Performing routine maintenance procedures ensures optimum performance of the MS system.

The following table lists the maintenance procedures and their recommended frequency.

Mass spectrometer maintenance procedures and frequency

MS component

Procedure

Recommended frequency

Reference topic

API source (external)

Flush to clean the sample transfer line, sample tube, and spray insert.

After acquiring samples

Flush the inlet components

Clean the API source housing.

As needed

Maintain the API source housing

Clean the APPI fan filter.

As needed

Refer to the ion source guide

Replace the APPI lamp.

As needed

Replace the H-ESI needle insert.

When the metal needle is obstructed

Replace the APCI fused-silica tubing.

When the tubing is obstructed

API source interface

Clean the ion sweep cone and the spray cone.

Weekly or more often depending on the analytical conditions

Clean the ion sweep cone and the ion transfer tube

Clean the spray cone

Remove and clean the ion transfer tube.

Weekly or when the ion transfer tube bore becomes contaminated or obstructed

Remove the ion transfer tube

Clean the ion sweep cone and the ion transfer tube

Replace the ion transfer tube.

If the bore becomes corroded or blocked

Remove the ion transfer tube

Clean the exit lens or the RF lens.

As needed, depending on analytical conditions

Clean the lenses

Clean the MP00 multipole and L0 lens.

As needed, depending on the analytical conditions

Clean the MP00 multipole

Forepump (each)

Purge (ballast) the oil of volatile solvents and check for leaks.

Weekly

Manufacturer’s manual

Add oil.

As needed, based on the oil level

Change the oil.

Every 12 months of typical use, or when the oil becomes cloudy or discolored

Cooling fans

Clean the air filter.

Every 4 months

Clean the air filter