TM-9-1240-400-34-P
TELESCOPE; PANORAMIC: M115, ELBOW: M139, MOUNT: M138 AND M137
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL
OCTOBER 1993
TM-9-1240-400-34-P - Page 84 of 344
TM 9-1240-400-34&P
2-17.
M115 PANORAMIC TELESCOPE FINAL INSPECTION INSTRUCTIONS (CONT).
PARALLELISM OF RETICLE AND IMAGE (CONT)
6
Install dioptometer (9) in telescope holder (10).
Adjust to height of reticle alinement fixture eyepiece (11) and
plumb dioptometer reticle to a plumbline.
7
Sight through dioptometer (9) and turn M115 panoramic telescope reticle using reticle adjusting wrench (figure 8,
appx D) until telescope reticle is aligned with dioptometer reticle.
8
Install and tighten externally threaded ring (8).
Recheck to be sure that reticle is still alined with dioptometer
reticle.
9
Remove telescope housing (5) from reticle alinement fixture (6).
10
Reinstall elbow assembly (4) on telescope
housing (5).
Refer to page 2-19.
2-68
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