Overpressure Relief Valve; Power Entry Module - Fluke Calibration 4322-SYS-NAVAIR Service Manual

Overpressure Relief Valve

Use the following instructions and Figure 5-15 to replace the overpressure relief valve
().
1. Remove the chassis and separate the chassis. See "Chassis" on page 5-11.
2. Put the control panel () on a flat work surface upside down, using support blocks
to keep it raised above the surface.
3. Remove the pressure relief valve () from the manifold ().
Ensure manifold threads are clean and free of debris.
4. Put the new pressure relief valve () on the manifold (). Use PTFE tape on the
NPT threads. The arrow indicates the direction of relief. The arrow should point
away from the manifold.
5. Put the chassis together and put into the case. See "Chassis" on page 5-11.

Power Entry Module

Use the following instructions and Figure 5-16 to replace the power entry module ().
1. Remove the chassis and separate the chassis. See "Chassis" on page 5-11.
2. Put the control panel () on a flat work surface upside down, using support blocks
to keep it raised above the surface.
3. Disconnect the wires to the power entry module ().
4. Depress the metal tabs at the bottom of the power entry module and push it out
through the front panel.
5. Put the new power entry module () in the control panel ().
6. Connect the wires to the power entry module ().
To prevent personal injury and shock hazard, if the ground
terminal was removed from the front panel, make sure the
stack-up of wires are separated with a nut and tooth lock
washer as they were before removal.
7. Put the chassis together and put into the case. See "Chassis" on page 5-11.
Note
Warning
Intensifier Maintenance
Intensifier Part Replacement
5
5-33