5-8 DIRECT SUPPORT SYMPTOM INDEX
Troubleshooting
Procedure
(Page)
LAMP ASSEMBLY
Reticle is not illuminated . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . 5-7
AZIMUTH KNOB
Azimuth knob does not function correctly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ... 5-7
ELBOW ASSEMBLY
Lens is fogged or condensation is present . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 5-8
5-9. DIRECT SUPPORT TROUBLESHOOTING
MALFUNCTION
LOCATION
TEST OR INSPECTION
CORRECTIVE ACTION
LAMP ASSEMBLY
RETICLE IS NOT ILLUMINATED.
1.
Observe visually.
a.
or 5-15).
b.
Replace lamp assembly (2) (ref. para
c.
Replace variable resistor (ref. para
AZIMUTH KNOB
2.
AZIMUTH KNOB (4) DOES NOT FUNCTION
CORRECTLY.
Rotate azimuth knob.
Replace azimuth knob (4) (ref. para
5-7