Cleaning; Replacing The Filters; Dust Filter - Teledyne GT Series User Manual

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GT SERIES

1 INSTRUMENT, 7 APPLICATIONS

6.2. Cleaning

Caution: Do not use agents containing silicon or solvent to clean the

monitor as these may damage the flammable gas sensor.

Caution: Do not use abrasive materials or strong volatile chemical

solutions as these could damage the impact resistant casing.

The outer, impact resistant casing of the monitor may be cleaned using a non-abrasive moist cloth.

Rub the cloth over the outer casing to remove any dirt. A mild soap solution may be used with a

non-abrasive cloth to remove more stubborn marks.

The monitor is fitted with dust and hydrophobic filters. These protect the monitor from the ingress of

dust and moisture. The filters are located in the probe and must be inspected periodically for

contamination or damage.

WARNING: A LEAK CHECK MUST BE PERFORMED AFTER ANY FILTER

REPLACEMENT.

1. Unscrew the dust filter holder and detach it from the probe adaptor, as illustrated in

Dust Filter Holder / Filter

2. Remove and discard the dust filter.

Caution: Always replace a dirty Dust Filter. Never rotate and reuse as

this can introduce contaminants into the monitor.

3. Insert a new dust filter (Part No. 67163) in the dust filter holder until fully seated.

4. Check the dust filter washer and replace if damaged (Part No. 67189).

5. Reattach the dust filter holder to the adaptor and secure.

Note: Do not overtighten the dust filter holder

6. Switch ON the monitor and check that a 'FLOW FAULT' is displayed when the probe inlet is

blocked (while pump is running).

7. If 'FLOW FAULT' is not displayed, check tightness of all fittings.

Removal.

Figure 65:

67112

Revision 10

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