The spray cone user maintenance is limited to cleaning its external surface. You do not need to remove the spray cone. Additionally, inspect and clean the ion transfer tube O-ring or replace it as needed.

The following figure shows the spray cone with the ion transfer tube O-ring, ion transfer tube, and ion sweep cone removed.

Figure Spray cone, O-ring, ion transfer tube, and ion sweep cone
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No.DescriptionNo.Description

1

Spray cone

3

Ion transfer tube

2

Ion transfer tube O-ring

4

Ion sweep cone

Prerequisites

  1. Wear personal protective equipment (PPE) such as a lab coat, safety glasses, and chemical resistant gloves.
  2. Remove the Ion Sweep Cone
  3. Remove the Ion Transfer Tube

Procedure

  1. Soak a lint-free tissue or chamois-tipped swab in a 50:50 solution of methanol-water, and then clean the exterior surface of the spray cone.
  2. Using a magnification device, inspect the spray cone for residual lint or particulates.
  3. If present, use plastic tweezers or a similar tool to remove them.
  4. Remove and inspect the ion transfer tube O-ring located at the spray cone entrance. Clean it with methanol or replace it if necessary.

  5. IMPORTANT

    Be careful not to drop or damage the O-ring during the removal or installation.