TM 11-6625-2685-23
Section Ill. TROUBLESHOOTING PROCEDURE
3-6. Alignment Set Troubleshooting
Troubleshooting of the alignment set consists of fault isolation of the laser simulator. Perform troubleshooting of the
alignment set as indicated in table 3-1, fault symptoms.
Table 3-1. Laser Simulator Fault Symptom Chart
Corrective Action
Fault Symptom
a. Ensure dimmer is open (CCW).
BATTERY TEST does not light
when indicator is pressed.
b. Perform steps 1 through 4 of table 3-2.
a. Inspect the laser simulator lens. If dirty, clean accord-
ALT will not lock onto the simu-
ing to paragraph 3-10. If damaged notify higher
Iated laser beam.
category maintenance.
b. Perform table 3-2.
Perform steps 1 and 10 through 13 of table 3-2.
Laser simulator works only in HI
or LO mode but not in both
modes.
3-2
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