure mix begins to come
out (after about one pint).
8. Push in the air bleed valve located on the front door
(Challenger Series) and allow the mix to come within
1/2" of the air bleed valve, then close the valve.
9. Place freezer in the on or freezing position.
9
NOTE
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