Ametek 5000 Instrument Manual page 81

3. Determine reason for thermal runaway inside of the field unit. S2 is a 72°C device. Inside tempera-
ture is normally regulated at 40°C.
4. Disconnect the link from TB3-5 and -6.
5. Connect the new link to TB3-5 and -6.
6. Re-install the lid.
7. Apply power to the system, allow it to warm up, and resume operation.
Moisture Generator Reservoir Refilling

NOTE
1. Shut off system power.
2. Carefully remove the lid and set it aside.
3. Remove the thermistor from the top of the moisture generator with a
thermistor straight out.
4. Obtain a syringe (5 or 10 mL) and a
so that it reaches a nominal 0.75 inch straight into the generator.
!
CAUTION
5. Insert the tube straight into the generator a nominal 0.75 inch and withdraw the syringe piston.
• If you draw water into the tube, the generator water level is good.
• If you do not draw water into the tube, continue.
6. Fill the syringe with distilled or deionized water and fill the generator until you can withdraw
water down to the halfway point. Level must be at the halfway point.
7. Install the thermistor and tighten the fitting.
8. Re-install the lid.
9. Apply power to the system, allow it to warm up, and resume operation.
Filter Frit (PN 560503901) Replacement
1. Shut off sample and reference gas flows at their sources.
2. Disconnect the inlet tube.
3. Remove the filter (28) and unscrew the end (30).
4. Tap the filter against a bench to remove the frit (31).
5. Install a new frit. Be sure that the open end of the frit is in the direction of the arrow on the filter.
6. Assemble the filter and install it in the line.
Do this practice as quickly as practicable to keep down time to a minimum and heat-
ers from cooling.
/ -in. plastic tubing to fit the nozzle. Cut the tube to a length
1
16
Take care you do not puncture the permeation tube inside the generator.
/ -in. wrench; pull the
7
16
Troubleshooting and Maintenance 6-15