Chapter Five: Maintenance
© 2019 Cutting Edge Optronics, Inc.
37
Iklwa Laser User Manual
Approved for Public Release; NG19-2099 CEO-UMAN-0055E
counter-bore surface where the filter is mounted. Do not overfill. Fill as shown in
Figure
5-4
.
Figure 5-4. 50 Gram Refill and Refill Tool
5 Gram Desiccant Replacement:
Unscrew the old cartridge and screw in a new one.
Tighten with a quarter turn of a wrench to form a good seal. The 5 gram desiccant
cartridge used in the Iklwa laser head is an industry standard part.
Replacement cartridges may be purchased from:
40 Gram
: Northrop Grumman CEO or directly from AGM Container Controls, Inc.
telephone number 800-995-5590.
Desiccant cartridge Northrop Grumman CEO part no. 42-228
Refill part number 643665
Refill tool 980412
No cartridge installation tool is needed. The 40 gram desiccant cartridge is hand
tightened.
5 Gram:
Contact Northrop Grumman for details.
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.
Maintain Chiller
The 5 µm filter and coolant in the chiller should be replaced a minimum of monthly.
Comply with the chiller manufacturer’s recommendation if more frequent. Drain and
refill the chiller per the chiller and coolant manufacturer’s instructions.