Thermo Scientific TVA-1000B Instruction Manual - Geotech ...

Maintenance
Removable, Renewable Parts
WARNING: Parts replacement and maintenance should not be performed in areas
classified as hazardous due to presence of flammable gases or vapors. Opening of the
analyzer is not recommended under any circumstances, due to the intrinsic safety rating
of the analyzer. Violation of this policy could void the warranty of this product.
(Extended Service Plans are available; contact Foxboro Authorized Service for further
information.)
Foxboro suggests that you return the entire instrument to the factory or an authorized service
center once a year for cleaning, testing, and calibration. Opening the TVA-1000B instrument
case could void the warranty.
From time to time, you must remove and renew several components of the TVA-1000B analyzer.
Some components may be replaced as normal maintenance functions performed by
operating personnel. Other components, however, should be replaced only by personnel thoroughly
trained and familiar with the analyzer instrument and its applications.
The components that may be maintained or replaced by operating personnel as part of normal
operation are:
1. Battery – you may charge the battery in or out of the instrument or replace it with
a charged battery.
2. Hydrogen Tank – remove the tank to refill it.
3. PID Cartridge – remove and clean frequently. Replace when needed.
4. FID Cartridge – remove and clean frequently. Replace when needed.
5. Close Area Sampler – replace if probe tip is clogged or damaged.
6. Filter Cups (in the sampler assembly and sidepack assembly) – clean/replace frequently.
7. Optional Water Trap – replace membrane or membrane support if worn or damaged.
8. Optional Charcoal Filter Adapter – replace charcoal frequently.
9. Sample Line Tubing – replace when dirty.
10. Sample Line Fitting – replace if damaged.
11. FID End Cap and Flame Arrestor – remove and clean frequently. Replace when
required.
12. FID Cavity – clean periodically.
13. PID cavity – clean periodically.
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