Fold Mirror / Output Coupler Replacement; Hm Replacement; Figure 2-6: Optical Mount (Mm64), Exploded View - NORTHROP GRUMMAN Iklwa II TEM00 Service Manual

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Fold Mirror / Output Coupler Replacement

HM Replacement

© 2019 Cutting Edge Optronics
6. Install the new flow switch in the same orientation as noted in step 3. Tighten
all SwageLok fittings.
7. Reconnect the electrical connector and secure wires with zip ties. Replace HR
mirror if needed.

Figure 2-6: Optical Mount (MM64), Exploded View

1. Remove the optic assembly from the mount by removing the (3) 4-40 screws,
flat washers, and lock washers.
2. Hold the optic assembly with the retaining ring on the bottom side. Use a
spanner wrench to remove the retaining ring. Carefully remove the o-ring,
metal washer, and optic from the cell.
3. Inspect the new optic and clean as needed. Identify the coated surface, an
arrow on the side of the optic points toward the coated surface.
4. Place the new optic in the cell with the coated surface oriented as shown in
Figure 2-6. Install the o-ring, the metal washer, and the retaining ring. Hold
the optic assembly with the retaining ring on the bottom side. Hand-tighten
the retaining ring using the spanner wrench.
5. Place the optic assembly into the mount and replace the (3) 4-40 screws, flat
washers, and lock washers. Torque to 5.5 in-lbs.
1. Remove the laser optic mount and riser block (MM123-0110 – HM assembly)
from the laser bench by removing the (3) 8-32 x 5/8" screws.
Chapter 3: Tuning and Testing Procedures
17
Patara II and Iklwa II Service Manual

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