Waters 1525M - 5.2 Troubleshooting Noises

Troubleshooting Noises 84
5
5.2 Troubleshooting Noises
Ta b l e 5- 2 is a guide to troubleshooting and correcting noises in the Waters 1525 Pump.
Table 5-2 Correcting Noises
Symptom Possible Cause Corrective Action
Click or loud snap Binding plunger seal If the click does not stop and
cannot be isolated to one
pump head, replace the
plunger seals, one at a time
(see Section 4.3
or
Section 4.5
).
Worn indicator rod spring Replace the spring.
Squeak Plunger seals dry Moisten the plunger with
appropriate eluent through
pump head access holes.
Binding plunger seal Replace the plunger seal
assembly (see Section 4.3
or
Section 4.5
).
Improper plunger seal Install the correct pump
plunger seal (see Section 4.3
or Section 4.5
).
Binding piston indicator rod Replace the indicator rod.