Maintenance and Service
33
Table 5-1 Recommended Maintenance Schedule
Maintenance Procedure
Recommended
Frequency
Instructions
Clean the Dispensing Cartridge.
Daily
See “
Cleaning the Pump
” in this section.
Prime the fluid pump.
Daily
See “
Priming the Pump
” in the
Operation
section.
Inspect for fluid leakage and other
abnormalities.
Daily See
the
Troubleshooting
section.
Cleaning the Pump
"
NOTE
The cleaning procedures assume that a syringe is presently connected to the pump.
WARNING!
Refer to the Material Safety Data Sheet (MSDS) for important information about
safety, handling, and disposal for all fluids and solvents. All fluids, solvents, and
contaminated materials must be disposed of according to local regulations. Wear
personal protective equipment (PPE) when performing this procedure to prevent
contact with caustic chemicals.
DV-7000
Tools and Materials Needed:
•
Cotton
Swabs
•
Appropriate Personal Protective Equipment
•
1/4-inch
Wrench
•
Seal Insertion Tool Set (P/N 197004)
•
Cleaning Kit (P/N VK-7000K)
•
Cleaning Solution (MSDS recommended)
•
Cartridge Fitting (P/N 42-0228)
•
Feed Tube (P/N 42-0014)
•
Syringe Fitting (P/N 42-0229)
To clean a DV-7000 Cartridge (see Figure 5-1):
1. Use the position controls to move the dispensing head to the front center of the dispensing area.
2. Perform a service shutdown as specified in the applicable dispensing system manual.
3. Open the dispensing system front doors/hatch and locate the pump on the dispensing head.
4. Disconnect the feed tube from the cartridge fitting.
5. Push the blue cartridge release lever back towards the valve bracket.
6. Pull the cartridge out of the pump by gently pulling down on the nozzle.
7. Using a 1/4-inch wrench, remove the cartridge fitting from the cartridge body.
8. Discard the cartridge fitting in accordance with MSDS recommendations.
9. While holding the cartridge body in one hand and the end of the feedscrew in the other, gently
pull the feedscrew out of the cartridge.
!
The thrust collar should remain attached to the feedscrew.