TM 1-8415-215-12&P
Table 2-2. Operators' Troubleshooting
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. OUTER LENS CANNOT BE RAISED OR LOWERED.
Check to see if visor lockwasher is installed with center cavity down, facing visor housing.
If not, correct it. If still unable to raise or lower, refer to Chapter 3, Maintenance.
2. INNER LENS CANNOT BE RAISED OR LOWERED.
Check to see if attaching screws are properly attached.
If not, refer to Chapter 3, Maintenance.
3. UNABLE TO ADJUST EARCUP COMPRESSION.
Inspect for loose or tight tension cross straps.
If unable to adjust earcup compression, refer to Chapter 3, Maintenance.
4. UNABLE TO ADJUST CHIN STRAP.
Refer to Chapter 3, Maintenance.
5. UNABLE TO ADJUST NAPE STRAP.
Refer to Chapter 3, Maintenance.
6. UNABLE TO KEEP MICROPHONE IN POSITION WHERE PLACED.
Inspect boom assembly for loose screws at mid point and at microphone end of boom.
If unable to tighten, refer to Chapter 3, Maintenance.
7. UNABLE TO HEAR.
Insure cord is plugged into receptacle and ICS box is working. Check left rear side of helmet and insure helmet
connector is secured.
If still unable to hear, refer to Chapter 3, Maintenance.
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