Remove and clean the internal components of the API source interface.

The following figure shows the API source interface with an expanded view of the internal components.

Figure API source interface
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No.DescriptionNo.Description

1

API source interface

5

Exit lens

2

API source interface cage

6

MP00 RF rods

3

RF lens

7

L0 lens

4

Thumbscrews

Use the L0 lens removal tool to remove the L0 lens. The pins on the tool should be inserted to the receptacles on the L0 lens as shown in the following figure.

NOTE

The L0 lens removal tool is provided in the accessory kit. If the tool is not available, you can use a plastic tweezer.

Figure L0 lens removal tool (left) and L0 lens (right)

Prerequisites

  1. Remove the API Source Interface.

Procedure

  1. Insert the L0 lens removal tool (or plastic tweezer) into the L0 lens receptacles. Then rotate the L0 lens in the counterclockwise direction to remove it.
  2. Loosen and extend the two thumbscrews on the back of the API source interface, then remove the MP00 RF lens.
  3. Continue to loosen the two thumbscrews and use them to carefully pull the RF lens assembly out of the API source interface cage.
  4. Loosen the two thumbscrews even further and use them to pull out the Exit lens from the RF lens.