Troubleshooting guide

Lab Exercise: Overview and Diagnostics

Routine Maintenance

Using the CD-ROM, perform the instrument maintenance listed below. If you

have any questions during this part of the laboratory, please contact your

instructor. Please reuse old parts for the purposes of this laboratory unless

otherwise instructed.

Pump Maintenance

• Replacing the Outlet Ball Valve

• Replacing the Purge Valve or Frit

• Removing and Disassembling the Pump Head

• Replacing the Pump Seals

• Reassembling the Pump Head

Autosampler

• Replacing the Needle Assembly

• Replacing the Needle Seat Assembly

• Replacing the Rotor Seal

• Replacing the Metering Seal and Plunger

Diode Array

• Exchanging the Lamp

• Repairing the Standard Flow Cell (View this procedure, but do not perform)