8 Diagnostic Testing and Troubleshooting
254 July 29, 2013, 715003794 Rev. B
Solvent management system troubleshooting
The following table provides troubleshooting suggestions for solvent
management system problems in the separations module.
Solvent management system troubleshooting:
Symptom Possible cause Corrective action
Plunger head leaks
solvent
Worn plunger seals Replace plunger seals (see
“Notes on replacing the
plunger seals” on
page 187).
Worn seal-wash seals Replace seal-wash seals
(see “Replace the
seal-wash assembly seals”
on page 190).
Loose head Hand-tighten head nut.
Loose inlet check valve Tighten the check valve.
Defective face seals Replace face seals.
Seal-wash tubes not
properly installed
Install tubes properly.
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