TM9-4935.481-141
Table 3-14. TTS Performance Test-Continued
Table 3-14. TTS Performance Test-Continued
STEP
UNIT
PROCEDURE
CORRECTIVE ACTION
STEP
UNIT
PROCEDURE
CORRECTIVE ACTION
849
OAF
Adjust COLLIMATOR RETICLE LIGHT control fully cw.
(52)
850
OAC
View into the eyepiece and adjust eyepiece focus control for a sharp reticle image.
835
TTS
Remove DMM INPUT probe from 1A9.
(58)
836
TTS
POWER switch to OFF.
851
DMM
Observe a reading of -.0392 to -.0797 Vdc.
837
MCP
DMM INPUT switch to SEL A.
(59)
838
PP
DMS switch to OFF.
839
MCP
Disconnect 1W1-P3 from J7.
852
OAF
Adjust COLLIMATOR RETICLE LIGHT control fully ccw.
840
MCP
Connect 1W2-P2 to J7.
853
DMM
Observe a reading of -.0100 to +.0100 Vdc.
841
PP
DMS switch ON. Momentarily actuate TEST START switch.
(57)
TP
UUT Collimator Self Test
854
OAF
Adjust COLLIMATOR RETICLE LIGHT control fully cw.
842
MCP
DMM LO switch to 5.
855
OAF
Adjust SELF TEST LIGHT control fully cw and adjust FOCUS control
OAC
CAUTION
for a sharp red circular image. The entire dot must fall within
Do not actuate DMS-D PPE TEST START switch while TTS POWER switch is ON.
the (center) boresight square.
843
TTS
POWER switch to ON (if testing GO/NO-GO lamps, illuminate, wait 5 seconds, then momentarily
(60)
depress TEST START/STOP pushbutton).
856
OAF
Adjust COLLIMATOR RETICLE LIGHT control fully ccw.
844
MCP
SELECTOR A switch to C15.
857
DMM
Observe a reading of -.0392 to -.0797 Vdc.
Replace card 2A1 check 2A1 pins 1 and 4.
845
TTS
Remove the tetrahedral prism from the case cover and install it on the objective lens of the OAC.
858
OAF
Adjust SELF TEST LIGHT control fully ccw.
846
OAF
Adjust all three light controls fully ccw.
859
DMM
Observe a reading of -0.0100 to +0.0100 Vdc.
847
OAC
Observe the collimator reticle light, self test light and tracker reticle light are OFF.
(57)
848
DMM
Observe a reading of -0. 0100 to +0. 0100
860
Remove and stow the prism.
Vdc.
861
OAF
Adjust TRACKER RETICLE LIGHT control fully cw.
(57)
862
OAF
Observe TRACKER RETICLE LIGHT illuminated.
863
DMM
Observe a reading of -.0392 to -.0797 Vdc.
Replace card 2A1. Check 2A1 pins 3 and 4.
3-242.16
