8
Figure 5
Mix Pump Operation
ROLLER
COVER/CLAMP
4 WAY TEE
INLET SIDE
Figure 6
Removing Parts
MIX PILLOW
D. Overpressure Relief: Excess pressure is relieved
backwards through the peristaltic mix pump and out
the pickup side of the mix pump hose. This will occur
only if the pressure switch fails to shut off the pump
motor.
3.4 CLEANING
The mix pump must be cleaned when changing mix or
whenever the freezer is shut off for an extended period,
such as overnight or on nonbusiness days. For sanitary
reasons, mix must not be allowed to remain in the
freezer lines or mix pump when the freezer is not in
operation.
NOTE
To clean the freezer, refer to the freezer owner’s manual
for complete cleaning procedures.
1. Place the CLEAN-OFF-ON switch in the clean
position and agitate 5-10 minutes maximum.
2. Remove suction tube from mix container. Draw off
the mix remaining in freezer barrel.
3. Pump 2 gallons (7.5 liters) of cold potable water thru
freezer until water at spigot is free of mix.
4. Pump 2 gallons (7.5 liters) of warm detergent solution
water thru freezer. The use of soft water is recom-
mended, along with dishwashing detergents such as
“Joy,” “Dawn,” or equivalent.
5. Place mix pump switch in OFF position. Open spigot
to relieve remaining pressure.
6. Place the CLEAN-OFF-ON switch in the OFF posi-
tion.
3.5 DISASSEMBLY AND INSPECTION OF
REMOVABLE PARTS
Inspection of removable parts should be made whenever
maintenance is performed or pump requires disassembly.
WARNING
THE MIX PUMP SWITCH MUST BE IN THE OFF
POSITION WHEN SERVICING OR DISASSEM-
BLING PUMP.
CAUTION
NEVER DISCONNECT HOSES FROM FREEZER
OR PUMP WITHOUT FIRST OPENING SPIGOT
TO RELIEVE PRESSURE.
Check
Valve
