Teledyne T200 User Manual page 122

Important
1. Locate the scrubber on the outside rear panel; Figure 5-9 shows the exploded
assembly.
2. Remove the old scrubber by disconnecting the 1/4" plastic tubing from the DFU
particle filter using 9/16" and 1/2" wrenches.
3. Remove the DFU particle filter from the cartridge using 9/16" wrenches.
4. Unscrew the top of the scrubber canister and discard the Purafil
contents.
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5. It is not necessary to remove the insert from the barrel, but if removed, perform
the following procedure:
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•
6. It is not necessary to remove the nylon tube fitting from the insert, but if
removed, apply Teflon tape (Teledyne API P/N HW36) to the threads of the
nylon tube fitting before installing on the insert.
7. Refill the scrubber with charcoal at the bottom and the Purafil© chemical at the
top.
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8. Replace the screw-top cap and tighten the cap; hand-tighten only.
9. If necessary, replace the filter (DFU, Figure 5-9) with a new unit and discard the
old. (The bottom retainer pad should catch most of the dust; the filter should not
be visibly dirty on the inside).
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10. Replace the scrubber assembly into its clips on the rear panel.
11. Reconnect the plastic tubing to the fitting of the DFU particle filter.
12. Adjust the scrubber cartridge such that it does not protrude above or below the
analyzer in case the instrument is mounted in a rack.
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120 Teledyne API T200 NO/NO
IMPACT ON READINGS OR DATA
This procedure can be carried out while the instrument is
running, however ensure that the analyzer is not in ZERO
calibration mode.
Ensure to abide by local laws about discarding these chemicals.
The rebuild kit comes with a Material and Safety Data Sheet, which contains
more information on these chemicals.
Coat the threads of the insert with epoxy (Teledyne API P/N CH32).
Hand tighten the insert to the barrel.
Use three, white retainer pads to separate the chemicals as shown in Figure
5-9.
Disconnect the tube and fitting from one end and remove the filter from the
scrubber canister.
Insert a new filter, ensuring that the small arrow embedded on the filter points
in flow direction, i.e., to analyzer.
If necessary, squeeze the clips for a tighter grip on the cartridge.
/NO Analyzer with NumaView™ Software
2 x
and charcoal
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083730200A DCN7962