37
Model PH90 Operating Procedures
081210
Sanitizing -- Soft Serve Side
Step 1
Preparea pail of approved 100 PP M sanitizing solution
(examples: 2--1/2gal. [ 9.5 liters] of Kay--5Ror2 gal.
[7.6 liters] of Stera--SheenR). USE WARM WATER
AND FOLLOW THE MANUFACTURER’S
SPECIFICATIONS.
Step 2
Pour the sanitizing solution over all parts in the bottom
of the mix hopper and allow it to flow into the freez ing
cylinder.
Note: Youhave just sanitizedthe mix hopper and
parts; therefore, be sure your han dsare cl ean and
sanitized before going on in t hese instructions.
While the solution is flowing into the freezing cylinder,
take particular care to brush clean the mix level
sensing probes, the mix hopper, mix inlet hole, the
outside of the agitator drive shaft housing, t he agitator,
the air/mix pump, pump clip, mix feed tube and cott er
pin.
Step 3
Prepare one more pail of sanitizing solution, per
instructions in Step 1.
Step 4
Install the pump assembly at the rear of t hemi x
hopper. Toposition the pump on the drive hub, align
the drive hole in the piston with the drive crank of the
drive shaft. Secure the pump in place by slipping the
pump clip over the collar of the pump, making sure the
clip fits into the grooves in the collar. (See Figure 57.)
Figure 57
Step 5
Pour the 2 gallons (7.6 liters) of sanitizing solutioninto
the mix hopper.
Step 6
Push one end of the vinyl sanitizing tube onto the air
inlet tube for the pump. Be sure t he free end is
submerged in the sanitizing solution in the hopper.
(See Figure 58.)
Figure 58
Step 7
Brush the exposed sides of the hopper. Wait at least
5 minutes before proceeding with these instructions.
Step 8
Press the WASH keypad. This will cause the sanitizing
solution in the freezing cylinder to be agitated.
Step 9
With a pail beneath the door spout, open the draw
valve and press the PUMP keypad. Open and close
thedrawvalve6times.
Open the draw valve and draw off 2 quarts (1.9 liters)
of sanitizing solution. Remove the vinyl sanitizing tube
from the air/mix pump and draw off the remaining
sanitizing solution.