Emission Light Replacement; Flow Switch Assembly Replacement; Figure 2-5: Flow Switch Assembly (177594) - NORTHROP GRUMMAN Iklwa II TEM00 Service Manual

Emission Light Replacement

Flow Switch Assembly Replacement

© 2019 Cutting Edge Optronics
WARNING
. Do not operate the laser without a functional desiccant cartridge.
Condensation on the diode arrays or other optics can seriously damage the laser and
may void warranty.
1. Break the epoxy bond on the connector of the emission light circuit card and
disconnect the connector.
2. Remove the (4) 6-32 screws and locking hardware that secure the emission
light circuit card to the standoffs inside the laser housing.
3. Attach the new emission light circuit card to the laser housing using the (4) 6-
32 screws and locking hardware and torque to 14 in-lbs.
1. Cut wire bundle zip ties as needed and disconnect the electrical quick
disconnect.
2. Note the coolant flow direction as indicated on the flow switch housing. The
flow switch is on the return side of the coolant loop. The arrow should point
towards the Coolant Out quick disconnect on the back of the laser housing.
3. Loosen the SwageLok fittings highlighted in Figure 2-5. Remove HR mirror
if needed.
SwageLok Fittings

Figure 2-5: Flow Switch Assembly (177594)

4. Remove the flow switch assembly. Remove any debris from the laser housing.
5. Once out of the laser, remove the SwageLok elbows from the flow switch.
Place the elbows on the replacement flow switch. Do not tighten.
Chapter 3: Tuning and Testing Procedures
16 Patara II and Iklwa II Service Manual