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Maintenance and Service
5 Maintenance and Service
Overview
Maintenance of the DV-7000/DV-8000 Heli-Flow Pumps consists of cleaning and priming after dispensing
operations, or between changes of dispensing fluids. Regular cleaning of the pump is essential to
maintaining maximum dispensing performance. This section covers the following topics:
•
Recordkeeping
•
Cleaning the Pump
•
Calibration and Adjustment
•
Removing the Pump from the Dispensing System
•
Parts Ordering Information
•
Pump Assembly and Disassembly
•
Preventive Maintenance
Safety First
It is essential that you follow all safety warnings and consider all safety warning labels when performing the
following maintenance procedures. Refer to the
Safety
section for specific information.
WARNING!
Before performing any of the maintenance procedures in this section, perform a
service shutdown as described in the applicable dispensing system manual.
WARNING!
Maintenance procedures should be performed by trained personnel only.
Recordkeeping
The type of maintenance performed (such as preventive and parts replacement) should be recorded in
maintenance records for the pump. Dates, part numbers/serial numbers of replaced parts, names of
technicians, and other pertinent data should be recorded.
Calibration and Adjustment
There are no maintenance-related calibration and adjustment requirements for the pump. Before operating
the pump, adjustments are made to dispensing system air pressure and pump motor speed as determined
by your application.
Parts Ordering Information
"
NOTES
Part numbers can be found in the illustrations and tables in the
Parts Replacement
section.
Make sure that the cartridge assembly part numbers match your pump’s configuration
number when ordering spare parts.
Preventive Maintenance
The recommended Preventive Maintenance schedule for DV-7000/DV-8000 pumps is shown in Table 5-1.
The recommended frequencies are based on an average production environment. Your production
operations and environment may differ.