Sanitizing - Stoelting F431 Service Manual

Figure 3-9 Front Door Assembly
I. Install the spigots through the bottom of the front
door (see Figure 3-9).
J. Assemble the air bleed valve o-ring onto the air
bleed valves. Position the o-ring in groove close
to the wide part. Apply a thin fi lm of sanitary
lubricant to the o-rings.
K. Insert the air bleed valves from the back of the
front door. Install compression springs onto air
bleed valves then screw knobs on fi nger tight.
L. Apply a thin fi lm of sanitary lubricant to the door
seal o-rings, and fi t into the grooves on the rear
of the front door.
M. Place the front door assembly on the mounting
studs and push front door against the machine
carefully.
N. Secure front door assembly by placing the knobs
on the studs and alternately tighten opposite
corners until fi nger tight only. Do not overtighten.
Proper o-ring seal can be observed through the
transparent front door.

3.9 SANITIZING

Sanitizing must be done after the machine is clean and
just before the machine is fi lled with mix. Sanitizing the
night before is not effective. However, you should always
clean the machine and parts after using it.
WARNING
The United States Department of Agriculture and the
Food and Drug Administration require that all cleaning
and sanitizing solutions used with food processing
equipment be certifi ed for this use.
When sanitizing the machine, refer to local sanitary regu-
lations for applicable codes and recommended sanitizing
products and procedures. The frequency of sanitizing
must comply with local health regulations. Mix sanitizer
according to manufacturer's instructions to provide a 100
parts per million strength solution. Mix sanitizer in quanti-
ties of no less than 2 gallons of 90°F to 110°F (32°C to
CAUTION
Risk of Product Damage
Avoid prolonged contact of sanitizer with machine
parts. Prolonged contact of sanitizer with machine
may cause corrosion of stainless steel parts.
43°C) water. Allow sanitizer to contact the surfaces to be
sanitized for 5 minutes. Any sanitizer must be used only
in accordance with the manufacturer's instructions.
A. Prepare 3 gallons of sanitizing solution following
manufacturer's instructions. Pour into clean
container and place container into the cabinet.
B. Place the mix pump switch in the ON position and
open air bleed valve on the front door by pushing
valve in and holding (see Figure 3-10).
C. Let sanitizing solution fi ll the machine barrel to
air bleed valve, then close the valve by pulling
out to lock in place.
Air Bleed Valves
Figure 3-10. Air Bleed Valves
19