Maintenance
Maintenance
Flushing Procedure
Note:
• Flush before fluid can dry in the equipment, at the
end of the day, before storing, and before repairing
equipment.
• Flush at the lowest pressure possible. Check
connectors for leaks and tighten as necessary.
• Flush with an appropriate cleaning solution.
1. Remove the pump from the fluid container.
Operate it to pump out as much fluid as possible.
2. Follow the
Pressure Relief Procedure, page 8
.
3. Place siphon tube in grounded metal pail
containing an appropriate cleaning solution.
4. Set pump air regulator to lowest possible fluid
pressure, and start pump.
5. Run the pump long enough to thoroughly clean
the pump and hoses.
6. Follow the
Pressure Relief Procedure, page 8
.
Cleaning
• Be sure to follow your national and state sanitary
standard codes and local regulations.
• Use appropriate cleaning and disinfecting agents,
at intervals appropriate for product processed.
• Follow cleaning product manufacturer’s
instructions.
Note: The pump must be disassembled to thoroughly
clean it.
1. Remove the pump from the fluid container.
Operate it to pump out as much fluid as possible.
2. Flush the system thoroughly with an
appropriate cleaning solution. See
Flushing Procedure, page 9
.
3. Follow the
Pressure Relief Procedure, page 8
.
4. Remove the air and fluid hoses and fittings from
the pump.
5. Ram-Mounted Pumps: Loosen the hand screw
and lift the upper shield straight up on the rod.
Other Pumps: Remove the upper shield.
6. Clean thoroughly the surface between the upper
and lower shields.
7. Disassemble the fluid pump and accessories.
See
Priming Piston Service, page 11
or
Double Ball Service, page 13
.
8. Wash all pump parts with an appropriate cleaning
solution at the cleaning product manufacturer’s
recommended temperature and concentration.
9. Rinse all pump parts again with water and allow
them to dry.
10. Inspect all pump parts and reclean if needed.
Note
Any damaged rubber parts must
be replaced as they could harbor
microorganisms that can contaminate
the fluid.
11. Immerse all pump parts in an appropriate
sanitizer before assembly. Take the pump parts
out of the sanitizer one-by-one as needed.
12. Lubricate the moving pump parts and o-rings,
packings, and seals with appropriate waterproof
sanitary lubricant.
13. Circulate the sanitizing solution through the pump
and the system prior to use.
14. Ram-Mounted Pumps: Clean all ram surfaces.
Remove and clean the inflatable seal and ram
plate. See Manual 3A0591.
Tighten Threaded Connections
Before each use, check all hoses for wear or damage.
Replace as necessary. Check that all connections
are tight and leak-free.
3A0733P
9
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