YZ Systems, Inc. • 3101 Pollok Drive • Conroe, Texas • USA • 77303 • P: 936.788.5593 • F: 936.788.5720
Page 31
DP-2010RXN ver.07022002
SSSSS
ECTION
ECTION
ECTION
ECTION
ECTION
10:
10:
10:
10:
10: S
S
S
S
S
Y
YY
Y
YSTEM
STEM
STEM
STEM
STEM
M
M
M
M
M
AINTEN
AINTEN
AINTEN
AINTEN
AINTENANCE
ANCE
ANCE
ANCE
ANCE
7. Remove the internal bushings and o-rings
from the pump body by inserting a nonme-
tallic rod (larger than 1/4", smaller than
1/2") into the top of the pump body. Gently
tap to remove all bushings and o-rings out
the bottom of the pump body, figure 25.
8. Clean and inspect all components.
Replace if necessary.
9. Apply a light coat of non-soluble assembly
grease on all o-rings, bushings, and the
plunger shaft to prevent damage.
10. Install the body bushing into the bottom of
the pump body, figure 26.
11. Insert all other bushings, springs, and o-rings
in their respective sequence on the plunger shaft,
figure 26.
12. Carefully install assembly into the top of the
pump body, and screw the actuator assem-
bly onto the pump body. (Tighten firmly by
Hand ONLY)
13. Install the pump assembly on the inlet valve
assembly. (Tighten firmly by Hand ONLY).
14. Connect the 1/8" stainless steel tubing to
the pump body and 1/8" plastic tubing to the
diaphragm housing.
15. Open the isolation valve.
16. Adjust the stroke adjustment knob to its
original setting.
17. Pressure test the pump as previously
described for proper operation.
11.2 j
11.2 k
11.2 g
figure 25
figure 26
IMPOR
IMPOR
IMPOR
IMPOR
IMPORTTTTTANT NO
ANT NO
ANT NO
ANT NO
ANT NOTE:
TE:
TE:
TE:
TE:
Normal service generally requires only the
replacement of the o-rings and seal. A seal
repair kit (part number D3-0002) is available
from YZ.
