Moisture Generator Sample/Reference Valve Assy - Ametek 5000 Manual

Moisture Generator Sample/Reference Valve Assy

48 | 5000 Single-Point Moisture Analyzer
3. Remove the wing nut (2) from the oven cover.
4. Tilt the cover up and carefully remove it from the assembly.
5. Loosen the two tubing nuts (4), disconnect the lines, and unplug the
cell board (5).
6. Remove the plugs (6 and 24) from electronics control board sockets J1
and J2, and unplug the control board.
7. Loosen the tubing nuts (8A) and disconnect the tubes from solenoids
SV1 and SV2 and from the lower part of the oven assembly.
8. Disconnect the oven wires from TB1-4 and -5.
9. Remove the oven mounting screws (7) and lift off the oven assembly
(8).
10. Carefully hand bend the two oven lines to match the original installa-
tion as near as possible to preclude interference with the control board
and the oven cover.
11. Position the new oven assembly on the bracket and install the screws.
12. Connect the lines to the solenoids and to the lower part of the oven
assembly. Secure the tubing nuts.
13. Reconnect the oven wires to TB1-4 and -5.
14. Insert the control board in its socket and connect the plugs to J1 and
J2. Secure the screws.
15. Install the cell board and connect and secure the two tubing nuts.
16. Install the oven cover and wing nut.
17. Do a leak test and re-install the lid.
18. Apply power to the system, allow it to warm up, and resume opera-
tion.
1. Shut off system power and sample and reference gas flow at their
sources.
2. Carefully remove the lid and set it aside.
3. Loosen the tubing nuts from the fittings (10).
4. Disconnect the solenoid wires from TB2 (11).
5. Remove the two mounting screws (12) and the valve assembly (9).
6. Position the new assembly on the chassis and install the mounting
screws.
7. Connect the solenoid wires to TB2.
8. Connect and tighten the tubing nuts.
9. Do a leak test and re-install the lid.
10. Apply the power to the system, allow it to warm up, and resume op-
eration.