Disassembly And Inspection Of Removable Parts - Stoelting SU412 Operator's Manual

3.14 DISASSEMBLY AND INSPECTION OF
REMOVABLE PARTS
Inspection of removable parts should be made whenever
maintenance is performed or when the pump requires
disassembly.
If the mix line or air line is diffi cult to remove, soften
the tubing with a rag soaked in hot water. Hose
connections may be sprayed with Haynes Sanitary
Lubricant for ease of removal.
WARNING
Hazardous Moving Parts
Revolving pump head can grab, mangle, and
cause serious crushing injury. The Main Power Off/
On switch must be placed in the OFF position for
cleaning and power must be disconnected when
disassembling or servicing.
CAUTION
System Under Pressure
Never disconnect hoses from the machine or the
pump without fi rst opening the spigot to relieve
pressure.
A. Loosen the clamp and remove the air hose from
the pump compressor.
B. Loosen the clamp and disconnect the mix pump
hose. Remove the pickup hose, the mix check
valve and the pickup hose adapter (and bag
adapter if applicable) as an assembly from the
mix container.
C. Completely disassemble the hose assembly and
the check valve (Fig. 3-11). Place hoses, tee,
check valve assembly, and pickup hose adapter in
90° to 110°F (32°C to 43°C) mild detergent water
and wash thoroughly. Use soft bristle brushes to
clean inside of fi ttings. Rinse all parts in clean
90° to 110°F (32°C to 43°C) water.
D. Carefully inspect each part for wear or damage.
Replace worn or damaged parts.
E. Wash the feed tube and the air tube in the cabinet
with 90° to 110°F detergent water and brushes
provided. Rinse with clean, 90° to 110°F water.
Owner's Manual #513625
NOTE
F. Prepare two gallons (7.5 liters) of sanitizing
solution using a USDA certifi ed grade sanitizing
solution. Sanitize all removed parts. Allow them
to air dry.
G. Check the Hose Service Record decal to determine
if a hose reposition or a hose replacement is
required.
H. Reassemble both hose assemblies per the
diagram located on the inside of the cab door.
Reconnect the assemblies to the pump hose and
the discharge hose, using the clamps. (Refer to
Section 2.5 Mix Pump).
I. Sanitize assembled machine as per instructions
outlined in Section 3.9.
Figure 3-11 Mix Pump Removable Parts
16 SU412 Model Machines