YZ Systems DynaPak DP-2020N Manual page 17

10. Sampler maintenance
i. Apply a light coat of non-soluble assembly grease on all
o-rings and bushings to prevent damage.
j. Install the body bushing into the bottom of the pump body.
k. Insert all other bushings, springs, and o-rings in their
respective sequence on the plunger shaft.
l. Carefully install the diaphragm housing into the top of the
pump body.
NOTE: apply a light coat of assembly grease on the plunger
shaft prior to installation.
m. Install the pump assembly on the inlet valve assembly.
Tighten firmly by hand.
n. Connect the 1/8" stainless steel tubing to the pump body
and 1/8" plastic tubing to the diaphragm housing.
o. Open the isolation valve.
p. Adjust the strokes adjustment knob to its original setting.
q. Pressure test the pump as previously described for
proper operation.
YZ Systems, Inc. • 3101
DynaPak 2020N 09242003 ATEX Rev.
Pollok Drive • Conroe, Texas
10.2k
11.2 k
10.2j
11.2 j
• USA • 77303 • P: 936.788.5593 • F: 936.788.5720
17