6-5
Matec Applied Sciences
56 Hudson St., Northborough, MA 01532 Ph: (508) 393-0155 Fax: (508) 393-5476
www.matec.com
e-mail: [email protected]
6.1.2 Cleaning and Replacing the Plungers
The plungers require careful handling. Although cleaning the plungers is not difficult, it is
important to follow these instructions carefully to avoid damaging the plungers. Assemble all
materials and read the procedure thoroughly before you begin.
This section provides the following plunger maintenance procedures.
•
Accessing the plunger
•
Cleaning the plunger
•
Inspecting the plunger
•
Replacing the plunger
Required materials
•
5/16-inch open-end wrench
•
5/32-inch Allen wrench
•
9/64-inch Allen wrench
•
Snap-ring pliers
•
Plunger insertion tool
•
Fine abrasive, such as toothpaste
Accessing the Plunger
To remove the plunger from the pump head:
1.
Remove the pump head as described in Section 6.1.1, Replacing the Plunger Seals.
2.
Remove the four plunger support screws with the 9/64-inch Allen wrench. Carefully slide
the head support assembly and the indicator rod off the pump and set the head support
assembly on the benchtop (Figure 6-4).
Figure 6-4 Left Head Support Assembly Exposed
3.
Set the Priming Flow Rate parameter to 0.5 mL/min (refer to Section 3.3, Reviewing and
Editing Operating Parameters).
4.
Use the Prime Pump function to turn on the pump (refer to Section 4.2, Priming the
Pumps).
5.
Run the pump until the plunger is fully extended, then turn off the pump.
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com
