H25-IR PRO External Filter Retrofit
P/N: 3015-9004 Rev 0
7
Step
Description
3
Disconnect the sample inlet tubing from the inlet fitting by pulling gently.
4
Locate the 17” (432 mm) long piece of tubing preinstalled on the new rear plate / external filter. The tubing is
entering near the top of the ear plate, and has no other fitting attached. Thread this toward the front of the
instrument and connect to the sample entry fitting. Needle nose pliers may help with this step. Ensure the
tubing and electrical connections are not damaged.
5
Twist the tubing on the tee next to where the internal filter was connected, so that the tubing stub is pointing
upward. See the photos below.
6
Locate the 7” (178 mm) long piece of tubing with attached elbow fitting, preinstalled on the new rear plate /
external filter. The tubing is entering near the bottom of the ear plate. Thread the tubing and mate the elbow
fitting to the tubing stub from the last step.
7
When finished there should be 1” to 2” (25 mm to 50 mm) of extra tubing to the external filter. Adjust the
tubing route if needed to ensure some slack tubing is present.
8
Confirm all electrical and tubing connections are made.
9
Replace the chassis lid and bezels.
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