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1. Defrost freeze cylinders, shut Unit down, disconnect electrical power from Unit, close product shutoff
valves in lines leading from the product blender tanks to the freeze cylinders, then drain product from the
freeze cylinders.
Note: Item numbers in parentheses in this paragraph are in reference to Figure 6 .
2. Remove HEX NUTS (item 7) and FLATWASHERS (item 6) securing FACEPLATE (item 8) to freeze
cylinder, then remove faceplate from cylinder.
3. Carefully remove large O-RING (item 5) from FACEPLATE (item 8).
4. Unscrew RELIEF VALVE (item 9) from FACEPLATE (item 8).
5. Disassemble dispensing valve (see Figure 3) as follows:
A.
Remove two screws and hold-down plates securing spring housing to dispensing valve body, then
remove housing.
B.
Remove torsion spring from dispensing valve.
C.
Remove knob, spring, sleeve, and lever from dispensing valve.
D.
Remove spring fitting from dispensing valve.
E.
Press valve, with caged O-ring, down and out of dispensing valve body.
F.
Carefully remove caged O-ring from valve.
6. Wash all parts in warm water. Remove all traces of syrup and lubricant, especially from faceplate, O-rings,
and dispensing valve. If parts are excessively coated, wipe clean with paper towel to remove syrup and
lubricant, especially from caged O-ring and dispensing valve. Use BRUSH (item 3, Table 2) to clean
faceplates relief valve passages.
7. Submerge all parts in four percent solution of approved sanitizing agent for time recommended by sanitizer
manufacturer.
8. Remove parts from sanitizing solution and place on clean paper towels.
NOTE: Use Dow-Corning DC-111 (P/N 321471000) light grade silicone lubricant.
9. Assemble dispensing valve as follows:
A.
Lubricate caged O-ring. Carefully install caged O-ring on valve from straight end (opposite tapered
end). Lubricate grooves in which O-ring rides to fill in all void areas around O-ring.
B.
Carefully install valve with caged O-ring in dispensing valve body.
C.
Install spring fitting, knob and lever parts, torsion spring, and spring housing assembly by reversing
removal procedure. Do not tighten down hold-down plates securing spring housing at this time.
10. Thoroughly clean RELIEF VALVE (item 9), then screw relief valve into FACEPLATE (item 8).
11. Proceed to Servicing Beater Motor Drive Shaft/Seal Assemblies.
Servicing Freeze Cylinders Drive Shaft/Seal Assemblies.
(see Figure 7)
IMPORTANT: The freeze cylinders drive shaft/seal assemblies must be removed and inspected every
four months. Their shafts and bearings must be inspected and replaced if necessary. All O-Ring seals
must be replaced at this time.
NOTE: Use Dow-Corning DC-111 (P/N 321471000) light grade silicone lubricant.
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Troubleshooting
