Waters Alliance e2695 Operator's Manual page 125

7.5.3.1 Plunger seal replacement
Notice: To avoid damaging the sealing surfaces, use the seal removal tool. Do not use a
sharp tool to remove or install seals.
To replace the plunger seal:
1. Remove the head (see
2. Use the plastic end of the seal removal tool to remove the plunger seal from the head.
Figure 7–3: Plunger and face seal orientation:
Plunger seal
(spring side faces
head)
Head
3. Wet the insertion tool, seal opening, and new plunger seal with 100% alcohol before you
install the seal.
4. Place the new plunger seal on the seal insertion tool with the spring side facing away from
the tool. Insert the tip of the tool into the plunger seal opening in the head (see
"Plunger and face seal orientation:" on page
7.5.3.2 Face seal replacement
Notice: To avoid damaging the sealing surfaces, use the seal removal tool. Do not use a
sharp tool to remove or install seals. Replace face seals after every two or three plunger
seal replacements.
To replace the face seals:
1. Remove the head (see
2. Direct compressed air into the center of the face seal, or use plastic tweezers to remove the
inlet and outlet face seals from the seal openings in the head (see
seal orientation:" on page
3. Wet the new seals and seal openings with 100% alcohol.
4. Place the new face seals in the face seal openings of the head.
5. Use an alcohol-cleaned, flat object, such as a detector window, to firmly press the face
seals into the openings on the pump head.
"Remove the head, seal wash assembly, and plunger" on page
Outlet face
seal
125), and then push firmly to install the seal.
"Remove the head, seal wash assembly, and plunger" on page
125).
February 27, 2018, 715003794 Rev. C
Page 125
123).
Inlet face
seal
J tube
figure
123).
figure "Plunger and face